国家/地区 中国（8）
IPC部 C（8）
IPC大类 C01（8）
IPC小类 C01B（8）
IPC C01B032/184（8）
发明人 LI Y（8）
公开年 2022（3）
申请年 2019（2）  2021（2） 
专利权人 UNIV CHINA T.（3） SHANGHAI INS.（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

Preparing wave-absorbing material comprises using mixed solution of organic iron salt and triethylene glycol preparation graphene as mixed solution of organic iron salt and triethylene glycol, carrying out boiling reflux treatment to the mixed solution and separating dry liquid.

XU F, LI Y

Preparing nitrogen-doped graphene noble metal composite film, comprises coating mixture made of graphene oxide solution, water-soluble noble metal compound and water-soluble amine cross-linking agent e.g ethylenediamine, drying film, and heating under the protection of inert gas.

CHENG J, LI Y, ZHANG P, AN X

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

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

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