1. Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays South China Academy of Advanced Optoelectronics National Center for International Research on Green Optoelectronics South China Normal University Guangzhou 510006 China
2. International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province Shenzhen University Shenzhen 518060 China