Works (48)

2019 journal article

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.

By: Q. Dong, C. Ho, H. Yu, A. Salehi & F. So

Sources: Web Of Science, ORCID
Added: October 7, 2019

2019 journal article

Eliminate angular color shift in top-emitting OLEDs through cavity design

JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, 27(8), 469–479.

By: C. Dong, X. Fu, S. Amoah, A. Rozelle, D. Shin, A. Salehi, J. Mendes, F. So

Sources: Web Of Science, ORCID
Added: August 26, 2019

2019 journal article

Panchromatic All-Polymer Photodetector with Tunable Polarization Sensitivity

ADVANCED OPTICAL MATERIALS, 7(4).

By: P. Sen, R. Yang, J. Rech, Y. Feng, C. Ho, J. Huang, F. So, R. Kline ...

Sources: Web Of Science, ORCID
Added: March 11, 2019

2019 review

Progress in air-processed perovskite solar cells: from crystallization to photovoltaic performance

MATERIALS HORIZONS.

By: Y. Cheng, F. So & S. Tsang

Sources: Web Of Science, ORCID
Added: October 7, 2019

2019 journal article

Realization of high-efficiency fluorescent organic light-emitting diodes with low driving voltage

NATURE COMMUNICATIONS, 10.

Sources: Web Of Science, ORCID
Added: June 17, 2019

2019 review

Recent Advances in OLED Optical Design

ADVANCED FUNCTIONAL MATERIALS.

By: A. Salehi, X. Fu, D. Shin & F. So

Sources: Web Of Science, ORCID
Added: June 4, 2019

2019 journal article

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).

By: J. Kim, C. Schaefer, T. Ma, J. Zhao, J. Turner, M. Ghasemi, I. Constantinou, F. So ...

Sources: NC State University Libraries, ORCID
Added: February 18, 2019

2018 journal article

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.

By: B. Xu, X. Yi, T. Huang, Z. Zheng, J. Zhang, A. Salehi, V. Coropceanu, C. Ho ...

Sources: NC State University Libraries, ORCID
Added: November 26, 2018

2018 journal article

Every atom counts: Elucidating the fundamental impact of structural change in conjugated polymers for organic photovoltaics

Chemistry of Materials, 39(9), 2995–3009.

By: C. Lo, B. Gautam, P. Selter, Z. Zheng, S. Oosterhout, I. Constantinou, R. Knitsch, R. Wolfe ...

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2018 journal article

Flexoelectricity in a metal/ferroelectric/semiconductor heterostructure

AIP Advances, 8(6).

By: S. Huang, H. Yau, H. Yu, L. Qi, F. So, J. Dai, X. Jiang

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2018 journal article

Impact of Nonfullerene Molecular Architecture on Charge Generation, Transport, and Morphology in PTB7-Th-Based Organic Solar Cells

Advanced Functional Materials, 28(32), 1802702.

By: X. Yi, B. Gautam, I. Constantinou, Y. Cheng, Z. Peng, E. Klump, X. Ba, C. Ho ...

Sources: Crossref, ORCID
Added: December 5, 2019

2018 journal article

Increased Exciton Delocalization of Polymer upon Blending with Fullerene

Advanced Materials, 30(30), 1801392.

By: B. Gautam, E. Klump, X. Yi, I. Constantinou, N. Shewmon, A. Salehi, C. Lo, Z. Zheng ...

Sources: Crossref, ORCID
Added: December 5, 2019

2018 journal article

Manipulating refractive index in organic light-emitting diodes

ACS Applied Materials & Interfaces, 10(11), 9595–9601.

By: A. Salehi, Y. Chen, X. Fu, C. Peng & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2018 journal article

Randomly Distributed Conjugated Polymer Repeat Units for High-Efficiency Photovoltaic Materials with Enhanced Solubility and Processability

ACS APPLIED MATERIALS & INTERFACES, 10(51), 44583–44588.

By: B. Xu, I. Pelse, S. Agarkar, S. Ito, J. Zhang, X. Yi, Y. Chujo, S. Marder ...

