国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B032/19（2）
发明人 ZHANG R（3）
公开年 2019（3）
申请年 2019（3） 
专利权人 UNIV YANSHAN（2）

Method for preparing high-quality large-size graphene, involves ball-milling original graphite powder for short period of time to destroy graphite edge structure, and performing oxidation intercalation stripping at low temperature.

ZHANG R, WU W

Graphene preparation involves ultrasonically mixing natural graphite and peroxyacetic acid uniformly to form mixed liquid, and then carrying out microwave treatment of mixed liquid after standing at room temperature.

ZHANG R, WANG P

Preparing graphene quantum dots useful in the fabrication of devices, comprises e.g. reacting flake graphite with concentrated sulfuric acid, adding nitrate and potassium permanganate, reacting and diluting the reaction system with water.

ZHANG R, PENG S, LENG S