1. Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences (CAS), Guangzhou, Guangdong 510640, People’s Republic of China
2. CAS Key Laboratory of Renewable Energy, Guangzhou, Guangdong 510640, People’s Republic of China
3. Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou, Guangdong 510640, People’s Republic of China