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Wei-Hsuan Chang
Researcher at University of California, Los Angeles
Publications - 22
Citations - 7902
Wei-Hsuan Chang is an academic researcher from University of California, Los Angeles. The author has contributed to research in topics: Perovskite (structure) & Polymer solar cell. The author has an hindex of 19, co-authored 22 publications receiving 6900 citations. Previous affiliations of Wei-Hsuan Chang include University of California & National Taiwan University.
Papers
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Journal ArticleDOI
Solution-processed hybrid perovskite photodetectors with high detectivity
TL;DR: The results indicate that with proper device interface design, perovskite materials are promising candidates for low-cost, high-performance photodetectors.
Journal ArticleDOI
Improved air stability of perovskite solar cells via solution-processed metal oxide transport layers
Jingbi You,Lei Meng,Tze-Bin Song,Tzung-Fang Guo,Yang Yang,Wei-Hsuan Chang,Ziruo Hong,Huajun Chen,Huanping Zhou,Qi Chen,Yongsheng Liu,Nicholas De Marco +11 more
TL;DR: A solution-processed lead halide perovskite solar cell that has p-type NiO(x) and n-type ZnO nanoparticles as hole and electron transport layers, respectively, and shows improved stability against water and oxygen degradation when compared with devices with organic charge transport layers is reported.
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An Efficient Triple‐Junction Polymer Solar Cell Having a Power Conversion Efficiency Exceeding 11%
Chun-Chao Chen,Wei-Hsuan Chang,Ken Yoshimura,Kenichiro Ohya,Jingbi You,Jing Gao,Zirou Hong,Yang Yang +7 more
TL;DR: A triple-junction tandem design is demonstrated by employing three distinct organic donor materials having bandgap energies ranging from 1.4 to 1.9 eV and can exhibit a record-high PCE of 11.5%.
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Moisture assisted perovskite film growth for high performance solar cells
Jingbi You,Yang Yang,Ziruo Hong,Tze-Bin Song,Lei Meng,Yongsheng Liu,Chengyang Jiang,Huanping Zhou,Wei-Hsuan Chang,Gang Li +9 more
TL;DR: In this paper, a growth mode for via thermal annealing of the perovskite precursor film in a humid environment (e.g., ambient air) to greatly improve the film quality, grain size, carrier mobility, and lifetime was reported.
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High-performance multiple-donor bulk heterojunction solar cells
TL;DR: In this paper, the use of carefully selected multiple donor polymers is shown to improve the performance of polysilicon solar cells, and the performance was further improved by selecting carefully selected polymers.