国家/地区 中国（17）
IPC部 C（17）
IPC大类 C01（17）
IPC小类 C01B（17） C09K（16） B82Y（5）
H05K（3） B01J（2） C01G（2）
C09D（2） G01N（2）
IPC C01B032/184（17）
发明人 WANG J（3） CUI D（2） GE M（2）
GONG G（2） HUANG W（2） JIANG L（2）
LI L（2） LIU H（2） LU Y（2）
LUO C（2） WANG Y（2） ZHANG F（2）
ZHANG Z（2） ZHOU C（2）
公开年 2023（17）
申请年 2022（15）  2023（2） 
专利权人 DRILLING ENG.（2） SHANGHAI NAT.（2） SINOPEC OILF.（2）

Preparation of graphene quantum dots used as e.g. fluorescent (closed) probe, involves carbonizing sea rice, dispersing in alkali solution, oxidizing with hydrogen peroxide, adjusting pH to neutrality, filtering, and dialyzing.

ZHENG C, LIANG Z, KANG X, WU Y, LUO X, LUO K, WEN Y

Preparing metal nitrogen-doped graphene quantum dot composite material useful e.g. for preparing ammonium perchlorate catalyst, by e.g. dissolving organic acid and organic amine in solvent, carrying out hydrothermal reaction, adding soluble metal salt, dialyzing, and freeze-drying.

YIN Z, WANG Y, JIANG L, FU X, XU J, NIE F

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 self-supporting three-dimensional graphene framework used in field of heat dissipation, comprises e.g. adding metal foam to graphene oxide solution, coating polymethyl methacrylate on graphene skeleton-metal foam, removing metal foam and polymethyl methacrylate, cleaning and freeze-drying.

ZHANG J, SUN S, WANG J, ZHAO Y

Preparation of heat-conducting film used in electronic device, involves adding graphene oxide tube to water, mixing, reacting, spraying obtained solution on copper foil substrate, reducing, peeling off reduced graphene film, placing in interlayer layer of graphene sheet, and calcining.

YE J, LIU M, SUN D, HUANG W, LIN J

Preparing graphene/zirconium-BDC-metal-organic framework/perovskite quantum dot high thermal conductivity composite material comprises e.g. dispersing quantum dots in toluene, taking zirconium oxychloride octahydrate, washing, placing sodium nitrate into beaker, adding sulfuric acid and compounding.

WANG S, LUAN Y

Preparing graphene-based thermally conductive/conductive composite material, comprises e.g. pressing open-cell metal foam laminate, annealing pressed foam metal, catalyzing graphene on the surface of the metal foam substrate, removing the metal substrate, and post-processing.

CHENG H, LIU H, MA C, REN W

Preparation of high-thermal conductivity graphene heat-dissipation film involves adding graphene oxide film to be treated to chamber of continuous microwave processing equipment, vacuuming chamber, pretreating, and performing photoreduction and high-temperature structural reformation process.

ZHAO Z, ZHANG Y

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