1. Institute of Solid-State Physics, Hefei Institutes of Physical Science, Chinese Academy of Science, Hefei 230031, China
2. University of Science and Technology of China, Hefei 230026, China
3. Sichuan Research Center of New Materials, Institute of Chemical Materials, China Academy of Engineering Physics, Chengdu 610200, Sichuan, China
4. School of Materials and Energy, Yunnan University, Kunming 650091, China
5. Université Grenoble Alpes, CEA, CNRS, INP, IRIG/SyMMES, STEP, 38000 Grenoble, France
6. IEK5-Photovoltaics, Forschungszentrum Jülich, 52425 Jülich, Germany