国家/地区 中国（12） 美国（4） 世界知识产权组织（3） 日本（2） 韩国（2）
IPC部 C（16）
IPC大类 C01（16）
IPC小类 C01B（16）
IPC C09K011/65（16）
发明人 SUN Y（2） WANG L（2）
公开年 2015（16）
申请年 2014（9）  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

Graphene structure used as white fluorescent luminescent material, consists of graphene sheet, and graphene quantum dots having armchair-type end surface at edge portion of sheet coated with polyhedral oligomeric silsesquioxane.

HAINO T, SEKIYA A

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

Manufacture of n-type graphene quantum dot involves mixing graphene quantum dot and nitrogen-containing compound, and heat-treating mixture.

CHOI S H, SHIN D H, KIM S

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