1. Guangdong Engineering & Technology Research Centre of Graphene-like Materials and Products, Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, P. R. China
2. School of Light Industry and Materials, Guangdong Polytechnic, Foshan 528041, P. R. China
3. Institute of Advanced Wear & Corrosion Resistant and Functional Materials, Jinan University, Guangzhou 510632, P. R. China
4. Guangdong Jianpai New Materials Co., Ltd., Foshan 528500, P. R. China