Sources: NC State University Libraries, ORCID
Added: January 21, 2019

2018 journal article

Side-Chain Sequence Enabled Regioisomeric Acceptors for Conjugated Polymers

MACROMOLECULES, 51(21), 8486–8492.

By: X. Luo, D. Tran, N. Kadlubowski, C. Ho, P. Riley, F. So, J. Mei

Sources: NC State University Libraries, ORCID
Added: December 10, 2018

2018 journal article

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.

By: H. Yu, Y. Cheng, M. Li, S. Tsang & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2018 journal article

langmuir-blodgett thin films of diketopyrrolopyrrole-based amphiphiles

ACS Applied Materials & Interfaces, 10(14), 11995–12004.

By: C. Lo, C. Wang, S. Oosterhout, Z. Zheng, X. Yi, C. Fuentes-Hernandez, F. So, V. Coropceanu ...

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

18% high-efficiency air-processed perovskite solar cells made in a humid atmosphere of 70% RH

Solar RRL, 1(9).

By: Y. Cheng, X. Xu, Y. Xie, H. Li, J. Qing, C. Ma, C. Lee, F. So, S. Tsang

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

Comparing non-fullerene acceptors with fullerene in polymer solar cells: a case study with FTAZ and PyNCTAZ

Journal of Materials Chemistry A, 5(10), 4886–4893.

By: N. Bauer, Q. Zhang, J. Zhao, L. Ye, J. Kim, I. Constantinou, L. Yan, F. So ...

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

Flexible inorganic ferroelectric thin films for nonvolatile memory devices

Advanced Functional Materials, 27(21).

By: H. Yu, C. Chung, N. Shewmon, S. Ho, J. Carpenter, R. Larrabee, T. Sun, J. Jones ...

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Highly efficient organic light-emitting diode using a low refractive index electron transport layer

Advanced Optical Materials, 5(11).

By: A. Salehi, S. Ho, Y. Chen, C. Peng, H. Yersin & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

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.

By: J. Bullock, A. Salehi, C. Zeman, K. Abboud, F. So & K. Schanze

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

Organic molecular light-emitting materials and devices

Introduction to Organic Electronic and Optoelectronic Materials and Devices, 2nd Edition, 363–385.

By: F. So & J. Shi

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Probing the emission zone length in organic light emitting diodes via photoluminescence and electroluminescence degradation analysis

ACS Applied Materials & Interfaces, 9(47), 41421–41427.

By: C. Peng, A. Salehi, Y. Chen, M. Danz, G. Liaptsis & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

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.

By: J. Kim, A. Gadisa, C. Schaefer, H. Yao, B. Gautam, N. Balar, M. Ghasemi, I. Constantinou ...

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

Transparent indium-tin oxide/indium-gallium-zinc oxide Schottky diodes formed by gradient oxygen doping

Applied Physics Letters, 111(21).

By: S. Ho, H. Yu & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

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.

By: X. Xu, C. Ma, Y. Cheng, Y. Xie, X. Yi, B. Gautam, S. Chen, H. Li ...

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

Using ultralow dosages of electron acceptor to reveal the early stage donor-acceptor electronic interactions in bulk heterojunction blends

Advanced Energy Materials, 7(12).

By: C. Ho, S. Cheung, H. Li, K. Chiu, Y. Cheng, H. Yin, M. Chan, F. So ...

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

Utilizing Forster resonance energy transfer to extend spectral response of PCDTBT:PCBM solar cells

Organic Electronics, 42, 87–92.

By: E. Klump, I. Constantinou, T. Lai & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

effect of polymer-fullerene interaction on the dielectric properties of the blend

Advanced Energy Materials, 7(13).

By: I. Constantinou, X. Yi, N. Shewmon, E. Klump, C. Peng, S. Garakyaraghi, C. Lo, J. Reynolds, F. Castellano, F. So

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

Charge photogeneration in organic photovoltaics: Role of hot versus cold charge-transfer excitons

Advanced Energy Materials, 6(1).

By: B. Gautam, R. Younts, W. Li, L. Yan, E. Danilov, E. Klump, I. Constantinou, F. So ...

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Corrugated organic light emitting diodes using low T-g electron transporting materials

ACS Applied Materials & Interfaces, 8(25), 16192–16199.

