国家/地区 世界知识产权组织（10）
IPC部 C（10）
IPC大类 C01（10） B82（4） C09（3）
IPC小类 C01B（10）
IPC C01B031/04（9） C01B032/182（4） C01B032/198（4）
B82Y040/00（3） C01B032/15（3） C01B032/18（3）
C01B032/20（3） C01B032/23（3） B82B001/00（2）
B82Y020/00（2） B82Y030/00（2） C01B032/184（2）
C01B032/192（2） C01B032/194（2） C09K011/08（2）
发明人 ZHANG M（10）
公开年 2015（5） 2016（4）
申请年 2014（7）  2013（2） 
专利权人 SHENZHEN CAN.（8） CARBON NANO .（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

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

Repairing reduced graphene oxide comprises e.g. reacting graphene oxide with Lewis acid and methyl containing compound, refluxing, adding Lewis acid and repair agent, reacting, mixing with metal powder catalyst, reacting and annealing.

ZHANG M, ZHANG L

Large-scale preparation graphene quantum dots, comprises adding graphene oxide into first solvent to obtain first dispersion solution, adding reducing agent, reacting, carrying out solid-liquid separation and cooling to obtain crude product.

ZHANG M, ZHANG L

Preparing anthracite based graphene oxide comprises e.g. preparing ultra-clean anthracite powder, adding dispersant, carrying out ultrasonication to prepare dispersion liquid, and preparing graphene oxide colloid solution.

ZHANG L, ZHANG M

Preparing graphene oxide based on mixed acid system comprises e.g. washing graphite, drying, smashing, passing through sieve, preparing graphite powder, adding plugging agent, preparing first acid system and then second acid system.

ZHANG L, ZHANG M

New contrast agent, prepared by chemically bonding the bridge molecule to graphene oxide surface, and reacting complex molecule with the bridging molecule attached to the surface of graphene oxide to form surface complex molecule.

ZHANG M, ZHANG Z