国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08F（2）
IPC C08F292/00（2）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Preparing defective graphene surface-enhanced Raman scattering substrate comprises e.g. adding silver nitrate and polyvinylpyrrolidone to dimethylformamide, reacting, obtaining silver nanoparticle after cooling, and washing and centrifuging.

CHEN S, LIANG Y, DAI Z

Preparing graphene-based sound-absorbing filler by grafting modified substance with unsaturated bond onto surface of graphite oxide, and adding initiator to promote polymerization reaction between unsaturated bonds.

JIANG C, LI Y