国家/地区 韩国（4） 美国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01J（4）
IPC C01B031/04（4）
发明人 CHOI J（4）
公开年
申请年
专利权人 SAMSUNG ELEC.（4） UNIV SUNGKYU.（3） UNIV SUNGKYU.（2）

Restoring properties including charge neutrality point, doping state, carriers and conductivity of graphene used for silicon treatment of graphene, comprises grounding graphene, and exposing graphene to plasma having specified density.

CHOI J, YOO W, LEE S, LIM Y, CHOI J Y, LEE S H, LIM Y D, YOO W J

Forming graphene nano ribbon used in display device involves depositing graphene sheet on surface of substrate, forming plasma mask with nano pattern on sheet, and forming nano pattern in sheet by plasma treating stack structure having mask.

SHIN H, CHOI J, LEE Y, HAN G, CHOI J Y, HAN G H, LEE Y H, SHIN H J

Graphene used for device and graphene sheet, comprises etched edge portion comprising functional group of carbonyl, carboxy, hydroxy, formyl and/or oxycarbonyl.

CHOI J, CHOI W M, HONG B H, CHOI W, HONG B

Preparing graphene sheet, useful in e.g. electrical device, comprises forming film comprising graphitizing catalyst, heat-treating gaseous carbon source in presence of the catalyst to form graphene, and cooling graphene to form sheet.

CHOI J, SHIN H, YOON S, CHOI J Y, SHIN H J, YOON S M, IN Z