1. College of Chemistry and Environmental Engineering Shenzhen University Shenzhen Guangdong 518060 P.R. China
2. Environmental Science and Engineering Research Center Harbin Institute of Technology (Shenzhen) Shenzhen Guangdong 518060 P.R. China
3. Institute of Chemical Sciences Bahauddin Zakariya University Multan 60800 Pakistan
4. Department of Chemistry and Chemical Biology Rutgers University Piscataway New Jersey 08854 United States