国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC
发明人 CHEN W（2）
公开年 2011（2）
申请年 2010（2）
专利权人

Preparing graphene by reduction of sulfur-containing compounds comprises dissolving graphene oxide in solvent by ultrasonic wave to obtain uniform dispersion solution, adding sulfur-containing compounds, warming, washing and freeze-drying.

YAN L, CHEN W

Graphene composite photocatalyst used for e.g. purifying air and treating sewage, has heterogeneous surface structure having graphene layers and semiconductor photocatalyst covered with graphene layers.

CHEN W, LIU J