By: C. Peng, S. Liu, X. Fu, Z. Pan, Y. Chen, F. So, K. Schanze

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Degradation study of organic light-emitting diodes with solution-processed small molecule phosphorescent emitting layers

Journal of Materials Chemistry C, 4(37), 8696–8703.

By: S. Liu, C. Peng, A. Cruz, Y. Chen & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Efficiency roll-off in blue emitting phosphorescent organic light emitting diodes with carbazole host materials

Advanced Functional Materials, 26(9), 1463–1469.

By: C. Xiang, X. Fu, W. Wei, R. Liu, Y. Zhang, V. Balema, B. Nelson, F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Evidence of molecular structure dependent charge transfer between isoindigo-based polymers and fullerene

Chemistry of Materials, 28(7), 2433–2440.

By: T. Lai, I. Constantinou, C. Grand, E. Klump, S. Baek, H. Hsu, S. Tsang, K. Schanze ...

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Formation of perovskite heterostructures by ion exchange

ACS Applied Materials & Interfaces, 8(48), 33273–33279.

By: N. Shewmon, H. Yu, I. Constantinou, E. Klump & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

High-gain infrared-to-visible upconversion light-emitting phototransistors

Nature Photonics, 10(2), 129-.

By: H. Yu, D. Kim, J. Lee, S. Baek, J. Lee, R. Singh, F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Inorganic UV-visible-SWIR broadband photodetector based on monodisperse PbS nanocrystals

Small (Weinheim An Der Bergstrasse, Germany), 12(10), 1328–1333.

By: J. Lee, D. Kim, S. Baek, H. Yu & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Interface effect on efficiency loss in organic light emitting diodes with solution processed emitting layers

Advanced Materials Interfaces, 3(19).

By: S. Ho, Y. Chen, S. Liu, C. Peng, D. Zhao & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Perovskite solar cells on corrugated substrates with enhanced efficiency

Small (Weinheim An Der Bergstrasse, Germany), 12(46), 6346–6352.

By: Y. Luo, S. Liu, N. Barange, L. Wang & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Photodegradation of metal oxide interlayers in polymer solar cells

Advanced Materials Interfaces, 3(23).

By: I. Constantinou, N. Shewmon, C. Lo, J. Deininger, J. Reynolds & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Solution-processed copper oxide interlayers for broadband PbS quantum-dot photodiodes

Journal of Materials Chemistry C, 4(47), 11205–11211.

By: H. Yu, S. Liu, S. Baek, D. Kim, C. Dong & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Structure-property relationships directing transport and charge separation in isoindigo polymers

Macromolecules, 49(11), 4008–4022.

By: C. Grand, S. Baek, T. Lai, N. Deb, W. Zajaczkowski, R. Stalder, K. Mullen, W. Pisula ...

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Vertical organic field-effect transistors for integrated optoelectronic applications

ACS Applied Materials & Interfaces, 8(16), 10430–10435.

By: H. Yu, Z. Dong, J. Guo, D. Kim & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

Effect of polymer side chains on charge generation and disorder in PBDTTPD solar cells

ACS Applied Materials & Interfaces, 7(48), 26999–27005.

By: I. Constantinou, T. Lai, E. Klump, S. Goswami, K. Schanze & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

Origin of sub-bandgap electroluminescence in organic light-emitting diodes

Small (Weinheim An Der Bergstrasse, Germany), 11(40), 5439–5443.

By: C. Xiang, C. Peng, Y. Chen & F. So

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

Solid-state lighting: photonics and technologies

Journal of Photonics for Energy, 5.

By: N. Tansu & F. So

Source: NC State University Libraries
Added: August 6, 2018

2015 article

The The role of photonics in energy

Journal of Photonics for Energy.

By: Z. Kafafi, R. Martin-Palma, A. Nogueira, D. O'Carroll, J. Pietron, I. Samuel, F. So, N. Tansu, L. Tsakalakos

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

Employment

2015 - present

North Carolina State University Raleigh, NC, US
Professor Materials Science and Engineering

Education

1986 - 1991

University of Southern California Los Angeles, CA, US
PhD Electrical Engineering