国家/地区
IPC部 B（2）
IPC大类 B01（2）
IPC小类 C01B（2）
IPC C02F001/28（2）
发明人
公开年 2012（2）
申请年 2011（2） 
专利权人

Graphene-iron oxide complex, useful in purification filter for removal of heavy metals, comprises graphene and needle-like iron oxide nanoparticles grown on surface of the graphene.

KOO H Y, CHOI W S, KIM J K, YEONG G H, SAN CHOI W, GYEONG K J

Preparing modified graphene oxide, comprises preparing modified graphite oxide, adding water to resulting modified graphite oxide, performing ultrasonic treatment to obtain a modified graphene oxide solution, and drying the solution.

HOU S, HUANG H, LU H, LIU X, MA H