1. College of Chemistry
and Chemical Engineering, Liaoning Normal University, Huanghe Road 850#, Dalian 116029, P. R. China
2. Dandong Second Middle School, Rejuvenation Area Yingcai Street 2#, Dandong 118000, P. R. China
3. Guangxi
Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin 541004, P. R. China