Franky So

Moon, J., Mehta, Y., Gundogdu, K., So, F., & Gu, Q. (2023, July 25). Metal-Halide Perovskite Lasers: Cavity Formation and Emission Characteristics. ADVANCED MATERIALS, Vol. 7. https://doi.org/10.1002/adma.202211284

Dong, Q., Fu, X., Seyitliyev, D., Darabi, K., Mendes, J., Lei, L., … So, F. (2022). Cavity Engineering of Perovskite Distributed Feedback Lasers. ACS Photonics, 9(9), 3124–3133. https://doi.org/10.1021/acsphotonics.2c00917

Yang, C., Atwater, H. A., Baldo, M. A., Baran, D., Barile, C. J., Barr, M. C., … Lunt, R. R. (2022, January 19). Consensus statement: Standardized reporting of power-producing luminescent solar concentrator performance. JOULE, Vol. 6, pp. 8–15. https://doi.org/10.1016/j.joule.2021.12.004

Amoah, S., Fu, X., Yin, S., Dong, Q., Dong, C., & So, F. (2022, February 15). Curved Mirror Arrays for Light Extraction in Top-Emitting Organic Light-Emitting Diodes. ACS APPLIED MATERIALS & INTERFACES, Vol. 2, pp. 9377–9385. https://doi.org/10.1021/acsami.1c21128

Yin, S., Ho, C. H. Y., Ding, S., Fu, X., Zhu, L., Gullett, J., … So, F. (2022). Enhanced Surface Passivation of Lead Sulfide Quantum Dots for Short-Wavelength Photodetectors. CHEMISTRY OF MATERIALS, 34(12), 5433–5442. https://doi.org/10.1021/acs.chemmater.2c00293

Ho, C. H. Y., Pei, Y., Qin, Y., Zhang, C., Peng, Z., Angunawela, I., … So, F. (2022, October 11). Importance of Electric-Field-Independent Mobilities in Thick-Film Organic Solar Cells. ACS APPLIED MATERIALS & INTERFACES, Vol. 10. https://doi.org/10.1021/acsami.2c11265

Jones, A. L., Ho, C. H. Y., Schneider, S. A., Zhang, J., Pei, Y., Wang, J., … Reynolds, J. R. (2022, July 27). Insights into the Local Bulk-Heterojunction Packing Interactions and Donor-Acceptor Energy Level Offsets in Scalable Photovoltaic Polymers. CHEMISTRY OF MATERIALS, Vol. 7. https://doi.org/10.1021/acs.chemmater.2c01121

Biliroglu, M., Findik, G., Mendes, J., Seyitliyev, D., Lei, L., Dong, Q., … Gundogdu, K. (2022). Room-temperature superfluorescence in hybrid perovskites and its origins. NATURE PHOTONICS, 16(4), 324-+. https://doi.org/10.1038/s41566-022-00974-4

Ravishankar, E., Charles, M., Xiong, Y., Henry, R., Swift, J., Rech, J., … Brendan T. O'Connor. (2021). Balancing crop production and energy harvesting in organic solar-powered greenhouses. CELL REPORTS PHYSICAL SCIENCE, 2(3). https://doi.org/10.1016/j.xcrp.2021.100381

Worku, M., Ben-Akacha, A., Sridhar, S., Frick, J. R., Yin, S., He, Q., … Ma, B. (2021, August 8). Band Edge Control of Quasi-2D Metal Halide Perovskites for Blue Light-Emitting Diodes with Enhanced Performance. ADVANCED FUNCTIONAL MATERIALS, Vol. 8. https://doi.org/10.1002/adfm.202103299

Fu, X., Mehta, Y., Chen, Y. A., Lei, L., Zhu, L., Barange, N., … So, F. (2021). Directional Polarized Light Emission from Thin‐Film Light‐Emitting Diodes. Advanced Materials, 33(9), 2006801. https://doi.org/10.1002/adma.202006801

Pile, D. F. P., & So, F. (2021, September). Emitting organically. NATURE PHOTONICS, Vol. 15, pp. 635–636. https://doi.org/10.1038/s41566-021-00869-w

Findik, G., Biliroglu, M., Seyitliyev, D., Mendes, J., Barrette, A., Ardekani, H., … Gundogdu, K. (2021). High-temperature superfluorescence in methyl ammonium lead iodide. Nature Photonics, 15(9), 676–680. https://doi.org/10.1038/s41566-021-00830-x

Ho, C. H. Y., Kothari, J., Fu, X., & So, F. (2021). Interconnecting layers for tandem organic solar cells. MATERIALS TODAY ENERGY, 21. https://doi.org/10.1016/j.mtener.Y021.100707

Fu, X., Yin, S., Chen, Y.-A., Zhu, L., Dong, Q., Chang, C.-H., & So, F. (2021). Light extraction in tandem organic light emitting diodes. APPLIED PHYSICS LETTERS, 119(6). https://doi.org/10.1063/5.0057325

Lei, L., Dong, Q., Gundogdu, K., & So, F. (2021). [Review of Metal Halide Perovskites for Laser Applications]. ADVANCED FUNCTIONAL MATERIALS, 31(16). https://doi.org/10.1002/adfm.202010144

Yi, X., Peng, Z., Xu, B., Seyitliyev, D., Ho, C. H. Y., Danilov, E. O., … So, F. (2020). Critical Role of Polymer Aggregation and Miscibility in Nonfullerene-Based Organic Photovoltaics. ADVANCED ENERGY MATERIALS, 10(8). https://doi.org/10.1002/aenm.201902430

Yu, H., Kim, J., Kim, H., Barange, N., Jiang, X., & So, F. (2020). Direct Acoustic Imaging Using a Piezoelectric Organic Light-Emitting Diode. ACS APPLIED MATERIALS & INTERFACES, 12(32), 36409–36416. https://doi.org/10.1021/acsami.0c05615

Yi, X., Ho, C. H. Y., Gautam, B., Lei, L., Chowdhury, A. H., Bahrami, B., … So, F. (2020). Effects of polymer crystallinity on non-fullerene acceptor based organic solar cell photostability. JOURNAL OF MATERIALS CHEMISTRY C, 8(45), 16092–16099. https://doi.org/10.1039/d0tc03969a

Firdaus, Y., Ho, C. H. Y., Lin, Y., Yengel, E., Le Corre, V. M., Nugraha, M. I., … Anthopoulos, T. D. (2020). Efficient Double- and Triple-Junction Nonfullerene Organic Photovoltaics and Design Guidelines for Optimal Cell Performance. ACS ENERGY LETTERS, 5(12), 3692–3701. https://doi.org/10.1021/acsenergylett.0c02077

Lei, L., Seyitliyev, D., Stuard, S., Mendes, J., Dong, Q., Fu, X., … So, F. (2020). Efficient Energy Funneling in Quasi-2D Perovskites: From Light Emission to Lasing. ADVANCED MATERIALS, 32(16). https://doi.org/10.1002/adma.201906571

Ho, C. H. Y., Kim, T., Xiong, Y., Firdaus, Y., Yi, X., Dong, Q., … So, F. (2020). High-Performance Tandem Organic Solar Cells Using HSolar as the Interconnecting Layer. ADVANCED ENERGY MATERIALS, 10(25). https://doi.org/10.1002/aenm.202000823

Fu, X., Peng, C., Samal, M., Barange, N., Chen, Y.-A., Shin, D.-H., … So, F. (2020). Mode Dispersion in Photonic Crystal Organic Light-Emitting Diodes. ACS APPLIED ELECTRONIC MATERIALS, 2(6), 1759–1767. https://doi.org/10.1021/acsaelm.0c00326

