1. Key Laboratory of Beijing on Regional Air Pollution Control Beijing Key Laboratory for Green Catalysis and Separation Center of Excellence for Environmental Safety and Biological Effects Beijing University of Technology Beijing 100124 P. R. China
2. Beijing Key Laboratory of Microstructure and Properties of Solids Faculty of Materials and Manufacturing Beijing University of Technology Beijing 100124 P. R. China
3. State Key Laboratory of Organic-Inorganic Composites Beijing Key Laboratory of Energy Environmental Catalysis Beijing University of Chemical Technology Beijing 100029 P. R. China
4. School of Environmental Science and Engineering Hebei University of Science and Technology Shijiazhuang Hebei 050018 P. R. China