Excited state dynamics of optoelectronic materials

• 2014-09--2019-05, Ph. D. in Physical Chemistry, Dalian Institute of Chemical Physics, CAS.

• 2010-09--2014-07, B.S. in Material Physics, China University of Petroleum（East China).

• 2021-05--Present, Associate Professor, Dalian Institute of Chemical Physics, CAS.

• 2019-06--2021-05, Postdoctoral Fellow, Dalian Institute of Chemical Physics, CAS.

1. ​Pengfei Cheng*, Keli Han, Junsheng Chen*. Recent Advances in Lead-Free Halide Perovskites for Photocatalysis. ACS Materials Letters. 2022, 60-78.
2. Pengfei Cheng, Daoyuan Zheng, Lu Feng, Yuefeng Liu, Junxue Liu, Juntao Li, Yang Yang, Guoxiong Wang, Keli Han*. Doped all-inorganic cesium zirconium halide perovskites with high-efficiency and tunable emission. Journal of Energy Chemistry, 2022, 65, 600-604.
3.  Pengfei Cheng, Lu Feng, Yuefeng Liu, Daoyuan Zheng, Youbao Sang, Wenyuan Zhao, Yang Yang, Songqiu Yang, Donghui Wei, Guoxiong Wang, Keli Han*. Doped zero‐dimensional cesium zinc halides for high‐efficiency blue light emission. Angewandte Chemie International Edition, 2020, 59, 21414-21418.
4. Pengfei Cheng, Lei Sun, Lu Feng, Songqiu Yang, Yang Yang, Daoyuan Zheng, Yang Zhao, Youbao Sang, Ruiling Zhang, Donghui Wei, Weiqiao Deng, Keli Han*. Colloidal synthesis and optical properties of all‐inorganic low‐dimensional cesium copper halide nanocrystals. Angewandte Chemie International Edition, 2019, 58, 16087-16091.
5. Pengfei Cheng, Tao Wu, Junxue Liu, Wei-Qiao Deng, Keli Han*. Lead-free, two-dimensional mixed germanium and tin perovskites. The journal of physical chemistry letters, 2018, 9, 2518-2522.
6. Pengfei Cheng, Tao Wu, Jiangwei Zhang, Yajuan Li, Junxue Liu, Lei Jiang, Xin Mao, Rui-Feng Lu, Wei-Qiao Deng*, Keli Han*.  (C₆H₅C₂H₄NH₃)₂GeI₄: A Layered Two-Dimensional Perovskite with Potential for Photovoltaic Applications. The journal of physical chemistry letters, 2017, 8, 4402-4406.
7. Pengfei Cheng+, Tao Wu+, Yajuan Li, Lei Jiang, Weiqiao Deng*, Keli Han*.  Combining theory and experiment in the design of a lead-free ((CH₃NH₃)₂AgBiI₆) double perovskite. New Journal of Chemistry, 2017, 41, 9598-9601.
8.  Ruiling Zhang+, Xin Mao+, Pengfei Cheng, Yang Yang, Songqiu Yang, Tuerdi Wumaier, Weiqiao Deng, Keli Han*. Bismuth doped lead-free two-dimensional tin based halide perovskite single crystals. Journal of Energy Chemistry, 2019, 36, 1-6.

,58,16087–16091

2019

,58,16087–16091

​lead-free perovskites; low-dimensional halides; excited state dynamics; white LED; photocatalysis