1. State
Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian 116024, People’s Republic of China
2. Key Laboratory
of Optoelectronic Devices and Systems of Ministry of Education and
Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Nanhai Road 3688, Shenzhen 518060, People’s Republic of China
3. Department
of Chemistry and CREOL, College of Optics and Photonics, University of Central Florida, P.O. Box 162366, Orlando, Florida 32816-2366, United States