▎ 摘 要
Proton conductivity of graphene oxide (GO) has been reduced in graphene oxide metal ion hybrids (GO-M; M = K+, Al3+, Zn2+, Fe3+, Cr3+, Co2+, Ce3+, and Tb3+). As the hybrids contain doped metal ions, we propose their possibility as catalyst and electrodes in sensing devices.