国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4） C09（4）
IPC小类 C01B（4）
IPC C09K011/65（4）
发明人 ZHANG S（4）
公开年
申请年
专利权人

Preparing graphene quantum dot nano cluster involves preparing quantum dot precursor by using concentrated nitric acid to oxidize the anthracene to obtain the quantum dot precursor, and ultrasonically dispersing surfactant in sodium hydroxide solution to obtain the pre-treated alkali solution.

ZHANG S, YAN H, XU N, ZHAO J, ZHANG R

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 fluorescent graphene oxide comprises e.g. performing graphite sheet pretreatment, adding phosphorus pentoxide and potassium persulfate, sonicating, filtering, treating filtrate to remove N,N-dimethylformamide, and vacuum drying.

ZHANG S

Preparation of graphene quantum dot involves preparing graphene oxide by Hummers method, ultrasonically dispersing resultant in water, mixing resultant with hydrogen peroxide and trivalent iron solution, irradiating and drying.

LI B, LI W, ZHANG S, JIN X, YANG P