国家/地区 中国（13）
IPC部 B（14）
IPC大类 C01（14）
IPC小类 C01B（14）
IPC C01B032/184（14）
发明人 CHEN D（2） CUI D（2） GE M（2）
LU Y（2） ZHANG F（2）
公开年 2022（9） 2023（5）
申请年 2022（14）
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 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

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

Digital formation of two-dimensional materials structures used for electronic components, involves generating donor substrates containing back surface and front surface, applying coating to front surface, and irradiating coating containing donor material.

ZERGIOTI I, PAPAZOGLOU S, ZACHARATOS F, LOGOTHETI A, PESQUERA A, ZURUTUZA A, NAVEH D

Preparing magnetic graphene quantum dot for preparing imaging contrast agent and in-vitro diagnostic probe, involves subjecting ferrous ascorbate aqueous solution to hydrothermal reaction, where contrast agent is nuclear magnetic resonance-fluorescence double-mode enhanced imaging contrast agent.

XIE X, DING G, DONG H, YANG S, LI Y

Preparing graphene quantum dot airgel derived porous carbon useful for preparing supercapacitor electrodes, comprises e.g. adding coal powder to mixed acid solution, heating mixed solution and under condition of heat preservation, and adding pore-forming agent under stirring conditions.

WU H, XIAO R, XIONG L, XIE Y, DU X

Preparing graphene heat dissipation composite material useful in automobile engine heat-dissipating, comprises e.g. taking carbon fiber bundles, pouring mixed liquid into forming container, arranging multi-level orientation and arrangement of carbon fiber bundles in mixed solution by device.

CHEN D

Preparing graphene quantum dot comprises e.g. dissolving Congo red in deionized water to obtain Congo red aqueous solution, flashing aluminum hydroxide to obtain activated alumina, adding activated alumina to Congo red aqueous solution, mixing, and placing mixed sample in oven for drying.

ZU H, SHEN Z, DONG L