1. School of Mathematics and Information Engineering, Longyan University, 1 Dongxiao North Road, Longyan, Fujian 364000, China
2. College of Chemistry & Materials Science, Longyan University, 1 Dongxiao North Road, Longyan, Fujian 364000, China
3. Fujian Provincial Key Laboratory of Clean Energy Materials, College of Chemistry and Materials Science, Longyan University, 1 Dongxiao North Road, Longyan, Fujian 364000, China