Dong, C., Fu, X., Cao, L., Amoah, S., Gundogdu, K., Li, J., & So, F. (2020). Multi-mode Organic Light-Emitting Diode to Suppress the Viewing Angle Dependence. ACS APPLIED MATERIALS & INTERFACES, 12(28), 31667–31676. https://doi.org/10.1021/acsami.0c05825

Dong, Q., Lei, L., Mendes, J., & So, F. (2020). [Review of Operational stability of perovskite light emitting diodes]. JOURNAL OF PHYSICS-MATERIALS, 3(1). https://doi.org/10.1088/2515-7639/ab60c4

Fu, X., Chen, Y.-A., Shin, D.-H., Mehta, Y., Chen, I.-T., Barange, N., … So, F. (2020). Recovering cavity effects in corrugated organic light emitting diodes. OPTICS EXPRESS, 28(21), 32214–32225. https://doi.org/10.1364/OE.404412

Dong, Q., Mendes, J., Lei, L., Seyitliyev, D., Zhu, L., He, S., … So, F. (2020). Understanding the Role of Ion Migration in the Operation of Perovskite Light-Emitting Diodes by Transient Measurements. ACS APPLIED MATERIALS & INTERFACES, 12(43), 48845–48853. https://doi.org/10.1021/acsami.0c14269

Jones, A. L., Zheng, Z., Riley, P., Pelse, I., Zhang, J., Abdelsamie, M., … Reynolds, J. R. (2019). Acceptor Gradient Polymer Donors for Non-Fullerene Organic Solar Cells. CHEMISTRY OF MATERIALS, 31(23), 9729–9741. https://doi.org/10.1021/acs.chemmater.9b03327

Dong, Q., Ho, C. H. Y., Yu, H., Salehi, A., & So, F. (2019). Defect Passivation by Fullerene Derivative in Perovskite Solar Cells with Aluminum-Doped Zinc Oxide as Electron Transporting Layer. CHEMISTRY OF MATERIALS, 31(17), 6833–6840. https://doi.org/10.1021/acs.chemmater.9b01292

Dong, C., Fu, X., Amoah, S., Rozelle, A., Shin, D.-H., Salehi, A., … So, F. (2019). Eliminate angular color shift in top-emitting OLEDs through cavity design. JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, 27(8), 469–479. https://doi.org/10.1002/jsid.792

Dong, C., Liu, S., Barange, N., Lee, J., Pardue, T., Yi, X., … So, F. (2019). Long-Wavelength Lead Sulfide Quantum Dots Sensing up to 2600 nm for Short-Wavelength Infrared Photodetectors. ACS APPLIED MATERIALS & INTERFACES, 11(47), 44451–44457. https://doi.org/10.1021/acsami.9b16539

Sen, P., Yang, R., Rech, J. J., Feng, Y., Ho, C. H. Y., Huang, J., … Brendan T. O'Connor. (2019). Panchromatic All-Polymer Photodetector with Tunable Polarization Sensitivity. ADVANCED OPTICAL MATERIALS, 7(4). https://doi.org/10.1002/adom.201801346

Cheng, Y., So, F., & Tsang, S.-W. (2019). [Review of Progress in air-processed perovskite solar cells: from crystallization to photovoltaic performance]. MATERIALS HORIZONS, 6(8), 1611–1624. https://doi.org/10.1039/c9mh00325h

Salehi, A., Dong, C., Shin, D.-H., Zhu, L., Papa, C., Thy Bui, A., … So, F. (2019). Realization of high-efficiency fluorescent organic light-emitting diodes with low driving voltage. Nature Communications, 10(1). https://doi.org/10.1038/s41467-019-10260-7

Salehi, A., Fu, X., Shin, D.-H., & So, F. (2019). [Review of Recent Advances in OLED Optical Design]. ADVANCED FUNCTIONAL MATERIALS, 29(15). https://doi.org/10.1002/adfm.201808803

Kim, J.-H., Schaefer, C., Ma, T., Zhao, J., Turner, J., Ghasemi, M., … Ade, H. (2019). The Critical Impact of Material and Process Compatibility on the Active Layer Morphology and Performance of Organic Ternary Solar Cells. ADVANCED ENERGY MATERIALS, 9(2). https://doi.org/10.1002/aenm.201802293

Xu, B., Yi, X., Huang, T., Zheng, Z., Zhang, J., Salehi, A., … Reynolds, J. R. (2018). Donor Conjugated Polymers with Polar Side Chain Groups: The Role of Dielectric Constant and Energetic Disorder on Photovoltaic Performance. Advanced Functional Materials, 28(46), 1803418. https://doi.org/10.1002/adfm.201803418

Hsain, H. A., Sharma, P., Yu, H., Jones, J. L., So, F., & Seidel, J. (2018). Enhanced piezoelectricity of thin film hafnia-zirconia (HZO) by inorganic flexible substrates. Applied Physics Letters, 113(2), 022905. https://doi.org/10.1063/1.5031134

Lo, C. K., Gautam, B. R., Selter, P., Zheng, Z., Oosterhout, S. D., Constantinou, I., … Reynolds, J. R. (2018). Every Atom Counts: Elucidating the Fundamental Impact of Structural Change in Conjugated Polymers for Organic Photovoltaics. CHEMISTRY OF MATERIALS, 30(9), 2995–3009. https://doi.org/10.1021/acs.chemmater.8b00590

Huang, S., Yau, H.-M., Yu, H., Qi, L., So, F., Dai, J.-Y., & Jiang, X. (2018). Flexoelectricity in a metal/ferroelectric/semiconductor heterostructure. AIP ADVANCES, 8(6). https://doi.org/10.1063/1.5031162

Yi, X., Gautam, B., Constantinou, I., Cheng, Y., Peng, Z., Klump, E., … So, F. (2018). Impact of Nonfullerene Molecular Architecture on Charge Generation, Transport, and Morphology in PTB7-Th-Based Organic Solar Cells. Advanced Functional Materials, 28(32), 1802702. https://doi.org/10.1002/adfm.201802702

Gautam, B., Klump, E., Yi, X., Constantinou, I., Shewmon, N., Salehi, A., … So, F. (2018). Increased Exciton Delocalization of Polymer upon Blending with Fullerene. Advanced Materials, 30(30), 1801392. https://doi.org/10.1002/adma.201801392

Lo, C. K., Wang, C.-Y., Oosterhout, S. D., Zheng, Z., Yi, X., Fuentes-Hernandez, C., … Reynolds, J. R. (2018). Langmuir-Blodgett Thin Films of Diketopyrrolopyrrole-Based Amphiphiles. ACS APPLIED MATERIALS & INTERFACES, 10(14), 11995–12004. https://doi.org/10.1021/acsami.7b18239

Salehi, A., Chen, Y., Fu, X., Peng, C., & So, F. (2018). Manipulating Refractive Index in Organic Light-Emitting Diodes. ACS APPLIED MATERIALS & INTERFACES, 10(11), 9595–9601. https://doi.org/10.1021/acsami.7b18514

Xu, B., Pelse, I., Agarkar, S., Ito, S., Zhang, J., Yi, X., … al. (2018). Randomly Distributed Conjugated Polymer Repeat Units for High-Efficiency Photovoltaic Materials with Enhanced Solubility and Processability. ACS APPLIED MATERIALS & INTERFACES, 10(51), 44583–44588. https://doi.org/10.1021/acsami.8b15522

Yu, H., Ho, S., Barange, N., Larrabee, R., & So, F. (2018). Semi-transparent vertical organic light-emitting transistors. Organic Electronics, 55, 126–132. https://doi.org/10.1016/J.ORGEL.2018.01.030

