国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B032/198（3）
发明人 ZHANG C（3）
公开年 2017（3）
申请年 2016（2） 
专利权人

Graphene-based saturable absorber comprises graphene oxide film which is coated on surface of drip coating medium.

ZHANG C, CHEN B, BAI Y

Preparing graphene oxide comprises pressurizing the graphite, mixing intercalation agent and oxidant and carrying out low temperature reaction, obtaining the reaction mixture, separating the reaction mixture to obtain reaction product.

LIU H, ZHANG Z, ZHANG C, HU X

Preparing graphene oxide powder involves weighing humic acid solid particle, placing in hydrothermal reaction tank containing de-ionized water, subjecting to high temperature drying box and cooling to room temperature.

HUANG G, ZHANG C, XING B, KANG W, SI D, GENG Q, DUAN Y, LIU Q, JIA J, MA M, CHEN L