国家/地区 中国（4） 美国（4） 日本（3） 世界知识产权组织（3） 欧洲专利局（EPO）（2） 韩国（2）
IPC部 B（7）
IPC大类 B82（7）
IPC小类 B82Y（7）
IPC B82Y020/00（7）
发明人
公开年 2015（5）
申请年 2014（7）
专利权人

Photoelectric conversion element for solar cell, has graphene nano ribbon that joins p type semiconductor and n type semiconductor and includes armchair-type edge portion.

ONABE S, OKADA S

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

Fabrication of graphene quantum dots used in e.g. electronic product, involves heating mixture of graphite powders with metallic hydrate salt to form intercalation compound by inserting metal ions, and redispersing in solvent.

JEON S, KIM B, SONG S, JEON S W, KIM B H, SONG S H

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

Apparatus for producing blackbody spectrum, has thermal spreading layer which includes graphene sheet that is configured to reduce spatial variation of heat in plane of thermal spreading layer.

CHOW J R, KETOLA K S, LA KOMSKI D M, TOWNSEND C W, ELIAS W E, MARBLE S J, LAKOMSKI D M

Making zero dimensional graphene quantum dots used in e.g. sensing, comprises placing graphite oxide in furnace, flushing furnace with inert gas, introducing hydrogen into furnace, heating graphite oxide in presence of hydrogen and cooling.

SUNDARA R, BABY T T, KANIYOOR A

Extracting graphene quantum dot from coal comprises mixing coal powder with hydrochloric acid solution and then stirring, refluxing mixture, filtering refluxed mixture, and repeatedly washing coal powder using deionized water.

CHI Y, DONG Y, LIN J