国家/地区 中国（28）
IPC部 B（28）
IPC大类 B82（28） C01（28） H01（9）
C09（8） G01（6） B01（2）
C23（2）
IPC小类 B82Y（28）
IPC B82Y040/00（28）
发明人 LIU X（28）
公开年 2021（7） 2016（4） 2020（4） 2022（4） 2014（2） 2015（2）
申请年 2021（9）  2014（3）  2022（3）  2012（2）  2015（2）  2016（2）  2018（2）  2019（2）  2020（2） 
专利权人 UNIV CHINA T.（4） UNIV ANHUI N.（2） UNIV BEIJING.（2） UNIV NANJING.（2）

Preparing nitrogen and sulfur co-doped pH responsive graphene quantum dots used in pH value responsive reagent for selective iron detection, involves mixing carbon source compound and nitrogen and sulfur source compound, carrying out a hydrothermal reaction, centrifuging and filtering.

LI D, YAN J, ZHOU Y, LIU X

Preparing reduced graphene oxide loaded lead oxide composite material useful for lead-carbon battery comprises e.g. mixing graphene oxide dispersion liquid with aniline, lead acetate solution, hydrothermally reacting, condensing, freeze-drying, and calcining composite material aerogel.

YANG H, TAO D, LIU X, ZHANG Q

Preparation of graphene material used e.g. in preparing wearable electronic device comprises using carboxymethyl chitosan as raw material, and using laser-induced method to prepare graphene material.

TAN C, LIU X, YE H, HUANG Q

Preparing graphene quantum dots of supramolecular structure comprises e.g. mixing phloroglucinol with deionized water, dispersing, adding solution into autoclave, controlling temperature, naturally cooling, dropping brownish-yellow solution on glass sheet, placing into blast drying oven, and drying.

DAI Z, LIU X, SHEN J, REN H, LV G, CAO J, CHEN W

Preparation of graphene-coated natural graphite material used for preparing cathode, involves ultrasonically-dissolving graphene powder in solvent to obtain graphene dispersions of different concentrations, mixing with natural graphite, passing mixed solution into spray dryer and drying.

CAO R, LIU X, SONG H

Preparing nitrogen-doped carbon quantum dots used in metal probes, photoelectrocatalysis and bioimaging, involves dispersing urea, sodium citrate and graphene oxide in water and mixing them into uniform and clear liquid.

HUANG Q, LIU X, LIAO H, GAO H, GONG S

Gas phase physical stripping method of graphene powder for producing graphene used for anode of photovoltaic device. Can also be used in solar cell, involves selecting scaly graphite with high purity as raw material for producing graphene.

YANG Z, LI W, LIU X

Preparing fluorescent graphene quantum dots used for organic dye preparation, such as methylene blue and reactive blue 19, involves placing organic dye orange yellow in hydrothermal reaction kettle, and performing hydrothermal reaction.

LIU X, SHEN J, CHEN W

Preparing blue fluorescent graphene quantum dots with reactive red for detecting metal ion aluminum cation in aqueous solution, by placing organic dye reactive red 2 in hydrothermal reaction kettle and hydrothermal reacting.

LIU X, HUANG W, CHEN W, SHEN J

Graphene quantum dot/zinc oxide/chlorella composite film used as sensitive layer on gas sensor, preferably methanol gas sensor, comprises zinc oxide nano crystal grain, carbonized chlorella, graphene quantum dot and platinum nanoparticle.

SHAO S, LIN J, XIA Y, LIU X