1. Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Engineering Technology Research Centre of Efficient Green Energy and Environment Protection Materials, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, China
2. School of Energy and Environment, City University of Hong Kong, Hong Kong 999077, China
3. Guangxi Key Laboratory of Superhard Material, National Engineering Research Center for Special Mineral Material, China Nonferrous Metal (Guilin) Geology and Mining Co., Ltd., Guilin 541004, PR China
4. Guangdong Lingguang New Material Co., Ltd, Zhaoqing 526108, China