国家/地区 中国（7） 美国（5） 世界知识产权组织（4） 日本（3） 韩国（3） 欧洲专利局（EPO）（2）
IPC部 B（10）
IPC大类 B82（10） C01（10） C09（10）
H01（2）
IPC小类 B82Y（10）
IPC C01B031/04（10）
发明人 LIN J（2） YANG Y（2）
公开年 2014（5） 2015（5）
申请年 2014（10）
专利权人

Large-scale preparation graphene quantum dots, comprises adding graphene oxide into first solvent to obtain first dispersion solution, adding reducing agent, reacting, carrying out solid-liquid separation and cooling to obtain crude product.

ZHANG M, ZHANG L

Fabrication of graphene quantum dots used in e.g. electronic product, involves heating mixture of graphite powders with metallic hydrate salt to form intercalation compound by inserting metal ions, and redispersing in solvent.

JEON S, KIM B, SONG S, JEON S W, KIM B H, SONG S H

Preparation of controlled fluorescence graphene quantum dot comprises ultrasonically dispersing graphene in ultrapure water, adding hydrogen peroxide solution, and obtaining controlled graphene quantum dot fluorescence to UV radiation.

NIE F, LUO K, XU P, ZHENG J

Preparing multicolor fluorescence graphene quantum dot by microwave method comprises e.g. adding carbon material in concentrated nitric acid and sulfuric acid, dispersing, heating, dialyzing, freeze-drying to obtain carbon monoxide material.

CHEN S, LIU M, SUN X, YANG Y, ZHOU X

Making zero dimensional graphene quantum dots used in e.g. sensing, comprises placing graphite oxide in furnace, flushing furnace with inert gas, introducing hydrogen into furnace, heating graphite oxide in presence of hydrogen and cooling.

SUNDARA R, BABY T T, KANIYOOR A

Synthesis of nanoporous graphene and photo luminescent graphene quantum dots used for e.g. gas separation, involves preparing mixture by dispersing graphene in hydrogen peroxide, filtering mixture, drying residue and dialyzing filtrate.

KURUNGOT S, PALANISELVAM T, PLANISELVAM T, THANGAVELU P

Manufacture of graphene quantum dots used for road stickers, road signs, coatings, clothing, paints and photographic processing materials, involves exposing carbon source chosen from coal and coke to oxidant.

TOUR J M, YE R, XIANG C, LIN J, PENG Z, HAYASHI K, CERIOTTI G

Preparing graphene oxide quantum dots comprises adding citric acid to concentrated sulfuric acid, and carrying out reaction to form quantum dot graphene oxide solution.

XIE X, DING G, JIANG M, HE P

Preparing graphene quantum dot comprises adding polytetrafluoroethylene and silicon powder into cyclohexane, mixing, drying, sealing in blaster, performing deflagration, drying the graphene quantum dot polymeric nanoparticle and peeling.

LI R, YANG G, YANG Y, LIU Y, SHEN J

Extracting graphene quantum dot from coal comprises mixing coal powder with hydrochloric acid solution and then stirring, refluxing mixture, filtering refluxed mixture, and repeatedly washing coal powder using deionized water.

CHI Y, DONG Y, LIN J