Abstract
In this work, a polymer composite based on poly 4-aminothiophenol (p-ATP) is prepared via a facile electrochemical route and is used as an appropriate support for Pd nanoparticles. The morphological studies reveal that a nanofiber structure patterned on the multiwalled carbon nanotubes (MWCNT) structure is obtained for the synthesized catalyst viz. Pd/p-ATP/MWCNT. The Pd/p-ATP/MWCNT catalyst delivers a mass activity of 3245 $$ \mathrm{mA}\ {\mathrm{mg}}_{\mathrm{Pd}}^{-1} $$ manifesting its superb electrocatalytic activity for ethanol oxidation in the alkaline media. The vital role of the polymeric substrate on the electrocatalytic activity of Pd nanoparticles is established by comparing the catalytic performance of Pd/p-ATP/MWCNT with Pd/MWCNT. Finally, the superb activity of the synthesized catalyst is explicated according to the mechanism of ethanol oxidation on the synthesized catalyst.
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