1. International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Engineering Technology Research Center for 2D Materials Information Functional Devices and Systems of Guangdong Province, Institute of Microscale OptoeletronicsShenzhen University Shenzhen 518060 People's Republic of China E-mail addresses
2. Department of Chemistry, Department of ChemistryNational University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
3. College of Biological, Chemical Science and EngineeringJiaxing University 118 Jiahang Road Jiaxing 314001 People's Republic of China