Preparation of graphene oxides with different sheet sizes by temperature control*

Project supported by the National Natural Science Foundation of China (Grant Nos. 41473090, 41430644, 11675098, 41373098, 41430644, and 21490585).

Qian Zhe1, Chen Liang1, 2, Li De-Yuan1, 2, Peng Bing-Quan1, Shi Guo-Sheng2, ‡, Xu Gang1, §, Fang Hai-Ping2, Wu Ming-Hong1, ¶
       

Size distributions of graphene oxide sheets of samples A. B, C, and D prepared at (a) 6 °C, (b) 20 °C, (c) 40 °C, and (d) 60 °C, respectively.