国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B032/184（2）
发明人 XIANG C（2）
公开年
申请年 2017（2）
专利权人

Biopolymer-based three-dimensional graphene is obtained by absorbing cobalt ions by biopolymer, performing high-temperature carbonization, and washing with concentrated nitric acid.

XIANG C, LIU Y, ZOU Y, SUN L, XU F

Preparation of graphene quantum dot used for photoluminescence diode involves taking natural graphite powder, adding sodium nitrate, concentrated sulfuric acid and potassium permanganate, stirring, heating, filtering, washing and drying.

CHEN W, ZHANG Q, HUANG Z, XIANG C, QIN Y, ZHENG Z, ZHANG W, ZHANG B