| Affiliation: | 1. Collaborative Innovation Center of Sustainable Energy Materials, Guangxi University, Nanning, P. R. China;2. State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, Sun Yat‐sen University, Guangzhou, P. R. China;3. Department of Applied Physics, Stanford University, Stanford, CA, USA;4. Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA;5. Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA, USA |
