4 years ago

Preparation of reduced graphene oxide nanosheet/glutathione-Pd hydrogel with enhanced catalytic activity

Preparation of reduced graphene oxide nanosheet/glutathione-Pd hydrogel with enhanced catalytic activity
In this manuscript, we have prepared reduced graphene oxide nanosheet/glutathione-Pd (rGS/G-Pd) hydrogel with the help of glutathione by a hydrothermal method. During the synthesis, glutathione not only improved cross-linking of hydrogel via reacting with functional groups on graphene oxide nanosheet (GS) surface; but also deeply reduced GS to improve the conductivity. Additionally, the diameter of Pd nanoparticles (NPs) was decreased to 1.7nm by taking advantage of synergistic effect between glutathione and Pd2+ ions. The final hydrogel displayed three-dimensional hierarchical porous structure with ultra-small Pd NPs uniformly decorated on the surface. In heterogeneous catalytic reaction, the rGS/G-Pd hydrogel showed superior catalytic performance towards the counterparts synthesized without glutathione, indicating it was a suitable candidate for catalyst.

Publisher URL: www.sciencedirect.com/science

DOI: S1387700317306226

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