国家/地区 中国（11）
IPC部 C（11）
IPC大类 C01（11） C09（11） B82（9）
G01（4）
IPC小类 C01B（11）
IPC C09K011/65（11）
发明人 LIU X（11）
公开年 2021（4） 2020（2）
申请年 2021（5）  2019（2） 
专利权人 UNIV CHINA T.（6）

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

Graphene quantum dot fluorescent film used for preparing laser diode light emitting device comprises graphene quantum dot aqueous solution dissolved in dimethylformamide or aqueous solution, and silane coupling agent KH-792.

YANG Y, HE P, ZHENG J, LIU X, XIAO B, XU B

Preparation of graphene quantum dot for use in e.g. optoelectronic device, involves hydrothermally reacting phloroglucinol solution, cooling, and centrifuging to obtain supernatant as aqueous solution of graphene quantum dots.

CHEN W, LV G, SHEN J, LI D, LI Y, LIU X, DAI Z

Synthesizing graphene quantum dot useful in biological field, comprises dissolving dextran in water, stirring and dispersing, adding dextran solution into a reaction kettle, hydrothermally reacting, centrifuging and separating.

CHEN W, SHEN J, LV G, XU W, LIU X, LI D, LI Y

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