Luo, X., Tran, D. T., Kadlubowski, N. M., Ho, C. H. Y., Riley, P., So, F., & Mei, J. (2018). Side-Chain Sequence Enabled Regioisomeric Acceptors for Conjugated Polymers. MACROMOLECULES, 51(21), 8486–8492. https://doi.org/10.1021/acs.macromol.8b01946

Yu, H., Cheng, Y., Li, M., Tsang, S.-W., & So, F. (2018). Sub-Band Gap Turn-On Near-Infrared-to-Visible Up-Conversion Device Enabled by an Organic?Inorganic Hybrid Perovskite Photovoltaic Absorber. ACS APPLIED MATERIALS & INTERFACES, 10(18), 15920–15925. https://doi.org/10.1021/acsami.8b00592

Yu, H., Cheng, Y., Shin, D., Tsang, S.-W., & So, F. (2018). Vertical Organic-Inorganic Hybrid Perovskite Schottky Junction Transistors. Advanced Electronic Materials, 4(5), 1800039. https://doi.org/10.1002/AELM.201800039

So, F., Huang, J., Yongbo, Y., & Thompson, B. C. (Eds.). (2018). World Scientific handbook of organic optoelectronic devices. Singapore ; Hackensack, NJ: World Scientific Publishing Company.

Cheng, Y., Xu, X., Xie, Y., Li, H.-W., Qing, J., Ma, C., … Tsang, S.-W. (2017). 18% High-Efficiency Air-Processed Perovskite Solar Cells Made in a Humid Atmosphere of 70% RH. Solar RRL, 1(9), 1700097. https://doi.org/10.1002/SOLR.201700097

Cheng, Y. H., Xu, X. W., Xie, Y. M., Li, H. W., Qing, J., Ma, C. Q., … Tsang, S. W. (2017). 18% high-efficiency air-processed perovskite solar cells made in a humid atmosphere of 70% RH. Solar RRL, 1(9). https://doi.org/10.1002/solr.201770131

Bauer, N., Zhang, Q., Zhao, J., Ye, L., Kim, J.-H., Constantinou, I., … You, W. (2017). Comparing non-fullerene acceptors with fullerene in polymer solar cells: a case study with FTAZ and PyCNTAZ. JOURNAL OF MATERIALS CHEMISTRY A, 5(10), 4886–4893. https://doi.org/10.1039/c6ta10450a

Constantinou, I., Yi, X., Shewmon, N. T., Klump, E. D., Peng, C., Garakyaraghi, S., … So, F. (2017). Effect of Polymer-Fullerene Interaction on the Dielectric Properties of the Blend. Advanced Energy Materials, 7(13), 1601947. https://doi.org/10.1002/AENM.201601947

Yu, H., Chung, C.-C., Shewmon, N., Ho, S., Carpenter, J. H., Larrabee, R., … So, F. (2017). Flexible Inorganic Ferroelectric Thin Films for Nonvolatile Memory Devices. Advanced Functional Materials, 27(21), 1700461. https://doi.org/10.1002/ADFM.201700461

Zhang, Q., Yan, L., Jiao, X., Peng, Z., Liu, S., Rech, J. J., … You, W. (2017). Fluorinated Thiophene Units Improve Photovoltaic Device Performance of Donor–Acceptor Copolymers. Chemistry of Materials, 29(14), 5990–6002. https://doi.org/10.1021/ACS.CHEMMATER.7B01683

Salehi, A., Ho, S., Chen, Y., Peng, C., Yersin, H., & So, F. (2017). Highly Efficient Organic Light-Emitting Diode Using A Low Refractive Index Electron Transport Layer. ADVANCED OPTICAL MATERIALS, 5(11). https://doi.org/10.1002/adom.201700197

Bullock, J. D., Salehi, A., Zeman, C. J., Abboud, K. A., So, F., & Schanze, K. S. (2017). In Search of Deeper Blues: Trans-N-Heterocyclic Carbene Platinum Phenylacetylide as a Dopant for Phosphorescent OLEDs. ACS APPLIED MATERIALS & INTERFACES, 9(47), 41111–41114. https://doi.org/10.1021/acsami.7b12107

So, F., & Shi, J. M. (2017). Organic molecular light-emitting materials and devices. Introduction to Organic Electronic and Optoelectronic Materials and Devices, 2nd Edition, 363–385.

Peng, C., Salehi, A., Chen, Y., Danz, M., Liaptsis, G., & So, F. (2017). Probing the Emission Zone Length in Organic Light Emitting Diodes via Photoluminescence and Electroluminescence Degradation Analysis. ACS APPLIED MATERIALS & INTERFACES, 9(47), 41421–41427. https://doi.org/10.1021/acsami.7b13537

Kim, J.-H., Gadisa, A., Schaefer, C., Yao, H., Gautam, B. R., Balar, N., … Ade, H. (2017). Strong polymer molecular weight-dependent material interactions: impact on the formation of the polymer/fullerene bulk heterojunction morphology. Journal of Materials Chemistry A, 5(25), 13176–13188. https://doi.org/10.1039/c7ta03052e

Ho, S., Yu, H., & So, F. (2017). Transparent indium-tin oxide/indium-gallium-zinc oxide Schottky diodes formed by gradient oxygen doping. APPLIED PHYSICS LETTERS, 111(21). https://doi.org/10.1063/1.4993430

Xu, X., Ma, C., Cheng, Y., Xie, Y.-M., Yi, X., Gautam, B., … Tsang, S.-W. (2017). Ultraviolet-ozone surface modification for non-wetting hole transport materials based inverted planar perovskite solar cells with efficiency exceeding 18%. JOURNAL OF POWER SOURCES, 360, 157–165. https://doi.org/10.1016/j.jpowsour.2017.06.013

Ho, C. H. Y., Cheung, S. H., Li, H. W., Chiu, K. L., Cheng, Y. H., Yin, H., … al. (2017). Using Ultralow Dosages of Electron Acceptor to Reveal the Early Stage Donor-Acceptor Electronic Interactions in Bulk Heterojunction Blends. ADVANCED ENERGY MATERIALS, 7(12). https://doi.org/10.1002/aenm.201602360

Klump, E., Constantinou, I., Lai, T.-H., & So, F. (2017). Utilizing Forster resonance energy transfer to extend spectral response of PCDTBT:PCBM solar cells. ORGANIC ELECTRONICS, 42, 87–92. https://doi.org/10.1016/j.orgel.2016.12.010

Gautam, B. R., Younts, R., Li, W. T., Yan, L., Danilov, E., Klump, E., … gundogdu. (2016). Charge photogeneration in organic photovoltaics: Role of hot versus cold charge-transfer excitons. Advanced Energy Materials, 6(1). https://doi.org/10.1002/aenm.201670002

Peng, C., Liu, S., Fu, X., Pan, Z., Chen, Y., So, F., & Schanze, K. S. (2016). Corrugated Organic Light Emitting Diodes Using Low T-g Electron Transporting Materials. ACS APPLIED MATERIALS & INTERFACES, 8(25), 16192–16199. https://doi.org/10.1021/acsami.6b02669

Liu, S., Peng, C., Cruz, A., Chen, Y., & So, F. (2016). Degradation study of organic light-emitting diodes with solution-processed small molecule phosphorescent emitting layers. JOURNAL OF MATERIALS CHEMISTRY C, 4(37), 8696–8703. https://doi.org/10.1039/c6tc02962k

