国家/地区 中国（3）
IPC部 D（2） H（2）
IPC大类 D01（2） H01（2）
IPC小类 D01F（2）
IPC D01F009/12（2）
发明人 LIU L（3）
公开年
申请年
专利权人 UNIV SHANDONG SCI TECHNOLOGY（3）

Preparing nitrogen-doped hollow carbon sphere modified graphene composite fiber used in electrical field, involves dispersing nitrogen-treated hollow carbon ball in water, and adding dispersion liquid to non-liquid crystal graphene oxide solution.

DING J, ZHANG R, YU X, LIU L

Preparation of wrinkled graphene fibers in preparation of wearable electronic devices, involves using syringe pump to inject prepared graphene oxide solution into coagulation bath, and setting gap between needle and coagulation bath.

LIU L, YANG J, ZHANG R, YU Q

Optical pumping based graphene substrate-free terahertz wave amplifying device, has terahertz radiation detection device provided with femto-second laser, time delay control system, full-reflecting mirror and convergent lens.

LIU L, ZHANG H, YIN Y, ZHANG Y, ZHANG X