Microwave-assisted fast fabrication of a nanosized Pt3Co alloy on reduced graphene oxides

doi:10.1016/S1872-2067(14)60232-1

Abstract

Abstract:

Ultrafine and homogenously dispersed Pt₃Co alloy nanoparticles were fabricated on reduced graphene oxide (RGO) in a few minutes under microwave irradiation. Characterization results confirmed that microwave irradiation was important for higher metal utilization, the easy control of alloy composition, improved dispersion of the Pt₃Co particles and minimizing the re-graphitization of the parent RGO by comparison with conventional solvent-thermal and impregnation methods. This Pt₃Co/RGO-MW catalyst was extremely active and selective during the hydrogenation of cinnamaldehyde to cinnamyl alcohol. The calculated specific activity of each Pt atom in the Pt₃Co/RGO-MW at 70 ℃ was 23.8 min^-1.

Key words: graphene, Pt₃Co, microwave irradiation, cinnamaldehyde, hydrogenation

Juanjuan Shi, Renfeng Nie, Mengyuan Zhang, Mengsi Zhao, Zhaoyin Hou. Microwave-assisted fast fabrication of a nanosized Pt₃Co alloy on reduced graphene oxides[J]. Chinese Journal of Catalysis, 2014, 35(12): 2029-2037.

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Microwave-assisted fast fabrication of a nanosized Pt₃Co alloy on reduced graphene oxides

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