Xiang, C., Fu, X., Wei, W., Liu, R., Zhang, Y., Balema, V., … So, F. (2016). Efficiency Roll-Off in Blue Emitting Phosphorescent Organic Light Emitting Diodes with Carbazole Host Materials. ADVANCED FUNCTIONAL MATERIALS, 26(9), 1463–1469. https://doi.org/10.1002/adfm.201504357

Lai, T. H., Constantinou, I., Grand, C. M., Klump, E. D., Baek, S., Hsu, H. Y., … al. (2016). Evidence of Molecular Structure Dependent Charge Transfer between Isoindigo-Based Polymers and Fullerene. CHEMISTRY OF MATERIALS, 28(7), 2433–2440. https://doi.org/10.1021/acs.chemmater.6b00824

Shewmon, N. T., Yu, H., Constantinou, I., Klump, E., & So, F. (2016). Formation of Perovskite Heterostructures by Ion Exchange. ACS APPLIED MATERIALS & INTERFACES, 8(48), 33273–33279. https://doi.org/10.1021/acsami.6b10034

Yu, H., Kim, D., Lee, J., Baek, S., Lee, J., Singh, R., & So, F. (2016). High-gain infrared-to-visible upconversion light-emitting phototransistors. NATURE PHOTONICS, 10(2), 129-+. https://doi.org/10.1038/nphoton.2015.270

Lee, J. W., Kim, D. Y., Baek, S., Yu, H., & So, F. (2016). Inorganic UV-Visible-SWIR Broadband Photodetector Based on Monodisperse PbS Nanocrystals. SMALL, 12(10), 1328–1333. https://doi.org/10.1002/smll.201503244

Ho, S., Chen, Y., Liu, S., Peng, C., Zhao, D., & So, F. (2016). Interface Effect on Efficiency Loss in Organic Light Emitting Diodes with Solution Processed Emitting Layers. ADVANCED MATERIALS INTERFACES, 3(19). https://doi.org/10.1002/admi.201600320

Liu, S., Ho, S., & So, F. (2016). Novel Patterning Method for Silver Nanowire Electrodes for Thermal-Evaporated Organic Light Emitting Diodes. ACS Applied Materials & Interfaces, 8(14), 9268–9274. https://doi.org/10.1021/ACSAMI.6B00719

Luo, Y., Liu, S., Barange, N., Wang, L., & So, F. (2016). Perovskite Solar Cells on Corrugated Substrates with Enhanced Efficiency. Small, 12(46), 6346–6352. https://doi.org/10.1002/SMLL.201601974

Luo, Y., Liu, S. Y., Barange, N., Wang, L., & So, F. (2016). Perovskite solar cells on corrugated substrates with enhanced efficiency. Small (Weinheim An Der Bergstrasse, Germany), 12(46), 6346–6352. https://doi.org/10.1002/smll.201670241

Constantinou, I., Shewmon, N. T., Lo, C. K., Deininger, J. J., Reynolds, J. R., & So, F. (2016). Photodegradation of Metal Oxide Interlayers in Polymer Solar Cells. ADVANCED MATERIALS INTERFACES, 3(23). https://doi.org/10.1002/admi.201600741

Lee, J. W., Kim, D. Y., Baek, S., Yu, H., & So, F. (2016). Photodetectors: Inorganic UV-Visible-SWIR Broadband Photodetector Based on Monodisperse PbS Nanocrystals (Small 10/2016). Small, 12(10), 1246–1246. https://doi.org/10.1002/SMLL.201670050

Yu, H., Liu, S., Baek, S., Kim, D. Y., Dong, C., & So, F. (2016). Solution-processed copper oxide interlayers for broadband PbS quantum-dot photodiodes. JOURNAL OF MATERIALS CHEMISTRY C, 4(47), 11205–11211. https://doi.org/10.1039/c6tc03531k

Grand, C., Baek, S., Lai, T.-H., Deb, N., Zajaczkowski, W., Stalder, R., … Reynolds, J. R. (2016). Structure-Property Relationships Directing Transport and Charge Separation in Isoindigo Polymers. MACROMOLECULES, 49(11), 4008–4022. https://doi.org/10.1021/acs.macromol.6b00540

Yu, H., Dong, Z., Guo, J., Kim, D., & So, F. (2016). Vertical Organic Field-Effect Transistors for Integrated Optoelectronic Applications. ACS APPLIED MATERIALS & INTERFACES, 8(16), 10430–10435. https://doi.org/10.1021/acsami.6b00182

Volz, D., Chen, Y., Wallesch, M., Liu, R., Fléchon, C., Zink, D. M., … Baumann, T. (2015). Bridging the Efficiency Gap: Fully Bridged Dinuclear Cu(I)-Complexes for Singlet Harvesting in High-Efficiency OLEDs. Advanced Materials, 27(15), 2538–2543. https://doi.org/10.1002/ADMA.201405897

Gautam, B. R., Younts, R., Li, W., Yan, L., Danilov, E., Klump, E., … Gundogdu, K. (2015). Charge Photogeneration in Organic Photovoltaics: Role of Hot versus Cold Charge-Transfer Excitons. Advanced Energy Materials, 6(1), 1301032. https://doi.org/10.1002/AENM.201501032

Youn, W., Lee, J., Xu, M., Singh, R., & So, F. (2015). Corrugated Sapphire Substrates for Organic Light-Emitting Diode Light Extraction. ACS Applied Materials & Interfaces, 7(17), 8974–8978. https://doi.org/10.1021/ACSAMI.5B01533

Constantinou, I., Lai, T.-H., Klump, E. D., Goswami, S., Schanze, K. S., & So, F. (2015). Effect of Polymer Side Chains on Charge Generation and Disorder in PBDTTPD Solar Cells. ACS APPLIED MATERIALS & INTERFACES, 7(48), 26999–27005. https://doi.org/10.1021/acsami.5b09497

Constantinou, I., Lai, T.-H., Hsu, H.-Y., Cheung, S.-H., Klump, E. D., Schanze, K. S., … So, F. (2015). Effect of Thermal Annealing on Charge Transfer States and Charge Trapping in PCDTBT:PC70BM Solar Cells. Advanced Electronic Materials, 1(9), 1500167. https://doi.org/10.1002/AELM.201500167

Constantinou, I., Lai, T.-H., Zhao, D., Klump, E. D., Deininger, J. J., Lo, C. K., … So, F. (2015). High Efficiency Air-Processed Dithienogermole-Based Polymer Solar Cells. ACS Applied Materials & Interfaces, 7(8), 4826–4832. https://doi.org/10.1021/AM5087566

Xiang, C., Peng, C., Chen, Y., & So, F. (2015). Origin of Sub-Bandgap Electroluminescence in Organic Light-Emitting Diodes. SMALL, 11(40), 5439–5443. https://doi.org/10.1002/smll.201501355

Liu, S., Ho, S., Chen, Y., & So, F. (2015). Passivation of Metal Oxide Surfaces for High-Performance Organic and Hybrid Optoelectronic Devices. Chemistry of Materials, 27(7), 2532–2539. https://doi.org/10.1021/ACS.CHEMMATER.5B00129

Tansu, N., & So, F. (2015). Solid-state lighting: photonics and technologies. Journal of Photonics for Energy, 5.

