1. College of Chemistry and Bioengineering, Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials Guilin University of Technology Guilin 541004 People's Republic of China
2. College of Petroleum and Chemical Engineering Beibu Gulf University Qinzhou 535011 People's Republic of China
3. College of Chemistry Guangdong University of Petrochemical Technology Maoming, Guangdong 525000 People's Republic of China