国家/地区 中国（5）
IPC部 B（5）
IPC大类 C01（5） B82（3） B01（2）
C09（2）
IPC小类 C01B（5）
IPC C01B032/184（4） B82Y030/00（2） C01B032/19（2）
C09K011/65（2）
发明人 ZHANG F（5）
公开年 2023（3） 2022（2）
申请年 2022（5）
专利权人 SHANGHAI NAT.（3）

Preparing graphene quantum dot based on heterogeneous catalyst, comprises e.g. dispersing manganese dioxide particles in water, adding hydrogen peroxide and neutral graphene oxide solution into reaction solution, then adding hydrochloric acid and hydrogen peroxide, and post-processing.

WANG J, LU Y, GE M, ZHANG F, CUI D

Amine-based modification of graphene quantum dots involves dispersing graphene quantum dots containing carboxyl group in water, heating, converting carboxyl group on surface of quantum dots into primary amide group, dispersing obtained solid in water, stirring, and dialyzing obtained solution.

WANG J, LU Y, GE M, ZHANG F, CUI D

Preparing graphene quantum dot involves modifying first graphene oxide, cutting into graphene quantum dot, dispersing graphene oxide into aqueous dispersion, adding ammonia water to dispersion to neutralize its acidity, and additionally adding ammonium chloride solution as an amine source.

GE M, LU Y, ZHANG F, CUI D

Preparing nanocarbon /graphene composite material involves forming graphene oxide dispersion liquid, with ether bond-containing solvent, mixing liquid with carbohydrate matter and acidic substance, forming black suspension from formed mixed solution, reducing suspension, freeze drying suspension.

NI Z, LIU B, ZHANG F

Flexible nitrogen dioxide gas sensor, has surface flexible substrate is attached with reduction oxidation graphene layer and zinc oxide quantum dot layer in turn.

JIANG Z, YANG P, LU D, ZHAO L, SUN L, ZHAO N, ZHANG F, LIN Q