Kafafi, Z. H., Martin-Palma, R. J., Nogueira, A. F., Deirdre M. O'Carroll, Pietron, J. J., Samuel, I. D. W., … Tsakalakos, L. (2015). [Review of The role of photonics in energy]. JOURNAL OF PHOTONICS FOR ENERGY, 5. https://doi.org/10.1117/1.jpe.5.050997

Lee, J. W., Kim, D. Y., & So, F. (2015). Unraveling the Gain Mechanism in High Performance Solution-Processed PbS Infrared PIN Photodiodes. Advanced Functional Materials, 25(8), 1233–1238. https://doi.org/10.1002/ADFM.201403673

Youn, W., Lee, J., Xu, M., Xiang, C., Singh, R., & So, F. (2014). 5.3: Highly Efficient Phosphorescent OLEDs Fabricated on Corrugated High-Index-Refractive Substrates. SID Symposium Digest of Technical Papers, 45(1), 40–41. https://doi.org/10.1002/J.2168-0159.2014.TB00011.X

Kim, D. Y., Ryu, J., Manders, J., Lee, J., & So, F. (2014). Air-Stable, Solution-Processed Oxide p–n Heterojunction Ultraviolet Photodetector. ACS Applied Materials & Interfaces, 6(3), 1370–1374. https://doi.org/10.1021/AM4050019

Kim, J. H., Yu, H., Liu, R., Kim, D. Y., & So, F. (2014). All Solution-Processed Inorganic/Organic Hybrid Permeable Metal-Base Transistor. Small, 10(18), 3650–3654. https://doi.org/10.1002/SMLL.201303959

Lee, H. K. H., Li, Z., Constantinou, I., So, F., Tsang, S. W., & So, S. K. (2014). Batch-to-Batch Variation of Polymeric Photovoltaic Materials: its Origin and Impacts on Charge Carrier Transport and Device Performances. Advanced Energy Materials, 4(16), 1400768. https://doi.org/10.1002/AENM.201400768

Chen, S., Tsang, S.-W., Lai, T.-H., Reynolds, J. R., & So, F. (2014). Dielectric Effect on the Photovoltage Loss in Organic Photovoltaic Cells. Advanced Materials, 26(35), 6125–6131. https://doi.org/10.1002/ADMA.201401987

Yu, H., Kim, J. H., Chen, W., Kim, D., Guo, J., & So, F. (2014). Effect of Nano-Porosity on High Gain Permeable Metal-Base Transistors. Advanced Functional Materials, 24(38), 6056–6065. https://doi.org/10.1002/ADFM.201400634

Zhao, D., Sexton, M., Park, H.-Y., Baure, G., Nino, J. C., & So, F. (2014). High-Efficiency Solution-Processed Planar Perovskite Solar Cells with a Polymer Hole Transport Layer. Advanced Energy Materials, 5(6), 1401855. https://doi.org/10.1002/AENM.201401855

Zhao, D., Sexton, M., Park, H.-Y., Baure, G., Nino, J. C., & So, F. (2014). High-Efficiency Solution-Processed Planar Perovskite Solar Cells with a Polymer Hole Transport Layer. Advanced Energy Materials, 5(6), 1401855. https://doi.org/10.1002/AENM.201500436

Chen, W., So, F., & Guo, J. (2014). Intrinsic delay of permeable base transistor. Journal of Applied Physics, 116(4), 044505. https://doi.org/10.1063/1.4891231

Manders, J. R., Lai, T.-H., An, Y., Xu, W., Lee, J., Kim, D. Y., … So, F. (2014). Low-Noise Multispectral Photodetectors Made from All Solution-Processed Inorganic Semiconductors. Advanced Functional Materials, 9, n/a-n/a. https://doi.org/10.1002/ADFM.201402094

Kim, D. Y., Lai, T.-H., Lee, J. W., Manders, J. R., & So, F. (2014). Multi-spectral imaging with infrared sensitive organic light emitting diode. Scientific Reports, 4(1). https://doi.org/10.1038/SREP05946

Liu, S., Liu, R., Chen, Y., Ho, S., Kim, J. H., & So, F. (2014). Nickel Oxide Hole Injection/Transport Layers for Efficient Solution-Processed Organic Light-Emitting Diodes. Chemistry of Materials, 26(15), 4528–4534. https://doi.org/10.1021/CM501898Y

Chen, S., Tsang, S.-W., Lai, T.-H., Reynolds, J. R., & So, F. (2014). Organic Photovoltaic Cells: Dielectric Effect on the Photovoltage Loss in Organic Photovoltaic Cells (Adv. Mater. 35/2014). Advanced Materials, 26(35), 6045–6045. https://doi.org/10.1002/ADMA.201470237

Kim, J. H., Chen, Y., Liu, R., & So, F. (2014). Phosphorescent dye-doped hole transporting layer for organic light-emitting diodes. Organic Electronics, 15(10), 2381–2386. https://doi.org/10.1016/J.ORGEL.2014.07.012

Xiang, C., Chopra, N., Wang, J., Brown, C., Ho, S., Mathai, M., & So, F. (2014). Phosphorescent organic light emitting diodes with a cross-linkable hole transporting material. Organic Electronics, 15(7), 1702–1706. https://doi.org/10.1016/J.ORGEL.2014.03.009

Ho, S., Xiang, C., Liu, R., Chopra, N., Mathai, M., & So, F. (2014). Stable solution processed hole injection material for organic light-emitting diodes. Organic Electronics, 15(10), 2513–2517. https://doi.org/10.1016/J.ORGEL.2014.07.022

Xiang, C., Koo, W., So, F., Sasabe, H., & Kido, J. (2013). A systematic study on efficiency enhancements in phosphorescent green, red and blue microcavity organic light emitting devices. Light: Science & Applications, 2(6), e74–e74. https://doi.org/10.1038/LSA.2013.30

Chan, K. K. H., Tsang, S. W., Lee, H. K. H., So, F., & So, S. K. (2013). Charge transport study of semiconducting polymers and their bulk heterojunction blends by capacitance measurements. Journal of Polymer Science Part B: Polymer Physics, 51(8), 649–658. https://doi.org/10.1002/polb.23236

Hartel, M., Chen, S., Swerdlow, B., Hsu, H.-Y., Manders, J., Schanze, K., & So, F. (2013). Defect-Induced Loss Mechanisms in Polymer–Inorganic Planar Heterojunction Solar Cells. ACS Applied Materials & Interfaces, 5(15), 7215–7218. https://doi.org/10.1021/AM4015605

Koo, W. H., Zhe, Y., & So, F. (2013). Direct Fabrication of Organic Light-Emitting Diodes on Buckled Substrates for Light Extraction. Advanced Optical Materials, 1(5), 404–408. https://doi.org/10.1002/ADOM.201300030

Tsang, S.-W., Chen, S., & So, F. (2013). Energy Level Alignment and Sub-Bandgap Charge Generation in Polymer:Fullerene Bulk Heterojunction Solar Cells. Advanced Materials, 25(17), 2434–2439. https://doi.org/10.1002/ADMA.201204495

Tsang, S.-W., Chen, S., & So, F. (2013). Energy Level Alignment and Sub-Bandgap Charge Generation in Polymer:Fullerene Bulk Heterojunction Solar Cells (Adv. Mater. 17/2013). Advanced Materials, 25(17), 2433–2433. https://doi.org/10.1002/ADMA.201370113

Chen, S., Jiang, X., & So, F. (2013). Hole injection polymer effect on degradation of organic light-emitting diodes. Organic Electronics, 14(10), 2518–2522. https://doi.org/10.1016/J.ORGEL.2013.06.023

Casalini, R., Tsang, S. W., Deininger, J. J., Arroyave, F. A., Reynolds, J. R., & So, F. (2013). Investigation of the Role of the Acceptor Molecule in Bulk Heterojunction Photovoltaic Cells Using Impedance Spectroscopy. The Journal of Physical Chemistry C, 117(27), 13798–13804. https://doi.org/10.1021/JP401435S

