国家/地区 中国（12）
IPC部 C（12）
IPC大类 C01（12） C09（12） B82（8）
G01（2）
IPC小类 C01B（12）
IPC C09K011/65（12）
发明人 SUN Y（2） WANG L（2）
公开年 2015（12）
申请年 2014（6）  2015（6） 
专利权人 LANZHOU CHEM.（2）

Preparation of nitrogen-doped graphene quantum dot dispersion for biological imaging and fluorescent probe, involves dissolving glucose in water, adding aqueous ammonia, reacting, removing excess ammonia, purifying and centrifuging.

CHEN Y, LI P, QI F, ZHANG W, LIU J, HE J, ZHENG B

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 water-soluble fluorinated graphene quantum dots for e.g. biosensor, involves adding fluorinated graphene to alkaline composition, adding modified fluorinated graphite to mixed acid and dialyzing filtrate.

WANG J, YANG S, GONG P

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

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

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

Preparation of graphene oxide quantum dots by adding graphite-containing component and concentrated nitric acid into flask, ultrasonically reacting, placing into oil bath, refluxing, cooling, centrifuging, evaporating supernatant and drying.

WANG M, ZHU X