国家/地区 中国（6）
IPC部 C（6） B（2）
IPC大类 C01（5） C09（3）
IPC小类 C01B（5） C09K（3）
IPC C01B031/04（5） C09K011/65（3）
发明人 HE P（6）
公开年 2014（6）
申请年 2013（3）  2014（3） 
专利权人 SHANGHAI INST MICROSYSTEM INFORMATION（6）

Preparing graphene oxide quantum dots comprises adding citric acid to concentrated sulfuric acid, and carrying out reaction to form quantum dot graphene oxide solution.

XIE X, DING G, JIANG M, HE P

Preparing graphene aqueous solution comprises mixing graphene powder and graphene quantum point and water mixture to obtain graphene suspension, and mechanically dispersing the suspension.

XIE X, JIANG M, TIAN S, DING G, HE P, SUN J

Preparation of graphene comprises dispersing natural graphite in polar solvent to obtain graphene quantum dots in polar solution, and mechanical stripping.

XIE X, JIANG M, TIAN S, DING G, HE P, SUN J

Nanofiltration membrane for preparing fluorescent graphene quantum dots contains functional layer containing set of filter holes and supporting layer containing set of filter holes in which supporting layer is connected to functional layer.

XIE X, JIANG M, XU X, YANG S, LI X, DING G, SUN J, HE P

Preparing graphene oxide powder comprises adding graphite oxide in aqueous solution of graphene oxide quantum dots to form a mixed solution of graphene oxide and ammonium salts of the quantum dot.

XIE X, JIANG M, DING G, SUN J, HE P

Purifying graphene oxide quantum dots involves mixing aqueous solution of oxidized graphene quantum dots with surfactant to form mixed solution, followed by adding non-polar solvent, extracting graphene oxide quantum dots, and drying them.

XIE X, JIANG M, DING G, SUN J, HE P