国家/地区 中国（6）
IPC部 C（6）
IPC大类 C01（6）
IPC小类 C01B（6）
IPC C01B031/04（6） C01B032/184（4）
发明人 SHI G（6）
公开年 2015（3） 2016（3）
申请年 2015（6）
专利权人 UNIV TSINGHU.（2）

Preparation method of nitrogen doped graphene quantum point, involves adding acetylene black, concentrated nitric acid and deionized water to reflux device, setting heating temperature, and maintaining reaction liquid to slightly boil.

HU Z, LI X, SHI G, TANG L

Preparation of graphene by mixing graphite raw materials, potassium ferrate and aspartic acid, ball-milling, washing with hydrochloric acid, centrifuging, washing with distilled water, centrifuging, and drying powder.

HUANG X, JIANG X, WANG J, SHI G, CAO L

Carbon nanotube/graphene composite film comprises graphene layer and carbon nanotube, prepared by taking graphene, adding polar solvent, stirring, adding additive, taking polymer carbon source, and dissolving in polar solvent.

JU S, JIANG D, JIANG C, SHI G, ZHANG J

Preparation of graphene oxide hydrogel for manufacturing e.g. graphene oxide fibers, involves annealing graphene oxide dispersion, or mixing graphene oxide dispersion and acid solution and carrying out sol-gel phase transition reaction.

LI C, LIU Q, SHI G, ZHANG M

Purification of graphene quantum dots involves taking graphene quantum dot dispersion, adding didodecyl dimethyl ammonium bromide, sonicating, adding hexane or chloroform, ultrasonically agitating, removing aqueous phase, and extracting.

CHEN L, FANG H, SHI W, SHI G, XU G, WANG L, WU M, PENG B

Graphene material size fractionation involves dispersing graphene material in solvent, obtaining graphene material dispersion liquid, passing through porous membrane, and separating graphene material with different size.

CHEN J, SHI G