1. Center
for Polymers and Organic Solids (CPOS), Department of Chemistry and
Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
2. Institute
of Polymers/College of Chemistry, Nanchang University, 999 Xuefu
Avenue, Nanchang 330031, China
3. College of Materials & Environmental Engineering, Hangzhou Dianzi University, No. 2 Avenue, Gaojiaoyuan District, Xiasha, Hangzhou 310036, China