1. Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission Key Laboratory of Photosensitive Materials and Devices of Liaoning Province School of Physics and Materials Engineering Dalian Minzu University 18 Liaohe West Road Dalian 116600 P. R. China
2. State Key Laboratory of Fine Chemicals Institute of Artificial Photosynthesis Dalian University of Technology Dalian 116024 P. R. China