国家/地区 中国（2）
IPC部 B（2）
IPC大类 G02（2）
IPC小类 G02B（2）
IPC G02B005/22（2）
发明人
公开年
申请年 2022（2）
专利权人

Preparing modified graphene quantum dots involves mixing graphene oxide, hydrogen peroxide and N,N dimethylformamide, subjecting resulting dispersion to solvothermal reaction to obtain GQDs (graphene quantum dots), mixing GQDs, 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride.

WU L, CAI F, CHEN G, GUO Y, ZHAO Q

Optical band-stop filter for e.g. optical measurement comprises optically transparent dielectric grating and two-dimensional material layer set on uppermost portion of structure, and metal thin film substrate bonded to bottom surface of optical medium layer.

YANG B, XU W, ZHANG J, LIU K, ZHU Z, CHEN Y, GUO C