Synthesis and characterization of Au, Pt supported on graphene aerogel catalysts for CO oxidation at low temperature
DOI:
https://doi.org/10.51316/jca.2022.018Keywords:
Aerogel graphene, PtAu/rGOA, CO oxidation ambient temperatureAbstract
Au, Pt supported on graphene aerogel catalysts (PtAu/rGOA) with molar ratio of Pt and Au of 1:1, and total metal concentration of 5 % were successfully synthesized by hydrothermal method. The obtained catalysts were characterized by Raman, XRD, XPS, HR-TEM, BET. It revealed that Au and Pt nanoparticles with average size of 3 – 5 nm were highly dispersed on aerogel graphene. The activity of these catalysts was tested in CO oxidation. The results showed that the conversion of CO at ambient temperature was 100% during 25 minutes. Accordingly, PtAu/rGOA could be considered as a potential catalysts for CO oxidation at low temperature.
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