1. Engineering Research Center of Electronic Information Materials and Devices (Ministry of Education), Guangxi Key Laboratory of Information Materials School of Materials Science and Engineering, Guilin University of Electronic and Technology, Guilin 541004, China
2. School of Mechatronic Engineering and Automation, Foshan University, Foshan, 528000, P. R. China
3. Key Laboratory of Green Printing, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing 100190, P. R. China
4. Physics and Atmospheric Sciences, Jackson State University, Jackson, MS 39217, USA