Patent ID: 11944957
Assignee: ROI OPTOELECTRONICS TECHNOLOGY CO, LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC B  A  C | IPC A  B  C

Claim 16:
17. The method according to claim 11, wherein the solution in step (3) comprises a graphene oxide solution, and the graphene oxide solution is prepared by:
dissolving glucose in deionized water to obtain an aqueous solution, heating the aqueous solution in a water bath at a temperature of 40 to 60° C. for 6 to 8 h, putting the aqueous solution in a Teflon reaction kettle, and placing the reaction kettle in a constant temperature blast drying oven at a temperature of 160 to 200° C. for 10 to 12 h, followed by standing for settlement and taking a supernatant as the graphene oxide solution.