国家/地区 中国（24） 世界知识产权组织（13） 美国（12） 日本（9） 韩国（6） 欧洲专利局（EPO）（5） 法国（2） 台湾（2）
IPC部 B（39）
IPC大类 C01（39）
IPC小类 C01B（39）
IPC C09K003/00（39）
发明人 LIU Y（9） FENG D（2） LEE H Y（2）
WANG X（2）
公开年 2016（7） 2021（5） 2011（4） 2015（4） 2013（3） 2014（3） 2022（3） 2012（2） 2018（2） 2020（2）
申请年 2015（11）  2012（4）  2020（4）  2021（4）  2010（3）  2013（3）  2018（3）  2009（2）  2022（2） 
专利权人 LIU Y（8） FENG D（2） UNIV BEIJING.（2） UNIV SUNGKYU.（2）

Preparing modified graphene quantum dots involves mixing graphene oxide, hydrogen peroxide and N,N dimethylformamide, subjecting resulting dispersion to solvothermal reaction to obtain GQDs (graphene quantum dots), mixing GQDs, 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride.

WU L, CAI F, CHEN G, GUO Y, ZHAO Q

Graphene material used in substrate for sustained release of non-aqueous component, having specific total porosity and open porosity.

MURAMATSU K, TAKAHASHI K, IWATA H, SUTANI K, YABUMOTO H, IWATA E

Preparing wave-absorbing material comprises using mixed solution of organic iron salt and triethylene glycol preparation graphene as mixed solution of organic iron salt and triethylene glycol, carrying out boiling reflux treatment to the mixed solution and separating dry liquid.

XU F, LI Y

Preparing high frequency soft magnetic ferric oxide/tin dioxide/graphene composite wave absorbing material for communication device, involves preparing oxidation graphene dispersion ultrasonically dispersing concentration prepared by hummer's method graphene then adding distilled water.

WANG J, CUI D

Optical absorption material used for light absorption composition comprises film-like carbon structure which consists of graphenes having plate-shaped aggregate where the film-like carbon structure does not contain a metallic element.

FURUBAYASHI H, IKEDA T, KANO S, AOYAGI Y

Preparing nitrogen-doped reduced graphene oxide aerogel used for preparing microwave absorbing material, by mixing graphene oxide dispersion liquid, urea and ethylene glycol, performing hydrothermal reduction reaction, placing hydrogel in ethanol aqueous solution, and freeze-drying.

WANG W, WANG X, DOU F

Preparation of boron carbonitride nanosheet used as supercapacitor electrode material for, e.g. catalytic adsorption material by weighing and mixing carbon source, boron source and nitrogen source, drying, grinding, degassing, and heating.

YU W, XIN B, LUO J, SHEN D, KONG F, YU M, LIU Y, YUAN X, FAN M, ZHU R

Infrared absorbing composition used in device, in layered structure as infrared emitter/absorber, to prepare surface to absorb infrared radiation and making coatings comprises layer of metal carbides and nitrides material.

HAN M, GOGOTSI 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

Preparation of cobalt selenide/nitrogen and phosphorus co-doped graphene composite material used as electromagnetic wave absorbing material, by heating solutions of selenium powder, triphenylphosphine and cobalt acetylacetone, reacting.

ZHANG D, ZHAO J, SUN W, WANG X, YANG J