Dr. Weijun Ke is a professor in the School of Physics and Technology at Wuhan University, China. He received his Ph.D. in Physical Science from Wuhan University in 2016, working under the guidance of Professor Guojia Fang. From 2014 to 2015, Dr. Ke was a visiting scholar at the University of Toledo and the National Renewable Energy Laboratory, where he collaborated with Professor Yanfa Yan's group. He then joined Northwestern University as a postdoctoral researcher and later as a research associate in Professor Mercouri G. Kanatzidis' group, a position he held until 2020. Dr. Ke's research focuses on the development of halide perovskite materials and devices, with a particular emphasis on all-perovskite tandem solar cells.

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