国家/地区 韩国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC C01B031/02（2）
发明人 PARK H（2）
公开年
申请年
专利权人

Composite film, has oxide graphene coating layer whose contact angle is maintained on porous polymer supporter at specific degrees, where width of oxide graphene coating layer is in specific range.

PARK H B, KIM H W, CHO Y, YOO B M, HWANG Y S, HO B P, HWANG Y, KIM H, PARK H, YOO B, ZHAO Y

Preparing graphene oxide that is useful in e.g. transistor, comprises e.g. diluting washed graphite oxide with excess of deionized water and then filtrating using filter, and vacuum drying filtered graphite oxide and heating.

PARK H, KIM S H