国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 XU P（2）
公开年 2023（2）
申请年 2023（2）
专利权人

Purifying graphene oxide involves preparing graphene oxide filter cake by improving Hummers method, dissolving citric acid, salicylic acid, malic acid and tartaric acid in deionized water to obtain mixed acid solution, and adding graphene oxide filter cake into mixed acid solution.

WEI R, XU P, LIU G, HAO Z, GONG Y

Manufacturing method for improving brightness of chip LED, involves growing P-type gallium nitride layer to complete structure on second graphene layer by using metal organic chemical vapor deposition method.

CHEN Y, XU Y, WANG J, XU P