Small, C. E., Tsang, S.-W., Chen, S., Baek, S., Amb, C. M., Subbiah, J., … So, F. (2013). Loss Mechanisms in Thick-Film Low-Bandgap Polymer Solar Cells. Advanced Energy Materials, 3(7), 909–916. https://doi.org/10.1002/AENM.201201114

Lai, T.-H., Tsang, S.-W., Manders, J. R., Chen, S., & So, F. (2013). Properties of interlayer for organic photovoltaics. Materials Today, 16(11), 424–432. https://doi.org/10.1016/J.MATTOD.2013.10.001

Manders, J. R., Tsang, S.-W., Hartel, M. J., Lai, T.-H., Chen, S., Amb, C. M., … So, F. (2013). Solution-Processed Nickel Oxide Hole Transport Layers in High Efficiency Polymer Photovoltaic Cells. Advanced Functional Materials, 23(23), 2993–3001. https://doi.org/10.1002/adfm.201202269

Amb, C. M., Craig, M. R., Koldemir, U., Subbiah, J., Choudhury, K. R., Gevorgyan, S. A., … Reynolds, J. R. (2012). Aesthetically Pleasing Conjugated Polymer:Fullerene Blends for Blue-Green Solar Cells Via Roll-to-Roll Processing. ACS Applied Materials & Interfaces, 4(3), 1847–1853. https://doi.org/10.1021/am300156p

Stalder, R., Grand, C., Subbiah, J., So, F., & Reynolds, J. R. (2012). An isoindigo and dithieno[3,2-b:2′,3′-d]silole copolymer for polymer solar cells. Polym. Chem., 3(1), 89–92. https://doi.org/10.1039/c1py00402f

Chan, K. K. H., Tsang, S. W., Lee, H. K. H., So, F., & So, S. K. (2012). Charge injection and transport studies of poly(2,7-carbazole) copolymer PCDTBT and their relationship to solar cell performance. Organic Electronics, 13(5), 850–855. https://doi.org/10.1016/j.orgel.2012.01.030

Subbiah, J., Amb, C. M., Reynolds, J. R., & So, F. (2012). Effect of vertical morphology on the performance of silole-containing low-bandgap inverted polymer solar cells. Solar Energy Materials and Solar Cells, 97, 97–101. https://doi.org/10.1016/j.solmat.2011.09.028

Subbiah, J., Amb, C. M., Irfan, I., Gao, Y., Reynolds, J. R., & So, F. (2012). High-Efficiency Inverted Polymer Solar Cells with Double Interlayer. ACS Applied Materials & Interfaces, 4(2), 866–870. https://doi.org/10.1021/am201537p

Graham, K. R., Wieruszewski, P. M., Stalder, R., Hartel, M. J., Mei, J., So, F., & Reynolds, J. R. (2012). Improved Performance of Molecular Bulk-Heterojunction Photovoltaic Cells through Predictable Selection of Solvent Additives. Advanced Functional Materials, 22(22), 4801–4813. https://doi.org/10.1002/adfm.201102456

Irfan, I., Graber, S., So, F., & Gao, Y. (2012). Interplay of cleaning and de-doping in oxygen plasma treated high work function indium tin oxide (ITO). Organic Electronics, 13(10), 2028–2034. https://doi.org/10.1016/j.orgel.2012.05.036

Chen, S., Small, C. E., Amb, C. M., Subbiah, J., Lai, T.-han, Tsang, S.-W., … So, F. (2012). Inverted Polymer Solar Cells with Reduced Interface Recombination. Advanced Energy Materials, 2(11), 1333–1337. https://doi.org/10.1002/aenm.201200184

Koo, W. H., Youn, W., Zhu, P., Li, X.-H., Tansu, N., & So, F. (2012). Light Extraction of Organic Light Emitting Diodes by Defective Hexagonal-Close-Packed Array. Advanced Functional Materials, 22(16), 3454–3459. https://doi.org/10.1002/adfm.201200876

Koo, W. H., Youn, W., Zhu, P., Li, X.-H., Tansu, N., & So, F. (2012). Light Extraction: Light Extraction of Organic Light Emitting Diodes by Defective Hexagonal-Close-Packed Array (Adv. Funct. Mater. 16/2012). Advanced Functional Materials, 22(16), 3453–3453. https://doi.org/10.1002/adfm.201290095

Chen, S., Manders, J. R., Tsang, S.-W., & So, F. (2012). Metal oxides for interface engineering in polymer solar cells. Journal of Materials Chemistry, 22(46), 24202. https://doi.org/10.1039/c2jm33838f

Small, C. E., Tsang, S.-W., Kido, J., So, S. K., & So, F. (2012). Origin of Enhanced Hole Injection in Inverted Organic Devices with Electron Accepting Interlayer. Advanced Functional Materials, 22(15), 3261–3266. https://doi.org/10.1002/adfm.201200185

Koo, W., Yun, W., Zhu, P., Li, X.-H., Tansu, N., & So, F. (2012). P-110: Light extraction of Phosphorescent OLEDs by Defective Hexagonal-Close-Packed Array. SID Symposium Digest of Technical Papers, 43(1), 1474–1476. https://doi.org/10.1002/j.2168-0159.2012.tb06089.x

Chen, S., Small, C. E., Amb, C. M., Subbiah, J., Lai, T.-han, Tsang, S.-W., … So, F. (2012). Solar Cells: Inverted Polymer Solar Cells with Reduced Interface Recombination (Adv. Energy Mater. 11/2012). Advanced Energy Materials, 2(11), 1281–1281. https://doi.org/10.1002/aenm.201290053

Xiang, C., Koo, W., Chen, S., So, F., Liu, X., Kong, X., & Wang, Y. (2012). Solution processed multilayer cadmium-free blue/violet emitting quantum dots light emitting diodes. Applied Physics Letters, 101(5), 053303. https://doi.org/10.1063/1.4738375

Beaujuge, P. M., Tsao, H. N., Hansen, M. R., Amb, C. M., Risko, C., Subbiah, J., … Reynolds, J. R. (2012). Synthetic Principles Directing Charge Transport in Low-Band-Gap Dithienosilole–Benzothiadiazole Copolymers. Journal of the American Chemical Society, 134(21), 8944–8957. https://doi.org/10.1021/ja301898h

Lee, J., Chopra, N., Bera, D., Maslov, S., Eom, S.-H., Zheng, Y., … So, F. (2011). DOWN-CONVERSION WHITE OLEDS: Down-Conversion White Organic Light-Emitting Diodes Using Microcavity Structure (Adv. Energy Mater. 2/2011). Advanced Energy Materials, 1(2), 173–173. https://doi.org/10.1002/aenm.201190010

Amb, C. M., Chen, S., Graham, K. R., Subbiah, J., Small, C. E., So, F., & Reynolds, J. R. (2011). Dithienogermole As a Fused Electron Donor in Bulk Heterojunction Solar Cells. Journal of the American Chemical Society, 133(26), 10062–10065. https://doi.org/10.1021/ja204056m

Lee, J., Chopra, N., Bera, D., Maslov, S., Eom, S.-H., Zheng, Y., … So, F. (2011). Down-Conversion White Organic Light-Emitting Diodes Using Microcavity Structure. Advanced Energy Materials, 1(2), 174–178. https://doi.org/10.1002/aenm.201000014

Small, C. E., Chen, S., Subbiah, J., Amb, C. M., Tsang, S.-W., Lai, T.-H., … So, F. (2011). High-efficiency inverted dithienogermole–thienopyrrolodione-based polymer solar cells. Nature Photonics, 6(2), 115–120. https://doi.org/10.1038/nphoton.2011.317

