国家/地区 中国（12）
IPC部 C（12）
IPC大类 C01（12）
IPC小类 C01B（12）
IPC C09K011/65（12）
发明人 CHEN W（12）
公开年 2021（4） 2019（2）
申请年 2021（5）  2019（3）  2015（2） 
专利权人 UNIV CHINA T.（7） UNIV SOUTH C.（2）

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 graphene quantum dots with adjustable oxygen content useful for biological imaging or fluorescence detection, comprises performing pre-oxidation treatment, forming second electrochemical system, and performing electrochemical peeling reaction.

LUO Y, PEI X, CHEN J, CHEN W

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

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

Synthesis of graphene quantum dots used for biological cell imaging, by adding water to DNA, dispersing to obtain DNA solution, carrying out high-pressure reaction to obtain brownish yellow material, and separating by centrifuging.

CHEN W, SHEN J, LV G, XU W

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

Preparing graphene and graphene quantum dot comprises e.g. adding deionized water into a container equipped with a stirring device, adding soluble starch at room temperature or heating stirring and then dispersing.

CHEN W, LV G, HU Y, LI Y, CHEN S, LI D, DAI Z

Preparation of graphene quantum dot used for photoluminescence diode involves taking natural graphite powder, adding sodium nitrate, concentrated sulfuric acid and potassium permanganate, stirring, heating, filtering, washing and drying.

CHEN W, ZHANG Q, HUANG Z, XIANG C, QIN Y, ZHENG Z, ZHANG W, ZHANG B