Adsorption and oxidation of acetaldehyde on carbon supported Pt, PtSn and PtSn-based trimetallic catalysts by in situ Fourier transform infrared spectroscopy

Seden Beyhan; Jean Michel Léger; Figen Kadirgan

doi:10.1016/j.jpowsour.2013.05.112

Adsorption and oxidation of acetaldehyde on carbon supported Pt, PtSn and PtSn-based trimetallic catalysts by in situ Fourier transform infrared spectroscopy

Seden Beyhan^*, Jean Michel Léger, Figen Kadirgan

^*Corresponding author for this work

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

The adsorption and oxidation of acetaldehyde on carbon supported Pt, Pt₉₀Sn₁₀ and Pt₈₀Sn₁₀M₁₀ (M = Ni, Co, Rh, Pd) catalysts have been investigated by using in situ Fourier transform infrared (FTIR) spectroscopy. The result revealed that Pt ₉₀Sn₁₀/C catalyst is not very efficient for the conversion of acetaldehyde to CO₂ due to the weak adsorption of acetaldehyde in the presence of Sn. However, the addition of a third metal to Pt - