Catalytic electrooxidation of formic acid by noble metal nanoparticle catalysts on reduced graphene oxide

© 2019, © 2019 Taylor & Francis Group, LLC. The noble metals (Pt and Pd) loaded on polydopamine (PDA) modified graphene oxide (GO) as catalysts were prepared by a reduction. The catalysts were characterized by Fourier transform infrared spectroscopy (FT-IR), Raman spectroscopy, X-ray diffracti...

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Main Authors: Suwaphid Themsirimongkon, Paralee Waenkaew, Kontad Ounnunkad, Jaroon Jakmunee, Li Fang, Surin Saipanya
Format: Journal
Published: 2019
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http://cmuir.cmu.ac.th/jspui/handle/6653943832/66631
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-666312019-09-16T13:00:29Z Catalytic electrooxidation of formic acid by noble metal nanoparticle catalysts on reduced graphene oxide Suwaphid Themsirimongkon Paralee Waenkaew Kontad Ounnunkad Jaroon Jakmunee Li Fang Surin Saipanya Chemistry Materials Science Physics and Astronomy © 2019, © 2019 Taylor & Francis Group, LLC. The noble metals (Pt and Pd) loaded on polydopamine (PDA) modified graphene oxide (GO) as catalysts were prepared by a reduction. The catalysts were characterized by Fourier transform infrared spectroscopy (FT-IR), Raman spectroscopy, X-ray diffraction (XRD), transmission electron microscopy (TEM), Scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The reduced graphene oxide (rGO) was prepared for use as a matrix to integrate alloyed metal catalysts. The results show that the dispersed small-catalyst nanoparticles are loaded on both GO and rGO supports and the PtxPdy catalysts on rGO are smaller than the PtxPdy catalysts on GO. Both cyclic voltammetry (CV) and chronoamperometry (CA) results reveal that bimetallic PtxPdy/PDA-GO catalysts have superior activity, CO tolerance, electron transfer and stability towards formic acid oxidation, compared to PtxPdy/GO and the commercial PtRu/C catalyst. The bimetallic PtxPdy and PDA loaded on GO could be capable of enhanced oxidation and hopefully used in direct formic acid fuel cells. 2019-09-16T12:50:01Z 2019-09-16T12:50:01Z 2019-01-01 Journal 15364046 1536383X 2-s2.0-85071991413 10.1080/1536383X.2019.1628022 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85071991413&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/66631
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Chemistry
Materials Science
Physics and Astronomy
spellingShingle Chemistry
Materials Science
Physics and Astronomy
Suwaphid Themsirimongkon
Paralee Waenkaew
Kontad Ounnunkad
Jaroon Jakmunee
Li Fang
Surin Saipanya
Catalytic electrooxidation of formic acid by noble metal nanoparticle catalysts on reduced graphene oxide
description © 2019, © 2019 Taylor & Francis Group, LLC. The noble metals (Pt and Pd) loaded on polydopamine (PDA) modified graphene oxide (GO) as catalysts were prepared by a reduction. The catalysts were characterized by Fourier transform infrared spectroscopy (FT-IR), Raman spectroscopy, X-ray diffraction (XRD), transmission electron microscopy (TEM), Scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The reduced graphene oxide (rGO) was prepared for use as a matrix to integrate alloyed metal catalysts. The results show that the dispersed small-catalyst nanoparticles are loaded on both GO and rGO supports and the PtxPdy catalysts on rGO are smaller than the PtxPdy catalysts on GO. Both cyclic voltammetry (CV) and chronoamperometry (CA) results reveal that bimetallic PtxPdy/PDA-GO catalysts have superior activity, CO tolerance, electron transfer and stability towards formic acid oxidation, compared to PtxPdy/GO and the commercial PtRu/C catalyst. The bimetallic PtxPdy and PDA loaded on GO could be capable of enhanced oxidation and hopefully used in direct formic acid fuel cells.
format Journal
author Suwaphid Themsirimongkon
Paralee Waenkaew
Kontad Ounnunkad
Jaroon Jakmunee
Li Fang
Surin Saipanya
author_facet Suwaphid Themsirimongkon
Paralee Waenkaew
Kontad Ounnunkad
Jaroon Jakmunee
Li Fang
Surin Saipanya
author_sort Suwaphid Themsirimongkon
title Catalytic electrooxidation of formic acid by noble metal nanoparticle catalysts on reduced graphene oxide
title_short Catalytic electrooxidation of formic acid by noble metal nanoparticle catalysts on reduced graphene oxide
title_full Catalytic electrooxidation of formic acid by noble metal nanoparticle catalysts on reduced graphene oxide
title_fullStr Catalytic electrooxidation of formic acid by noble metal nanoparticle catalysts on reduced graphene oxide
title_full_unstemmed Catalytic electrooxidation of formic acid by noble metal nanoparticle catalysts on reduced graphene oxide
title_sort catalytic electrooxidation of formic acid by noble metal nanoparticle catalysts on reduced graphene oxide
publishDate 2019
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85071991413&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/66631
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