国家/地区 中国（20） 韩国（7） 美国（5） 世界知识产权组织（5） 欧洲专利局（EPO）（4） 澳大利亚（3） 加拿大（3） 印度（3） 日本（3） 新加坡（3）
IPC部 C（23）
IPC大类 C01（23）
IPC小类 C01B（23）
IPC C09K011/65（23）
发明人 CHEN Y（3） LI X（3） CHEN W（2）
GAO H（2） HU Z（2） JIANG W（2）
LI F（2） LI Y（2） SUN R（2）
SUN Y（2） TANG L（2） TIAN R（2）
TOUR J（2） TOUR J M（2） WANG T（2）
公开年 2016（14） 2015（6） 2017（3）
申请年 2015（23）
专利权人 UNIV NANJING.（2） UNIV RICE WI.（2） UNIV RICE WI.（2） UNIV SOUTH C.（2）
UNIV SUNGKYU.（2）

Preparation of strong fluorescence graphene quantum dots involves using solvent thermal method to expand graphite using hydrogen peroxide solution as oxidant in presence of organic solvent.

JIANG W, TIAN R, WANG T, WU J, ZHONG S, WANG Y, LI F, CHEN Y, GAO H

Producing graphene quantum dots, comprises e.g. preparing aqueous graphene oxide solution, and performing hydrothermal treatment of aqueous graphene oxide solution to form graphene hydrogel and graphene quantum dots.

HONGYI Q, JIN C Y, JIN Y, KIM T, LEE C, TAO G

Preparing double-fluorescent graphene quantum dots involves reacting graphene solution with oxidizing agent i.e. hydrogen peroxide, where obtained product is hydrothermally treated to obtain blue fluorescent graphene quantum dot solution.

JIANG W, TIAN R, WANG T, WU J, ZHONG S, WANG Y, LI F, CHEN Y, GAO H

Producing surface-modified graphene quantum dots useful as surfactant, comprises e.g. preparing mixture by dissolving e.g. 4-dimethylaminopyridine, graphene quantum dot in solvent, adding N,N'-dicyclohexylcarbodiimide, heating and cooling.

CHO H H, KIM B

Manufacturing graphene quantum dot involves mixing acid and graphene oxide and subjecting mixture to hydro-thermal treatment to obtain graphene quantum dot.

CUI P, LEE H

Preparation method of nitrogen doped graphene quantum point, involves adding acetylene black, concentrated nitric acid and deionized water to reflux device, setting heating temperature, and maintaining reaction liquid to slightly boil.

HU Z, LI X, SHI G, TANG L

Manufacture of graphene quantum dots from carbon source, involves exposing carbon source chosen from coal, coke, biochar, and/or asphalt to solution containing oxidant, and forming graphene quantum dots.

TOUR J M, METZGER A, YE R, MANN J, TOUR J

Preparing graphene quantum dot based on hypochlorite peroxide comprises ultrasonically dispersing solid graphite oxide, stripping graphite oxide monolayer, mixing hypochlorite aqueous solution and carrying out ultraviolet ray irradiation.

MA X, ZHOU X

Method for preparation of graphene quantum dot, involves adding aromatic compound to nitric acid, adding alkaline material, pouring microporous cellulose filtration membrane into dialysis bag and dialyzing with water.

LI Z, SUN L, SUN Y, YANG C, YU M

Manufacture of graphene oxide involves contacting one end face of carbon-based three-dimensional material electrode(s) in parallel with electrolyte solution, electrolyzing, electrochemically-oxidizing, and cutting graphite sheet layers.

XU H, ZHOU Q