1. College of Materials Science and Opto-electronic Technology University of Chinese Academy of Sciences Yanqi Lake, Huairou District Beijing 101408 P. R. China
2. Department of Materials Science and Engineering School of Physical Science and Engineering Beijing Jiaotong University Beijing 100044 P. R. China
3. Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
4. Beijing Synchrotron Radiation Facility Institute of High Energy Physics Beijing 100049 P. R. China
5. RICMASS Rome International Center for Materials Science Superstripes Rome Italy
6. Institute of Chemical and Engineering Sciences Agency for Science Technology and Research Singapore Singapore
7. State Key Laboratory of Solid Waste Reuse for Building Materials Beijing Building Materials Academy of Science Research Beijing 100041 P. R. China