1. Key Laboratory of Cluster Science Ministry of Education Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials Advanced Technology Research Institute (Jinan) School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing 100081 P. R. China
2. Analysis and Testing Center Beijing Institute of Technology Beijing 100081 P. R. China
3. Beijing Advanced Innovation Center for Intelligent Robots and Systems and Institute of Engineering Medicine Beijing Institute of Technology Beijing 100081 P. R. China