国家/地区 中国（7）
IPC部 C（7）
IPC大类 C01（7）
IPC小类 C01B（7）
IPC C01B032/184（7）
发明人 WU Y（7）
公开年 2021（3） 2019（2）
申请年 2019（3）  2020（2） 
专利权人 UNIV XIAN JI.（2）

Preparation of graphene quantum dots used as e.g. fluorescent (closed) probe, involves carbonizing sea rice, dispersing in alkali solution, oxidizing with hydrogen peroxide, adjusting pH to neutrality, filtering, and dialyzing.

ZHENG C, LIANG Z, KANG X, WU Y, LUO X, LUO K, WEN Y

Preparing composite wave absorbing material involves taking N,N-dimethylformamide and ethylene glycol in beaker, and mixing, weighing graphite oxide, sonicating, stirring, and adding nickel nitrate hexahydrate and zinc nitrate hexahydrate.

SHU R, DENG L, WU Y, LI X

Preparing the graphene modified polymer composite material comprises comprising e.g. preparing natural crystalline flake graphite by Hummers method to form graphene oxide, dispersing in aqueous solution and performing ultrasonic treatment.

CHEN J, HE M, LI L, WANG K, XUE Y, HE Y, WANG Y, ZHANG J, LU Y, LU X, LU P, WU Y, FU X, LUO G, YANG X, LIU G, LIU Y, YE W

Preparing cigarette butt based graphene composite material, comprises e.g. purifying waste cigarette butt, and reacting with nickel foam, methacrylic acid, manganese(II) chloride hydrate and iron(III) nitrate nonahydrate.

LI W, WU Y, ZHANG J, ZHAO D

Preparing graphene quantum dot material comprises e.g. heating a carbon source, forming crude product of graphene quantum dot material, cooling, dispersing cooled product in a dispersion solvent and forming dispersion liquid first.

WU Y, HE L, PAN A

Preparing amphiphilic graphene quantum dot material involves mixing carbon source and nitrogen dopant to form mixture, heating mixture, carbonizing mixture into brown-black product to obtain amphiphilic graphene quantum dot material.

WU Y, HE L, PAN A

Biomass-based high-efficiency fluorescent graphene quantum dot comprises nitrogen source, polyvalent metal ion, composite carbon source, and water.

LIU Y, WU Y