国家/地区 中国（20） 韩国（3） 美国（3）
IPC部 C（25） B（16） G（9）
H（5） A（2） D（2）
IPC大类 C01（25）
IPC小类 C01B（25）
IPC C09K011/65（25）
发明人 CAI J（2） CUI D（2） GE M（2）
JEONG S（2） LEE J J（2） LIU J（2）
LIU Y（2） LU Y（2） XU M（2）
ZHANG F（2） ZHOU Y（2）
公开年 2022（20） 2023（5）
申请年 2022（25）
专利权人 HEXA FIC CO .（2） SHANGHAI NAT.（2） UNIV CHINA M.（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 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

Light emitter for laser and switch for fabricating electronic device, includes substrate, and quasi-one-dimensional graphene nanomaterial coupled to substrate, where quasi-one-dimensional graphene nanomaterial includes one or more topological defects.

YEH N, KISHORE K P D D

Producing graphene quantum dots useful in nanoelectronics comprises e.g. micelle solution, where micelles including water, carbon precursor and surfactant are dispersed in non-polar solvent and heated to obtain graphene core.

JEONG S, LEE J J

Production of branched graphene quantum dot used for yarn, involves dissolving carbon precursor comprising carboxylic acid and ligand precursor in solvent to prepare precursor solution, and heating precursor solution to prepare core containing graphene and ligand surrounding core.

JEONG S, LEE J J

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

Soluble graphene quantum dot used in light-emitting material and organic light-emitting device, comprises anthracenyl N-alkyl maleimide functional group at edge.

SHIN H, NIU W, MUELLEN K, LIU J, WU F, FENG X, KIM S, LIANG P, WHOOPENG, MULLEN K, WENHUI N, SHIN H J