国家/地区 中国（40） 韩国（6） 世界知识产权组织（2）
IPC部 C（47）
IPC大类 C09（47）
IPC小类 C09K（47） B82Y（33） C01B（23）
G01N（10） H01L（4） A61K（3）
A61P（2） C01G（2） H01M（2）
IPC C09K011/65（47）
发明人 WANG L（6） LI M（4） WANG X（4）
WANG Y（4） CHEN A（3） DAI L（3）
LI W（3） LI Y（3） LIU Y（3）
CHENG R（2） DU F（2） KHAN F（2）
KIM J H（2） LIAO X（2） LU G（2）
公开年 2018（37） 2020（7） 2019（3）
申请年 2018（47）
专利权人 UNIV SHANGHA.（3） UNIV WENZHOU.（3） DAEGU GYEONG.（2） DREAM FACTOR.（2）
JIANGSU ANNA.（2） UNIV GACHON .（2） UNIV GUILIN .（2） UNIV SHANGHA.（2）

Composite material useful in quantum dot light-emitting diode, comprises graphene quantum dots and specific groups bound to the surface of the graphene quantum dots.

SU L, XIE X, TIAN Y, SUI J, HUANG H

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

Multi-fluorescent nitrogen-doped graphene quantum dots in selective determination of iron ions in solution, prepared by e.g. performing electrolysis, centrifuging the electrolytic solution to obtain solid powder, separating and purifying.

ZHI J, FU Y, GAO G

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

Low-cost fluorescent graphene material comprises sodium nitrate, carbon, potassium permanganate, and inevitable impurities.

YOU C, WANG M

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

Zinc oxide graphene composite quantum dots useful in light emitting diode for emitting blue light, comprise zinc oxide quantum dots and graphene bonded via zinc-oxygen-carbon bond.

CHOI W K, HEE K, LEE Y J, KIM C

Extracting fluorescent nanostructures from carbon source involves chemically reacting carbon source into powder by ball milling and mixing with reducing agent, where fluorescent nanostructure comprises graphene quantum dots.

XIANG C