国家/地区 中国（19） 日本（4） 美国（4） 世界知识产权组织（3） 韩国（2）
IPC部 C（25）
IPC大类 C09（25）
IPC小类 C09K（25） C01B（16） B82Y（12）
G01N（5） H01L（3）
IPC C09K011/65（25）
发明人 WANG L（4） LIU Y（2） SUN Y（2）
WANG X（2） YANG Y（2） ZHANG L（2）
公开年 2015（25）
申请年 2015（12）  2014（11）  2013（2） 
专利权人 LANZHOU CHEM.（2） UNIV SHANGHA.（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

Transparent fluorescence material used in light emitting device, consists of silicate sheet containing layered silicate, fibrous compound, nano graphene, and film in which fibrous compound and nano graphene have conjugated.

TEZUKA H

Preparation of fluorescent functional graphene oxide for, e.g. biomarkers, involves dispersing graphene oxide by adding thionyl chloride, removing supernatant and adding amino acid, performing reflux reaction and adding deionized water.

DONG C, GUO Y, MA Q, SONG J

Preparation of composite quantum dots for fluorescence enhancement type probes, involves stirring pi-bond graphene quantum dots and sodium lignosulfonate in sodium hydroxide solution, adjusting pH, dialyzing, freeze-drying solution.

HUANG K, LI M, LI S, MAO W, XIA J, ZHANG Y, YANG X, XU L

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

Preparing nitrogen-doped graphene quantum dot involves keeping triaminotrinitrobenzene in muffle furnace under nitrogen protection to perform pyrolysis reaction.

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

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