Research

[Reference]

1. “Graphene-conducting polymer hybrid transparent electrodes for efficient organic optoelectronic devices”, B. H. Lee†, J.-H. Lee†, Y. H. Kahng*, N. Kim, Y. J. Kim. J. Lee, T. Lee, and K. Lee*, Advanced Functional Materials, 24, 1847-1856 (2014). 

2. “Retarding Ion-Exchange between Conducting Polymers and Ionic Liquids for Printable Top Electrodes in Semi-Transparent Organic Solar Cells”, H. Park†, J.-H. Lee†, S. Lee, S. Y. Jeong, J. W. Choi, C.-L. Lee, J.-H. Kim, K. Lee*, ACS Applied Materials & Interfaces, 12, 2276-2284 (2020). 

[Reference]

Interface Materials

1. “Broad work function tunability of p-type conjugated polyelectrolytes for efficient organic solar cells”, B. H. Lee†, J.-H. Lee†, S. Y. Jeong, S. B. Park, S. H. Lee*, and K. Lee*, Advanced Energy Materials, 5, 1401653 (2015).

2. “Radical cation-anion coupling-induced work function tunability in anionic conjugated polyelectrolytes”, J.-H. Lee†, B. H. Lee†,*, S. Y. Jeong, S. B. Park, G. Kim, S. H. Lee, and K. Lee*, Advanced Energy Materials, 5, 1501292 (2015).

3. “Enhanced p-type work function tunability induced by electrostatic molecular alignment and surface coverage in conjugated small-molecule electrolyte”, J.-H. Lee†, S. Kwon†, S. Y. Jeong†, S. H. Lee, B. Park, S. Hong, S.-Y. Jang and K. Lee*, ACS Applied Electronic Materials, 1, 2566-2573 (2019).

Interface Engineering

1. “Introducing paired electric dipole layers for efficient and reproducible perovskite solar cells”, J.-H. Lee†, J. Kim†, S. Y. Jeong, G. Kim, H. Kim, and K. Lee*, Energy & Environmental Science, 11, 1742-1751 (2018).

2. “Reinforcing the built-in field for efficient charge collection in polymer solar cells”, J.-H. Lee, S. Y. Jeong, G. Kim, B. Park, J. Kim, B. Kim, and K. Lee*, Advanced Functional Materials, 28, 1705079 (2018).

[Reference]

1. “From Solution to Thin Film: Molecular Assembly of π-Conjugated Systems and Impact on (Opto)electronic properties”, A. Khasbaatar†, Z. Hu†, J.‐H. Lee†, G. Campillo-A, C. Hwang, B. Onusaitis, Y. Diao*, Chemical Reviews, 123 (13), 8395-8487 (2023).

2. "Supramolecular chirality largely modulates chemical doping of achiral conjugated polymers", Z. Xu†, S. Saiev†, P. Qian†, Y. Nabei†, J. M. Rinehart, A. M. Österholm, A. L. Jones, J.-H. Lee, C. Hwang, S. Wang, R. Sun, D. Shin, S. Jeon, K. E. Elangovan, J. Vura-Weis, V. Coropceanu, J. Rodríguez-López*, J. R. Reynolds*, D. Sun*, J.-L. Brédas*, Y. Diao* ,  Nature Communications, 16(1), 8381 (2025).

3. "Lyotropic Liquid Crystal Mediated Assembly of Donor Polymers Enhances Efficiency and Stability of Blade-Coated Organic Solar Cells", A. Khasbaatar, A. Damron, P. S. Fernando, J. S. Williams, C. Zhu, E. Gann, J.-H. Lee, A. Birge, B. Ki, S. Sabury, M. L. Lee, J. Reynolds, Y. Diao*,  Advanced Materials, 37(11), 2414632 (2025).

[Reference]

Organic Solar Cells

1. “Recycling the Energy of Indoor Light: Highly Efficient Organic Photovoltaics via a Ternary Strategy”, J.‐H. Lee, A. Khasbaatar, A. L. Jones, C. Hwang, M. Kim, J. Strzalka, E. Gann, M. L. Lee, J. R. Reynolds, Y. Diao*, ACS Applied Polymer Materials, 5 (6), 4199-4209 (2023).

2. “Efficient and Photostable Ternary Organic Solar Cells with a Narrow Band Gap Non-Fullerene Acceptor and Fullerene Additive”, J. Lee†, J.-H. Lee†, H. Yao, H. Cha, S. Hong, S. Lee, J. Kim, J. R. Durrant, J. Hou*, K. Lee*, Journal of Materials Chemistry A, 8, 6682-6691 (2020).

3. “Achieving Thickness‐Insensitive Morphology of the Photoactive Layer for Printable Organic Photovoltaic Cells via Side Chain Engineering in Nonfullerene Acceptors”, S. Lee†, K. H. Park†, J.-H. Lee† S. Y. Jeong, H. Back, M. J. Sung, J. Lee, J. Kim, H. Kim, Y.-H. Kim*, S.-K. Kwon* and K. Lee*, Advanced Energy Materials, 9, 1900044 (2019). 

