国家/地区 中国（9）
IPC部 B（9）
IPC大类 C01（9）
IPC小类 C01B（9）
IPC C01B032/184（5） C09K011/65（4） B82Y020/00（3）
B82Y030/00（3） B82Y040/00（3） C01B032/19（2）
C01B032/194（2） G01N021/64（2）
发明人 CUI D（2） GE M（2） LU Y（2）
ZHANG F（2）
公开年 2023（9）
申请年 2022（9）
专利权人 SHANGHAI NAT.（2）

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

Preparing nitrogen and sulfur co-doped pH responsive graphene quantum dots used in pH value responsive reagent for selective iron detection, involves mixing carbon source compound and nitrogen and sulfur source compound, carrying out a hydrothermal reaction, centrifuging and filtering.

LI D, YAN J, ZHOU Y, LIU X

Preparing modified graphene quantum dots involves mixing graphene oxide, hydrogen peroxide and N,N dimethylformamide, subjecting resulting dispersion to solvothermal reaction to obtain GQDs (graphene quantum dots), mixing GQDs, 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride.

WU L, CAI F, CHEN G, GUO Y, ZHAO Q

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

New nitrogen-copper doped graphene compound used as quantum dots for detecting quercetin and tetracycline antibiotics including doxycycline.

HU H, WANG L, WANG Y, LI X, GUO G, TANG S, WANG C, CHENG J, CHEN D, LI T

Preparing modified sludge activated carbon for desulfurization and denitrification, VOCs gas adsorption, heavy metal ion adsorption in sewage, soil management field, involves using sludge particles, charring agents and binders as raw material, mixing raw materials.

TONG S

Preparation of super-amphiphile graphene used in e.g. preparation of Pickering emulsion, involves mixing wood powder, ferric chloride, zinc chloride and ionic liquid containing tetrafluoroborate anion, and pyrolyzing in inert atmosphere.

LIU H, FAN H

Preparing graphene nanofluids by microwave-coupled ultrasonic one-step method comprises immersing graphene precursor in solvent, pre-mixing, placing mixture in microwave reactor with ultrasonic function, carrying out microwave heating liquid phase exfoliation and adjusting appropriate pH.

QI G, GUO S, CHENG S

Preparing shear-resistant organic boron crosslinking agent, comprises adding citric acid to water in state of heating and stirring, adding zirconium oxychloride and organoboron cross-linked particles, stirring, adding glycerol and triethanolamine, and stirring.

YU C, LI M, DING Q, LI K, LI J