国家/地区 中国（8） 美国（4） 世界知识产权组织（3）
IPC部 B（10）
IPC大类 B82（10） C01（10） C09（10）
IPC小类 B82Y（10）
IPC C01B031/04（10）
发明人
公开年 2015（10）
申请年 2014（5）  2015（5） 
专利权人

Preparing graphene quantum dot involves washing ultrafine graphite power with water and ethanol, filtering, drying, mixing with mixed acid solution, reacting, purifying graphene quantum dot by macroporous resin and eluting with water.

DONG S, SUN Y, WANG L, ZHAO L, ZHANG X, BI Q

Preparation of size-controlled graphene quantum dots involves depositing metal catalyst on clean substrate, etching metal thin film, supplying substrate, carbon source and reducing gas to reactor and purifying graphene quantum dots.

FENG W, LIU Y, YANG L, ZHANG J

Porous graphene used in e.g. adsorption applications, is prepared by providing graphene sheet having thickness and lateral dimension of preset range, and distributed pores having size of preset range on surface of graphene sheet.

LI X, SUN R, WANG X, YE W, CHEN W

Preparation of graphene quantum dots used for detecting trivalent gold ions, involves adding citric acid and L-cysteine to reactor, adding deionized water, mixing, heating and cooling mixture, and adjusting concentration of mixture.

CAI F, HUANG Y

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

Preparing water-soluble graphene quantum dot transmitting white fluorescence comprises taking graphite as a carbon source raw material, and taking sodium borohydride as a reducing agent.

JIANG B, SHEN X, DONG P, LIANG W

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