1. Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes National Laboratory of Mineral Materials School of Materials Science and Technology China University of Geosciences Beijing 100083 P. R. China
2. The department of mechanics and engineering science college of civil engineering and mechanics Lanzhou University Lanzhou Gansu 730000 P. R. China
3. Engineering Technology Research Center of Henan Province for Solar Catalysis College of Chemistry and Pharmaceutical Engineering Nanyang Normal University Henan Nanyang 473061 P. R. China
4. Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education Department of Chemistry Tsinghua University Beijing 100084 P. R. China