Kim, D. Y., Choudhury, K. R., Lee, J. W., Song, D. W., Sarasqueta, G., & So, F. (2011). PbSe Nanocrystal-Based Infrared-to-Visible Up-Conversion Device. Nano Letters, 11(5), 2109–2113. https://doi.org/10.1021/nl200704h

Chen, S., Choudhury, K. R., Subbiah, J., Amb, C. M., Reynolds, J. R., & So, F. (2011). Photo-Carrier Recombination in Polymer Solar Cells Based on P3HT and Silole-Based Copolymer. Advanced Energy Materials, 1(5), 963–969. https://doi.org/10.1002/aenm.201100300

Graham, K. R., Mei, J., Stalder, R., Shim, J. W., Cheun, H., Steffy, F., … Reynolds, J. R. (2011). Polydimethylsiloxane as a Macromolecular Additive for Enhanced Performance of Molecular Bulk Heterojunction Organic Solar Cells. ACS Applied Materials & Interfaces, 3(4), 1210–1215. https://doi.org/10.1021/am2000328

McCarthy, M. A., Liu, B., Jayaraman, R., Gilbert, S. M., Kim, D. Y., So, F., & Rinzler, A. G. (2011). Reorientation of the High Mobility Plane in Pentacene-Based Carbon Nanotube Enabled Vertical Field Effect Transistors. ACS Nano, 5(1), 291–298. https://doi.org/10.1021/nn102721v

Choudhury, K. R., Subbiah, J., Chen, S., Beaujuge, P. M., Amb, C. M., Reynolds, J. R., & So, F. (2011). Understanding the performance and loss-mechanisms in donor–acceptor polymer based solar cells: Photocurrent generation, charge separation and carrier transport. Solar Energy Materials and Solar Cells, 95(8), 2502–2510. https://doi.org/10.1016/j.solmat.2011.04.042

Stalder, R., Mei, J., Subbiah, J., Grand, C., Estrada, L. A., So, F., & Reynolds, J. R. (2011). n-Type Conjugated Polyisoindigos. Macromolecules, 44(16), 6303–6310. https://doi.org/10.1021/ma2012706

Subbiah, J., Beaujuge, P. M., Choudhury, K. R., Ellinger, S., Reynolds, J. R., & So, F. (2010). Combined effects of MoO3 interlayer and PC70BM on polymer photovoltaic device performance. Organic Electronics, 11(5), 955–958. https://doi.org/10.1016/j.orgel.2010.02.006

So, F., & Kondakov, D. (2010). Degradation Mechanisms in Small-Molecule and Polymer Organic Light-Emitting Diodes. Advanced Materials, 22(34), 3762–3777. https://doi.org/10.1002/adma.200902624

Sarasqueta, G., Choudhury, K. R., & So, F. (2010). Effect of Solvent Treatment on Solution-Processed Colloidal PbSe Nanocrystal Infrared Photodetectors. Chemistry of Materials, 22(11), 3496–3501. https://doi.org/10.1021/cm1006229

Choudhury, K. R., Song, D. W., & So, F. (2010). Efficient solution-processed hybrid polymer–nanocrystal near infrared light-emitting devices. Organic Electronics, 11(1), 23–28. https://doi.org/10.1016/j.orgel.2009.09.017

Qian, L., Zheng, Y., Choudhury, K. R., Bera, D., So, F., Xue, J., & Holloway, P. H. (2010). Electroluminescence from light-emitting polymer/ZnO nanoparticle heterojunctions at sub-bandgap voltages. Nano Today, 5(5), 384–389. https://doi.org/10.1016/j.nantod.2010.08.010

Irfan, Ding, H., Gao, Y., Small, C., Kim, D. Y., Subbiah, J., & So, F. (2010). Energy level evolution of air and oxygen exposed molybdenum trioxide films. Applied Physics Letters, 96(24), 243307. https://doi.org/10.1063/1.3454779

Irfan, Ding, H., Gao, Y., Kim, D. Y., Subbiah, J., & So, F. (2010). Energy level evolution of molybdenum trioxide interlayer between indium tin oxide and organic semiconductor. Applied Physics Letters, 96(7), 073304. https://doi.org/10.1063/1.3309600

Beaujuge, P. M., Subbiah, J., Choudhury, K. R., Ellinger, S., McCarley, T. D., So, F., & Reynolds, J. R. (2010). Green Dioxythiophene-Benzothiadiazole Donor−Acceptor Copolymers for Photovoltaic Device Applications. Chemistry of Materials, 22(6), 2093–2106. https://doi.org/10.1021/cm903495b

Chopra, N., Swensen, J. S., Polikarpov, E., Cosimbescu, L., So, F., & Padmaperuma, A. B. (2010). High efficiency and low roll-off blue phosphorescent organic light-emitting devices using mixed host architecture. Applied Physics Letters, 97(3), 033304. https://doi.org/10.1063/1.3464969

Subbiah, J., Kim, D. Y., Hartel, M., & So, F. (2010). MoO3/poly(9,9-dioctylfluorene-co-N-[4-(3-methylpropyl)]-diphenylamine) double-interlayer effect on polymer solar cells. Applied Physics Letters, 96(6), 063303. https://doi.org/10.1063/1.3310013

So, F., & Kondakov, D. (2010). OLEDs: Degradation Mechanisms in Small-Molecule and Polymer Organic Light-Emitting Diodes (Adv. Mater. 34/2010). Advanced Materials, 22(34), n/a-n/a. https://doi.org/10.1002/adma.201090111

Kim, D. Y., Song, D. W., Chopra, N., De Somer, P., & So, F. (2010). Organic Infrared Upconversion Device. Advanced Materials, 22(20), 2260–2263. https://doi.org/10.1002/adma.200903312

Sarasqueta, G., Choudhury, K. R., Subbiah, J., & So, F. (2010). Organic and Inorganic Blocking Layers for Solution-Processed Colloidal PbSe Nanocrystal Infrared Photodetectors. Advanced Functional Materials, 21(1), 167–171. https://doi.org/10.1002/adfm.201001328

Harding, M. J., Poplavskyy, D., Choong, V.-E., So, F., & Campbell, A. J. (2010). Variations in Hole Injection due to Fast and Slow Interfacial Traps in Polymer Light-Emitting Diodes with Interlayers. Advanced Functional Materials, 20(1), 119–130. https://doi.org/10.1002/adfm.200900352

Kim, D. Y., So, F., & Gao, Y. (2009). Aluminum phthalocyanine chloride/C60 organic photovoltaic cells with high open-circuit voltages. Solar Energy Materials and Solar Cells, 93(9), 1688–1691. https://doi.org/10.1016/j.solmat.2009.04.003

Polikarpov, E., Swensen, J. S., Chopra, N., So, F., & Padmaperuma, A. B. (2009). An ambipolar phosphine oxide-based host for high power efficiency blue phosphorescent organic light emitting devices. Applied Physics Letters, 94(22), 223304. https://doi.org/10.1063/1.3148642

Eom, S.-H., Zheng, Y., Wrzesniewski, E., Lee, J., Chopra, N., So, F., & Xue, J. (2009). Effect of electron injection and transport materials on efficiency of deep-blue phosphorescent organic light-emitting devices. Organic Electronics, 10(4), 686–691. https://doi.org/10.1016/j.orgel.2009.03.002

Chopra, N., Lee, J., Zheng, Y., Eom, S.-H., Xue, J., & So, F. (2009). Effect of the Charge Balance on High-Efficiency Blue-Phosphorescent Organic Light-Emitting Diodes. ACS Applied Materials & Interfaces, 1(6), 1169–1172. https://doi.org/10.1021/am900228b

