国家/地区 欧洲专利局（EPO）（4）
IPC部 B（4）
IPC大类 B01（4） C01（4） B82（3）
H01（2）
IPC小类 B01J（4）
IPC B01J023/755（4）
发明人
公开年 2014（2）
申请年 2014（2） 
专利权人 SAMSUNG ELEC.（2）

Metallic compound-graphene oxide composite used as photocatalyst in production of hydrogen, has no absorption derived from carbon-oxygen groups, hydroxyl groups, and carbonyl groups when metal compound in composite is molybdenum compound.

HASHIMOTO H, ISOBE K, HORIBE T, SERA Y, YAMASHITA E, KIYOSHI I

Preparing graphene, which is used for manufacturing semiconductor circuit, comprises supplying gas including carbon dioxide, methane and water on metal catalyst, and reacting and cooling the resultant.

SON I H, LEE S J

Preparation of porous graphene involves processing biomass-based carbon source with catalyst, obtaining intermediate product and heat-preserving intermediate at predetermined conditions.

ZHU J, LIU Z, ZHOU G, LIU D, LIU X, TANG Y, WANG E, ZHANG J, ZHENG Y

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