国家/地区 中国（4）
IPC部 C（4）
IPC大类 C23（4）
IPC小类 C23C（4） C01B（2）
IPC C23C016/26（4）
发明人 ZHANG J（4）
公开年 2019（2）
申请年
专利权人 BEIJING GRAP.（2） UNIV PEKING（2）

Improving cleanliness of graphene film comprises subjecting graphene film to high-temperature treatment in vacuum environment, and carrying out chemical vapor deposition method.

CHEN H, XUE R, LIU X, ZHANG J, LI G, PENG H, LIU Z

Cleaning method of graphene comprises rolling the surface of graphene through curved body provided with adsorbent on curved surface.

LIU Z, PENG H, SUN L, LI Y, LIU X, LIN L, ZHANG J, JIA K

Preparation method for preparing graphene-metal composite material involves stacking graphene-metal composite raw material and sintering graphene-metal composite raw material to produce graphene-metal composite material.

ZHANG J, BAI H, XIONG L, LUO J, CHEN G, JIANG D, HANG C

Annealing sapphire substrate used for transfer of graphene, by introducing hydrogen, argon and methane gases into copper foil, soaking in ferric pernitrate and acetone, and rinsing with ethanol and deionized water, passing into argon gas.

WANG D, CHAI Z, NING J, ZHANG J, HAN D, HAO Y, YAN Y