国家/地区 中国（4）
IPC部 B（4）
IPC大类 C01（4） B01（3）
IPC小类 C01B（4）
IPC C01B031/04（3） B01F013/10（2） B01F015/00（2）
B01F015/06（2） B01J019/02（2） B01J019/10（2）
C01B032/198（2）
发明人 ZHANG L（4）
公开年 2016（3）
申请年 2016（4）
专利权人 ZHANG L（4）

Preparation of graphene quantum dots of different oxygen content used in fluorescent material, involves dispersing graphene oxide in peroxide solution, mixing dispersion with lye, purifying to obtain powder, and performing gradient elution.

ZHANG L, ZHANG M

Dispersion device used in graphene material production system dispersing chamber that is provided with dispersion cavity, and stirring mechanism that is provided with stirring rod that is extended into dispersion cavity.

ZHANG L

Purification of graphene oxide comprises passing graphene oxide solution through cation exchange resin and anion exchange resin.

ZHANG L

Dispersing device for use in a graphene material production system, comprises an ultrasonic generating mechanism that is provided with a dispersing chamber and stirring mechanism, and lifting mechanism that is provided with a lifting end.

ZHANG L