1. College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
2. Stoddart Institute of Molecular Science, Department of Chemistry, State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310058, P. R. China
3. Zhejiang-Israel Joint Laboratory of Self-Assembling Functional Materials, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou 311215, P. R. China