1. Lab. Information Recording Materials, Beijing Institute of Graphic Communication, Daxing, Beijing, China
2. State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, China
3. State Key Laboratory of Optoelectronic Materials and Technologies, The Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China