▎ 摘　　要

5, 10, 15, 20-toraptionyl porphyrin cobalt complex(CoTPP) was synthesized and used to prepare metallo-porphyrin graphene oxide (GO) composite for electrocatalytic hydrogen evolutionreaction (HER). The results indicated that when the mass ratio of CoTPP to GO is 1:15, the performance of the composite is the best. The test of Raman and SEM revealed that the surface disorder of CoTPP/GO material was increased as compared to GO. This change is beneficial for the charge tran4er of the HER. EIS test 'results showed the resistance of GO was reduced from 1.180 Omega to 734 Omega of CoTPP/GO. The HER onset overpotential of material was reduced from -761 mV of GO to -337 mV of CoTPP/GO. Tafel slope was reduced from 296 mV/dec of GO to 174 MV/dec of CoTPP/GO, while the Faraday efficiency was increased from 23% to 87%. After adding diphenyl sulfide (SPh2) axial ligand the HER onset overpotential of CoTPP (SMh(2))/GO material was further reduced to -235 mV. Tafel slope was also reduced to 163 mV/dec and Faraday efficiency was increased to 94%. These results indicate that the self-assembly of graphene oxide and metalloporphyrin is an effective way to construct graphene-based metalloporphyrin electrocatalytic HER materials.