1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry International Joint Research Laboratory of Nano-Micro Architecture Chemistry College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
2. State Key Laboratory of Solidification Processing Center for Nano Energy Materials School of Materials Science and Engineering Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU) 127 Youyi West Road Xi'an 710072 P. R. China
3. State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
4. Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials Key Laboratory of Cluster Science Ministry of Education School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing 100081 P. R. China