国家/地区 中国（5）
IPC部 C（5）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C09K011/08（5）
发明人 ISAJI T（2） ISAJI TADAYUKI（2） KAWASAKI T（2）
MASAHIRO U（2） NAOKI O（2） OTANI N（2）
OTANI NAOKI（2） TADAYUKI I（2） TAKAYOSHI K（2）
UEDA M（2） UEDA MASAHIRO（2）
公开年 2016（2） 2017（2）
申请年 2016（2） 
专利权人 NISSAN CHEM .（2） NISSAN CHEM .（2）

Production of carbon-based light emitting material e.g. graphene quantum dots, involves mixing and heating raw material comprising ascorbic acid, acid catalyst, and solvent to obtain material emitting light having preset wavelength.

ISAJI TADAYUKI, OTANI NAOKI, MAEDA SHINICHI, UEDA MASAHIRO, KAWASAKI TAKEYOSHI, ISAJI T, OTANI N, MAEDA S, UEDA M, KAWASAKI T, TADAYUKI I, NAOKI O, SHINICHI M, MASAHIRO U, TAKAYOSHI K

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 carbon-type luminescent material e.g. graphene quantum dot, involves mixing and heating raw material comprising polycarboxylic acid, acidic catalyst, and solvent.

ISAJI TADAYUKI, OTANI NAOKI, UEDA MASAHIRO, KAWASAKI TAKAYOSHI, ISAJI T, OTANI N, UEDA M, KAWASAKI T, MASAHIRO U, NAOKI O, TADAYUKI I, TAKAYOSHI K

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