1. Laboratory for Micro-sized Functional Materials College of Elementary Education Department of Chemistry Capital Normal University Beijing 100048 China
2. Beijing Innovation Center for Engineering Science and Advanced Technology (BIC-ESAT) Key Laboratory of Water and Sediment Sciences (Ministry of Education) College of Environmental Sciences and Engineering Peking University Beijing 100871 China
3. Department of Chemistry and Biochemistry University of California 1156 High Street Santa Cruz CA 95064 USA
4. Beijing Key Laboratory of Functional Materials for Building Structure and Environmental Remediation Beijing University of Civil Engineering and Architecture Beijing 100044 China