国家/地区 中国（4）
IPC部 B（4）
IPC大类 C01（4） B82（3） C09（2）
IPC小类 C01B（4）
IPC B82Y030/00（3） C01B032/184（3） C01B032/19（2）
C01B032/194（2） C09K011/65（2）
发明人 CUI D（4）
公开年 2023（3）
申请年 2022（4）
专利权人 SHANGHAI NAT.（4）

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

Preparation of nano composite material with iodine and sulfur particles anchored in nitrogen-doped graphene axial plane used in photoelectrocatalysis, involves mixing trimethyl iodosulfonic acid as sulfur source and iodine source with nitrogen-doped graphene material, calcining and cooling.

WANG J, CUI D