国家/地区 日本（4）
IPC部 B（4）
IPC大类 B82（4） C01（4） C09（4）
H01（3）
IPC小类 B82Y（4）
IPC B82Y040/00（4）
发明人 TETSUKA H（2） TETSUKA HIROYUKI（2） TEZUKA H（2）
公开年 2012（2）
申请年 2011（2） 
专利权人 TOYOTA CHUO .（2）

Preparation of graphene quantum dots of different oxygen content used in fluorescent material, involves dispersing graphene oxide in peroxide solution, mixing dispersion with lye, purifying to obtain powder, and performing gradient elution.

ZHANG L, ZHANG M

Manufacture of graphene quantum dots from carbon source, involves exposing carbon source chosen from coal, coke, biochar, and/or asphalt to solution containing oxidant, and forming graphene quantum dots.

TOUR J M, METZGER A, YE R, MANN J, TOUR J

Nitrogen-containing graphene structure for fluorescent substance dispersion liquid, has single layer or multilayer graphene nanosheet, and nitrogen is introduced into graphene structure.

TETSUKA HIROYUKI, OKAMOTO KAZUO, TEZUKA H, OKAMOTO K, TETSUKA H

Light emitting component for e.g. light emitting element, has coating material coated on surface of base material having graphene structure.

TETSUKA HIROYUKI, TEZUKA H, TETSUKA H