国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B031/04（2） C01B032/184（2）
发明人
公开年 2016（3）
申请年 2016（2） 
专利权人 UNIV PEKING（3）

Preparing sulfonated graphene for detecting heavy metal ions involves dispersing oxidized graphite in chloroform solution to obtain oxidized graphene dispersion liquid and adding chlorosulfonic acid or concentrated sulfuric acid.

WANG Y, CAO P, ZHAI M, CHEN B, PENG J, LI J

Preparation of wrinkle-free graphene involves selecting high-purity copper as substrate, using hydrochloric acid or nitric acid solution to remove surface impurities and placing cleaned copper in chemical vapor deposition furnace.

FU Y, GONG X, PENG P, REN L, WANG Z, GU Y, TIAN Z

Transferring graphene on plastic substrate comprises e.g. growing graphene on metal substrate surface, heating, sequentially stacking. immersing in water, separating the metal substrate layer.

DENG B, LIU Z, PENG H