国家/地区 中国（2）
IPC部 H（2）
IPC大类 H01（2）
IPC小类
IPC
发明人 HE F（2）
公开年 2014（2）
申请年 2014（2） 
专利权人 NAT CENT NANOSCIENCE TECHNOLOGY CHINA（2）

Porous graphene thin film field emitting cathode, has cathode unit provided with cathode substrate that is matched with porous graphene thin film, where porous graphene thin film is connected with multi-hole array.

BAI B, DAI Q, HE F, LI Z, LI C, QIU X, YANG X

Preparation of three-dimensional structured graphene and carbon nanotube material used for optoelectronic device, involves preparing substrate, growing graphene on substrate, patterning, preparing catalyst and growing carbon nanotubes.

LI Z, BAI B, YANG X, DAI Q, HE F, QIU X, KONG X