1. State Key Laboratory of Luminescent
Materials and Devices and Institute of Polymer Optoelectronic Materials
and Devices, South China University of Technology, Guangzhou 510640, China
2. Energy Materials and Surface
Sciences Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Kunigami-gun,
Okinawa 904-0495, Japan
3. Dongguan LITEWELL Technology Incorporation, Dongguan 523656, China
4. Department of Organic Device
Engineering, Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata
992-8510, Japan