国家/地区 美国（4） 中国（2） 日本（2） 韩国（2）
IPC部 C（4）
IPC大类 C01（4） D01（4） H01（2）
IPC小类 C01B（4）
IPC C01B031/04（4）
发明人 CHOI J（2） CHOI J Y（2） IN Z（2）
SHIN H（2） SHIN H J（2） YOON S（2）
YOON S M（2）
公开年 2009（2） 2010（2）
申请年 2008（4）
专利权人 SAMSUNG ELEC.（2）

Producing nano graphene platelet material, useful e.g. as conductive additive in transparent electrodes for solar cells, comprises subjecting graphitic material to supercritical fluid e.g. water and then rapidly depressurizing the fluid.

JANG B Z, ZHAMU A

Device for cutting graphene, includes reception to receive graphene, cutting element loaded with catalytically active material in cutting edge area, device to displace reception and cutting element with the cutting edge, and heating device.

KIRSTEIN S, RABE J P, SEVERIN N, RABE J

Single-crystal graphene sheet, useful in a transparent electrode in electrical devices or electromagnetic devices including display devices and solar cells, comprises a polycyclic aromatic molecule and specified layers.

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

Preparing graphene shell comprises performing first heat treatment on a mixture of organic solvent and graphitization catalyst to carburize the catalyst, and forming the shells on surfaces of carburized catalyst by second heat treatment.

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