1. School
of Chemistry and Environment, South China Normal University, Guangzhou 510006, P. R. China
2. Key
Laboratory of Theoretical Chemistry of Environment, Ministry of Education, South China Normal University, Guangzhou 510631, P. R. China
3. Exhibition Base of Production, Study & Research on New Polymer Materials and Postgraduate Students’ Innovation Training of Guangdong Higher Education Institutes, South China Normal University, Guangzhou 510006, P. R. China