国家/地区 法国（2）
IPC部 B（2） C（2）
IPC大类 B82（2）
IPC小类 B82B（2）
IPC B82B003/00（2）
发明人 BEGIN D（2）
公开年
申请年 2009（2）
专利权人 CENT NAT REC.（2）

Making dispersion of graphene particles or sheets comprises providing block of solid material made of graphite, scraping material surface of substrate and dipping substrate in liquid medium and subjecting liquid medium to ultrasound.

JANOWSKA I, BEGIN D, CHIZARI K, ERSEN O, BERNHARDT P, ROMERO T, LEDOUX M, PHAM H C

Preparing dispersion of graphene particles or flakes, useful e.g. in electronics, comprises supplying a carbon-based material, dispersing the material in an aqueous liquid, heating the dispersion and separating the graphene dispersion.

BEGIN D, ERSEN O, JANOWSKA I, LEDOUX M J, PHAM H C