国家/地区 中国（19） 韩国（3）
IPC部 C（23）
IPC大类 C01（23）
IPC小类 C01B（23）
IPC C09K011/65（23）
发明人 CHEN A（3） WANG X（3） LIU Y（2）
WANG K（2） WANG L（2） ZHANG H（2）
ZHU X（2）
公开年 2018（18） 2020（4）
申请年 2018（23）
专利权人 UNIV SHANGHA.（3） DREAM FACTOR.（2） UNIV GACHON .（2）

Preparing small-sized graphene quantum dots by adding graphite into deionized water, dispersing aqueous solution, heat-treating, irradiating, ultrasonically dispersing, transferring homogeneous graphene oxide suspension, and filtering.

XU Z, MA T, LI N, LIU L, QIAN X, WANG W

Manufacturing graphene quantum dots involves adding coffee bean powder, carbonizing coffee bean powder by heating in hydrogen atmosphere, placing carbonized coffee bean powder.

HONG B H, KIM D

Producing graphene quantum dots, comprises e.g. introducing carbon-based layered structure, forming interlayer insert composite, placing interlayer composite on substrate and heat-treating, and applying voltage to substrate.

JUNG J H, JUNGWONSUK, KIM T

Manufacture of graphene quantum dots e.g. spotlight used in energy and display applications, involves introducing carbon-based layered structure into reactor, placing interlayer composite on substrate, heat-treating, and exfoliating.

CHUNG J H, JUNG W S, KIM T Y

Single-phase composition for preparing graphene-based compound, comprises hydroxyl group-containing carbon source, saccharide-based compound includes monosaccharide, single-phase composition comprises hydrocarbyl alcohol-based solvent.

PARK O O, LEE S H, IM S H, PARK O, HYUK I

Preparation of tin powder modified high stability nitrogen-doped graphene quantum dot includes mixing citric acid and urea in deionized water, performing ultrasonic dispersion treatment, heating, cooling, washing, shaking and standing.

ZHAO H, XIE H, WANG Y, LU G

Preparing carbon quantum dot comprises mixing hydrogen peroxide, ultrapure water and graphene oxide, transferring to a PTFE inner liner high pressure kettle, sealing with stainless steel shell and heating in an oven.

ZHAO C

Preparing graphene quantum dot-based petroleum liquid product comprises e.g. adding concentrated sulfuric acid and concentrated nitric acid into the petroleum liquid product, ultrasonicating, carrying out oxidation reaction and cooling.

WANG C, PAN C

Preparation of carbon quantum dot involves adding graphene or carbon nanotubes to nitric acid solution, stirring, heating, refluxing and reacting, then adding sodium bicarbonate solution, ultrasonically processing and naturally cooling.

ZHAO Y, HONG Y, FAN X, WANG L

Preparation of graphene quantum dot UV detector used for measuring UV intensity, involves mixing graphene quantum dot, weighing citric acid and benzenediol, ultrasonically treating, heating and washing.

CHEN A, SHI Y, ZHANG Y, XIANG J, MA Y, WANG X