1. Department of Materials Science and EngineeringShenzhen Key Laboratory of Full Spectral Solar Electricity Generation (FSSEG)Southern University of Science and Technology No. 1088, Xueyuan Rd. Shenzhen 518055 Guangdong China
2. Joint Key Laboratory of the Ministry of EducationInstitute of Applied Physics and Materials EngineeringUniversity of Macau Avenida da Universidade Taipa 999078 Macau SAR China
3. Department of PhysicsSouthern University of Science and Technology No. 1088, Xueyuan Rd. Shenzhen 518055 Guangdong China
4. Department of PhysicsThe University of Hong Kong Pokfulam 999077 Hong Kong SAR China
5. Department of ChemistrySouthern University of Science and Technology No. 1088, Xueyuan Rd. Shenzhen 518055 Guangdong China