1. School of Materials Science and EngineeringNanyang Technological University Singapore 639798 Singapore
2. School of Chemical Engineering and TechnologyTianjin University Tianjin 300072 China
3. College of ChemistryKey Laboratory of Theoretical & Computational Photochemistry of Ministry of EducationBeijing Normal University Beijing 100875 China
4. College of ChemistryFuzhou University Fujian 350108 China
5. Department of Materials Science and EngineeringCity University of Hong Kong Kowloon Hong Kong SAR China