SHI Zi-Xin1, DENG Feng1**, LIANG Zheng-Yu1, CHEN Yong-Rong2, HONG Lin-Feng3, YANG Wei-Zhen1
1. School of Chemistry, South China Normal University, Guangzhou 510006, China; 2. Dongguan No. 6 Senior High School, Dongguan 523000, China; 3. Shenzhen Cuiyuan Junior School, Shenzhen 518001, China