国家/地区 中国（17）
IPC部 C（17）
IPC大类 C09（17） B82（13） C01（11）
G01（7）
IPC小类 C09K（17） B82Y（13） C01B（11）
G01N（7）
IPC C09K011/65（17）
发明人 LIU X（17）
公开年 2021（5） 2022（3） 2020（2） 2023（2）
申请年 2021（7）  2022（3）  2012（2）  2019（2） 
专利权人 UNIV CHINA T.（7） UNIV JILIN（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

Fluorescent sensing array detection platform for various plasticizers comprises N,N-dimethylformamide as boron-doped graphene quantum dots solution of solvent and boron-doped graphene quantum dot solution using cyclohexane as solvent.

LUO H, CHEN S, HUO D, LIU X, HOU C, LIU H

Preparing green fluorescent graphene quantum dot useful in selective detection of metal ions aluminum (III) ion and iron (III) ions in aqueous solutions comprises dissolving reactive red 2 in water, adding L-cysteine , mixing and hydrothermally reacting.

LI D, LIU X, ZHOU Y, YAN J

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

Preparing nitrogen, and bromine co-doped graphene quantum dot material comprises dispersing and uniformly mixing sodium azide and hexabromobenzene in a liquid, then carrying out drying treatment, heating the reactor for inducing a deflagration reaction, and purifying.

QIU X, PENG Y, ZHENG D, LIU X, XIA Z

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

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

NGQD/ferrous oxide/graphene foam composite film used as sensitive layer in butyraldehyde gas sensors, comprises graphene foam substrate which is loaded with iron oxide nanospheres embedded with aminated graphene quantum point.

SHAO S, LIN J, XIA Y, LIU X

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

Nitrogen-doped graphene quantum dot derived from nanomaterial-lignin useful in field of biological medicine, comprises nanomaterial lignin powder, yttrium oxide powder, alumina powder, and silicon nitride powder.

CHEN W, ZHAO Z, LOU R, LIU X, CHENG K, JIAO X