Subbiah, J., Beaujuge, P. M., Choudhury, K. R., Ellinger, S., Reynolds, J. R., & So, F. (2009). Efficient Green Solar Cells via a Chemically Polymerizable Donor−Acceptor Heterocyclic Pentamer. ACS Applied Materials & Interfaces, 1(6), 1154–1158. https://doi.org/10.1021/am900116p

Ding, H., Park, K., Gao, Y., Kim, D. Y., & So, F. (2009). Electronic structure and interactions of LiF doped tris (8-hydroxyquinoline) aluminum (Alq). Chemical Physics Letters, 473(1-3), 92–95. https://doi.org/10.1016/j.cplett.2009.03.065

Choudhury, K. R., Lee, J., Chopra, N., Gupta, A., Jiang, X., Amy, F., & So, F. (2009). Highly Efficient Hole Injection Using Polymeric Anode Materials for Small-Molecule Organic Light-Emitting Diodes. Advanced Functional Materials, 19(3), 491–496. https://doi.org/10.1002/adfm.200801368

Kim, D. Y., Sarasqueta, G., & So, F. (2009). SnPc:C60 bulk heterojunction organic photovoltaic cells with MoO3 interlayer. Solar Energy Materials and Solar Cells, 93(8), 1452–1456. https://doi.org/10.1016/j.solmat.2009.03.011

Kim, D. Y., Subbiah, J., Sarasqueta, G., So, F., Ding, H., Irfan, & Gao, Y. (2009). The effect of molybdenum oxide interlayer on organic photovoltaic cells. Applied Physics Letters, 95(9), 093304. https://doi.org/10.1063/1.3220064

Eom, S.-H., Zheng, Y., Wrzesniewski, E., Lee, J., Chopra, N., So, F., & Xue, J. (2009). White phosphorescent organic light-emitting devices with dual triple-doped emissive layers. Applied Physics Letters, 94(15), 153303. https://doi.org/10.1063/1.3120276

Liu, B., McCarthy, M. A., Yoon, Y., Kim, D. Y., Wu, Z., So, F., … Rinzler, A. G. (2008). Carbon-Nanotube-Enabled Vertical Field Effect and Light-Emitting Transistors. Advanced Materials, 20(19), 3605–3609. https://doi.org/10.1002/adma.200800601

Lee, J., Chopra, N., & So, F. (2008). Cavity effects on light extraction in organic light emitting devices. Applied Physics Letters, 92(3), 033303. https://doi.org/10.1063/1.2830820

Harding, M. J., Poplavskyy, D., Choong, V.-E., Campbell, A. J., & So, F. (2008). Effects of solution-processed polymer interlayers on hole injection and device performance of polymer light-emitting diodes. Organic Electronics, 9(2), 183–190. https://doi.org/10.1016/j.orgel.2007.09.003

Lee, J., Chopra, N., Eom, S.-H., Zheng, Y., Xue, J., So, F., & Shi, J. (2008). Effects of triplet energies and transporting properties of carrier transporting materials on blue phosphorescent organic light emitting devices. Applied Physics Letters, 93(12), 123306. https://doi.org/10.1063/1.2978235

Zheng, Y., Eom, S.-H., Chopra, N., Lee, J., So, F., & Xue, J. (2008). Efficient deep-blue phosphorescent organic light-emitting device with improved electron and exciton confinement. Applied Physics Letters, 92(22), 223301. https://doi.org/10.1063/1.2937403

Chopra, N., Lee, J., Zheng, Y., Eom, S.-H., Xue, J., & So, F. (2008). High efficiency blue phosphorescent organic light-emitting device. Applied Physics Letters, 93(14), 143307. https://doi.org/10.1063/1.3000382

Choudhury, K. R., Yoon, J.-hyuk, & So, F. (2008). LiF as an n-Dopant in Tris(8-hydroxyquinoline) Aluminum Thin Films. Advanced Materials, 20(8), 1456–1461. https://doi.org/10.1002/adma.200701657

Eom, S.-H., Zheng, Y., Chopra, N., Lee, J., So, F., & Xue, J. (2008). Low voltage and very high efficiency deep-blue phosphorescent organic light-emitting devices. Applied Physics Letters, 93(13), 133309. https://doi.org/10.1063/1.2996274

Sarasqueta, G., Roy Choudhury, K., Kim, D. Y., & So, F. (2008). Organic/inorganic nanocomposites for high-dielectric-constant materials. Applied Physics Letters, 93(12), 123305. https://doi.org/10.1063/1.2963193

Niemeyer, A. C., Campbell, I. H., So, F., & Crone, B. K. (2007). High quantum efficiency polymer photoconductors using interdigitated electrodes. Applied Physics Letters, 91(10), 103504. https://doi.org/10.1063/1.2779102

So, F., Krummacher, B., Mathai, M. K., Poplavskyy, D., Choulis, S. A., & Choong, V.-E. (2007). Recent progress in solution processable organic light emitting devices. Journal of Applied Physics, 102(9), 091101. https://doi.org/10.1063/1.2804122

Poplavskyy, D., & So, F. (2006). Bipolar carrier transport in a conjugated polymer by complex admittance spectroscopy. Journal of Applied Physics, 99(3), 033707. https://doi.org/10.1063/1.2149495

Krummacher, B. C., Mathai, M. K., Choong, V., Choulis, S. A., So, F., & Winnacker, A. (2006). General method to evaluate substrate surface modification techniques for light extraction enhancement of organic light emitting diodes. Journal of Applied Physics, 100(5), 054702. https://doi.org/10.1063/1.2234550

Choulis, S. A., Mathai, M. K., Choong, V.-E., & So, F. (2006). Highly efficient organic electroluminescent device with modified cathode. Applied Physics Letters, 88(20), 203502. https://doi.org/10.1063/1.2204840

Mathai, M. K., Choong, V.-E., Choulis, S. A., Krummacher, B., & So, F. (2006). Highly efficient solution processed blue organic electrophosphorescence with 14lm∕W luminous efficacy. Applied Physics Letters, 88(24), 243512. https://doi.org/10.1063/1.2212060

Krummacher, B. C., Choong, V.-E., Mathai, M. K., Choulis, S. A., So, F., Jermann, F., … Zachau, M. (2006). Highly efficient white organic light-emitting diode. Applied Physics Letters, 88(11), 113506. https://doi.org/10.1063/1.2186080

Krummacher, B., Mathai, M. K., Choong, V.-E., Choulis, S. A., So, F., & Winnacker, A. (2006). Influence of charge balance and microcavity effects on resultant efficiency of organic-light emitting devices. Organic Electronics, 7(5), 313–318. https://doi.org/10.1016/j.orgel.2006.03.011

Choulis, S. A., Choong, V.-E., Patwardhan, A., Mathai, M. K., & So, F. (2006). Interface Modification to Improve Hole-Injection Properties in Organic Electronic Devices. Advanced Functional Materials, 16(8), 1075–1080. https://doi.org/10.1002/adfm.200500443

Poplavskyy, D., Su, W., & So, F. (2005). Bipolar charge transport, injection, and trapping studies in a model green-emitting polyfluorene copolymer. Journal of Applied Physics, 98(1), 014501. https://doi.org/10.1063/1.1941482

Choulis, S. A., Choong, V.-E., Mathai, M. K., & So, F. (2005). The effect of interfacial layer on the performance of organic light-emitting diodes. Applied Physics Letters, 87(11), 113503. https://doi.org/10.1063/1.2042635