国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B032/186（2）
发明人 LI Z（2）
公开年 2019（2）
申请年 2019（2） 
专利权人

Preparation of two-dimensional graphene film layer involves polishing low-carbon soluble material, annealing, heating, providing high-purity porous graphite, subjecting to chemical vapor deposition by passing carbon dioxide, and heating.

LIU L, LI Z, LI W

Preparation of graphene-carbon nanotube three-dimensional composite used in ultra-fast photodetector by cutting growth substrate silicon piece, ultrasonically cleaning in acetone, ethanol and deionized water, drying, and placing on boat.

WEI X, WANG X, LI X, LIU W, SHI L, LI Z, LU J