1. SCNU-UG International Joint Laboratory of Molecular Science and Displays, National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006
2. Joint Laboratory of Optofluidic Technology and Systems, Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006
3. Stratingh Institute for Chemistry, University of Groningen, 9747AG Groningen