Hyeonggeun Yu 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 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 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). 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 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 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 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