Novel semiconductor: Organo-metal halide perovskite materials, metal organic frameworks, organic semiconductors, low band gap nano-crystals
Opto-electronic Device integrations: Light emitting diodes, X-ray imaging devices, low energy consuming computation devices, IR imaging
Spintronics: spin injection at the interface, polarized photo emission
Clean energy application: Photovoltaics
Selected Publications
Shreetu Shrestha, Hsinhan Tsai, Wanyi Nie*, “A perspective on the device physics of lead halide perovskite semiconducting detector for gamma and x-ray sensing” Applied Physics Letters (2023) Invited Perspective
Wanyi Nie, “Stability beyond lead”, Nature Energy, 8, 222–223 (2023)
Hsinhan Tsai, Dibyajyoti Ghosh, Eli Kinigstein, Bogdan Dryzhakov, Honora Driscoll, Magdalena Owczarek, Bin Hu, Xiaoyi Zhang, Sergei Tretiak, Wanyi Nie*, “Light-Induced Structural Dynamics and Charge Transport in Layered Halide Perovskite Thin Films” Nano Letters, 23, 2, 429–436 (2023)
Hsinhan Tsai, Dibyajyoti Ghosh, Wyatt Panaccione, Li-Yun Su, Cheng-Hung Hou, Leeyih Wang, Lei Raymond Cao, Sergei Tretiak, Wanyi Nie*, “Addressing the Voltage Induced Instability Problem of Perovskite Semiconductor Detectors” ACS Energy Letters 7, 3871-3879 (2022) Featured as a Cover art
Hsinhan Tsai*, Hsin‐Hsiang Huang, John Watt, Cheng‐Hung Hou, Joseph Strzalka, Jing‐Jong Shyue, Leeyih Wang, Wanyi Nie*, “Cesium Lead Halide Perovskite Nanocrystals Assembled in Metal‐Organic Frameworks for Stable Blue Light Emitting Diodes”, Advanced, Science, 2105850 (2022)
Hsinhan Tsai, Shreetu Shrestha, Lei Pan, Hsin‐Hsiang Huang, Joseph Strzalka, Darrick Williams, Leeyih Wang, Lei R Cao, Wanyi Nie*, “Quasi‐2D Perovskite Crystalline Layers for Printable Direct Conversion X‐Ray Imaging”, Advanced Materials, 34, 2106498 (2022)
Wanyi Nie*, Hsinhan Tsai, “Perovskite nanocrystal stabilized in metal organic framework
Shreetu Shrestha, Xinxin Li, Hsinhan Tsai, Cheng-Hung Hou, Hsin-Hsiang Huang, Dibyajyoti Ghosh, Jing-Jong Shyue, Leeyih Wang, Sergei Tretiak, Xuedan Ma, Wanyi Nie*, “Long carrier diffusion length in two-dimensional lead halide perovskite single crystals”, CHEM, 8, 1107-1120 (2022)
Hsinhan Tsai*, Shreetu Shrestha, Rafael A Vilá, Wenxiao Huang, Cunming Liu, Cheng-Hung Hou, Hsin-Hsiang Huang, Xiewen Wen, Mingxing Li, Gary Wiederrecht, Yi Cui, Mircea Cotlet, Xiaoyi Zhang, Xuedan Ma, Wanyi Nie*, “Bright and stable light-emitting diodes made with perovskite nanocrystals stabilized in metal–organic frameworks”, Nature Photonics, 15, 843-849 (2021)
Yuan Zhou, Kasun Fernando, Juanyong Wan, Fangze Liu, Shreetu Shrestha, Jeremy Tisdale, Chris J Sheehan, Andrew C Jones, Sergei Tretiak, Hsinhan Tsai*, Huihui Huang*, Wanyi Nie*, “Millimeter‐Size All‐inorganic Perovskite Crystalline Thin Film Grown by Chemical Vapor Deposition”, Advanced Functional Materials, 2101058, (2021)