国家/地区 中国（10）
IPC部 C（10）
IPC大类 C01（10）
IPC小类 C01B（10）
IPC C09K011/65（10）
发明人 LI Y（10）
公开年 2016（2） 2021（2）
申请年 2019（3）  2015（2） 
专利权人 UNIV CHINA T.（3） SHANGHAI INS.（2） UNIV DONGHUA（2）

Preparing magnetic graphene quantum dot for preparing imaging contrast agent and in-vitro diagnostic probe, involves subjecting ferrous ascorbate aqueous solution to hydrothermal reaction, where contrast agent is nuclear magnetic resonance-fluorescence double-mode enhanced imaging contrast agent.

XIE X, DING G, DONG H, YANG S, LI Y

Paramagnetic chiral graphene quantum dot useful for monitoring interaction between chiral molecules, comprises e.g. chiral graphene quantum dots and chelating agent form covalent bond through mutual functional group reaction.

DONG H, LI Y, YANG S, TAO Q, DING G, XIE X

Method for preparing carbon quantum dots comprises placing carbon material on carbon cloth to prepare electrode, and performing electrolysis in electrolyte with electrode as anode to prepare carbon quantum dots.

YANG F, BAO W, LI Y

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

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 water-dispersible nitrogen doped graphene quantum dot involves taking graphite oxide, reducing agent and nitrogen source, dispersing in water, ultrasonicating, performing hydrothermal reaction, and freeze drying.

LI Y, XIE H, HOU C, WANG H, ZHANG Q

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

Preparing methoxy group-containing graphene quantum dots comprises e.g. reacting graphite powder, sulfuric acid and nitric acid, preparing pre-oxidized graphite and graphite oxide, and ultrasonically dissolving graphite oxide in methanol.

LI Y, WANG H, ZHANG Q, WEI J

Preparing graphene oxide useful as near infrared fluorescent probe pH indicator, comprises e.g. preparing solid pre-oxidized graphite, adding sulfuric acid, heating, adding hydrogen peroxide, centrifuging and ultrasonic processing.

JIN Q, LI Y, SUN Y, WANG L, WU H, SHAO K, HU Y, YU Y, LIU B