4. “Reinforcing the built-in field for efficient charge collection in polymer solar cells”, J.-H. Lee, S. Y. Jeong, G. Kim, B. Park, J. Kim, B. Kim, and K. Lee*, Advanced Functional Materials, 28, 1705079 (2018).

Perovskite Solar Cells

1. “Introducing paired electric dipole layers for efficient and reproducible perovskite solar cells”, J.-H. Lee†, J. Kim†, S. Y. Jeong, G. Kim, H. Kim, and K. Lee*, Energy & Environmental Science, 11, 1742-1751 (2018).

2. “High-efficiency large-area perovskite photovoltaic modules achieved via electrochemically self-assembled metal-filamentary nanoelectrodes”, S. Hong, J. Lee, H. Kang, G. Kim, S. Kee, J.-H. Lee, S. Jung, B. Park, S. Kim, H. Back, K. Yu, K. Lee, Science Advances, 4, eaat3604 (2018).

3. “High-performance integrated perovskite and organic solar cells with enhanced fill factors and near-infrared harvesting”, J. Kim, G. Kim, H. Back, J. Kong, I.-W. Hwang, T. K. Kim, S. Kwon, J.-H. Lee, J. Lee, K. Yu, C.-L. Lee, K. Lee*, Advanced Materials, 28, 3159-3165 (2016).

Photoelectrochemical Cells Integrated with Solar Cells

1. “Long-Term Stable Organic Semiconductor Photocathode-Based Photoelectrochemical Module System for Hydrogen Production”, S. Seo†, J.‐H. Lee†, Y. Kim†, S. Kim, C. Yoon, H. Choi, S. Lee, K. Lee, H. Kim, S. Lee*, Journal of Materials Chemicstry A, 10, 13247-13253 (2022). 

2. “Efficient and Stable Perovskite-Based Photocathode for Photoelectrochemical Hydrogen Production”, J. H. Kim†, S. Seo†, J.‐H. Lee†, H. Choi, S. Kim, G. Piao, Y. R. Kim, B. Park, J. Lee, Y. Jung, H. Park, S. Lee*, K. Lee*, Advanced Functional Materials, 31, 2008277 (2021).

3. “An Organometal Halide Perovskite Photocathode Integrated with MoS2 Catalyst for Efficient and Stable Photoelectrochemical Water Splitting”, H. Choi†, S. Seo†, J.-H. Kim, J.-H. Lee, S. Kim, G. Piao, H. Park, K. Lee* and S. Lee*, Journal of Materials Chemistry A, 9, 22291-22300 (2021).

[Reference]

Organic Photodetector

1. "Non-Toxic FASnI3 perovskite on Nanostructured Black Silicon for Light-trapping-Enhanced Infrared Photodetection", J. Jung, K. Sun, Y. So, J. Sung, Y. B. Youn, N. R. Kim, S. W. Yoon, J. W. Baek, H. Lee, H. Kim, J.-H. Lee, S. Kwon, M.-W. Kim, , Current Applied Physics, in revision (2025).

[Reference]

1. “Retarding Ion-Exchange between Conducting Polymers and Ionic Liquids for Printable Top Electrodes in Semi-Transparent Organic Solar Cells”, H. Park†, J.-H. Lee†, S. Lee, S. Y. Jeong, J. W. Choi, C.-L. Lee, J.-H. Kim, K. Lee*, ACS Applied Materials & Interfaces, 12, 2276-2284 (2020). 

2. “Solution‐Processed and Transparent Graphene Oxide/TiOx Gas Barrier via an Interfacial Photocatalytic Reduction”, J. Byeon†, J.‐H. Lee†, G. Kim, H. Back, B. Park, J. Kim, K. Lee*, Advanced Materials Interfaces, 7, 1901318 (2020). 

3. “Large-area non-fullerene organic solar cell modules fabricated by a temperature-independent printing method”, S. Jeong, B. Park, S. Hong, S. Kim, J. Kim, S. Kwon, J.-H. Lee, M. S. Lee, J. C. Park, H. Kang, K. Lee*, ACS Applied Materials & Interfaces, 12, 41877-41885 (2020).

4. "A series connection architecture for large-area organic photovoltaic modules with a 7.5% module efficiency", S. Hong, H. Kang*, G. Kim, S. Lee, S. Kim, J.-H. Lee, J. Lee, M. Yi, J. Kim, H. Back, J.-R. Kim, and Kwanghee Lee*, Nature Communications, 7, 10279 (2016).

5. "Highly conductive all-plastic electrodes fabricated using a novel chemically controlled transfer-printing method", N. Kim, H. Kang, J.-H. Lee, S. Kee, S. H. Lee, and K. Lee*, Advanced Materials, 27, 2317-2323 (2015).