国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B031/04（2） C09K011/65（2）
发明人 SU Y（2）
公开年 2014（2）
申请年 2014（2）
专利权人 UNIV SHANGHA.（2）

Preparation of coal-based graphene quantum dots involves taking natural coal, crushing, mixing with strong acid, performing ultrasonic treatment, freezing, adding sodium nitrite, stirring, centrifuging, neutralizing and dialyzing.

SU Y, ZHANG L, ZHANG Y

Preparation of coal-based graphene quantum dots involves mixing pulverized coal with stripping solvent, adding accelerant, transferring in high-pressure reaction kettle, carrying out hydrothermal reaction, cooling and centrifuging.

SU Y, ZHANG Y