国家/地区 中国（8）
IPC部 B（8）
IPC大类 B82（8）
IPC小类 B82Y（8）
IPC B82Y040/00（8）
发明人 LIU X（8）
公开年 2021（4）
申请年 2021（5） 
专利权人 UNIV CHINA T.（4）

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 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-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

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

Ultra-small blue-green double-emitting nitrogen- and chlorine-doped graphene quantum dot prepared by e.g. dissolving citric acid and 1,2,4-triaminobenzene dihydrochloride in deionized water, stirring and reacting.

YANG L, SUN X, WEI M, LIU X, LIU H, YANG W

Adjusting photoluminescence properties of graphene quantum dots involves processing graphene quantum dots with ultraviolet light, and then processing graphene quantum dots hydrogen peroxide.

LI Y, LIU X