国家/地区 中国（6）
IPC部 C（6）
IPC大类 C01（6） C09（6） B82（2）
IPC小类 C01B（6）
IPC C09K011/65（6）
发明人 WANG H（6）
公开年 2017（2）
申请年 2017（2） 
专利权人 UNIV DONGHUA（2）

Preparing lignin-based graphene quantum dot material for anti-counterfeiting and biological imaging, involves dissolving acid medium or alkaline medium and oxidant in deionized water, filtering, collecting filtrate, and sonicating.

LI K, CHEN L, WANG R, ZHANG S, MIN Y, WANG H

Preparing amino-functionalized graphene quantum dot involves utilizing citric acid, amino acid source, and de-ionized water as raw materials, dissolving, mixing, carrying out hydrothermal reaction, cooling, and then filtering.

GUO X, WANG H, WANG L, MENG J, LUO Y, ZHU X, XIANG Y

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

Supercritical continuous hydrothermal synthesis of graphene quantum dot comprises placing deionized water into a heater, heating, dispersing oxidized graphene uniformly in water, mixing with p-sulfonic acid calixarene and stirring.

YU D, LUO T, CAO C, HAN J, WANG S, ZHANG X, LIU W, WANG H, LI G, SONG 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

Making polychromatic fluorescent polyetherimide functionalized graphene quantum dots involves dispersing graphene oxide in ethanol/water, adding ammonium hydroxide and polyetherimide, then placing into reactor, cooling, filtering and drying.

GUO B, WANG H, WANG J, WANG X