国家/地区 世界知识产权组织（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B031/04（4）
发明人 ZHANG M（4）
公开年 2016（4）
申请年 2014（4）
专利权人 SHENZHEN CAN.（4）

Grading and separating graphene material comprises preparing liquid dispersion of graphene material including graphene, graphene oxide or graphene quantum dots and subjecting to electrophoresis to obtain graphene material liquid dispersion.

ZHANG L, ZHANG M

Preparing graphene comprises adding a surfactant to a carbonate solvent to form surfactant-containing solution, adding graphite, ultrasonic peeling, centrifuging, filtering the graphene-containing supernatant and drying.

ZHANG L, ZHANG M

Preparation of graphene quantum dots involves adding monolayer graphene oxide to solvent, adding zinc oxide and stabilizing agent, hydrothermally reacting, adding acid, filtering, extracting, and removing extracting agent by evaporation.

ZHANG L, ZHANG M

Graphene material-based dispersive solid phase extraction method involves performing pore-forming and activation of graphene material, adding activated graphene material to chemical sample, extracting and detecting supernatant.

ZHANG M, ZHANG L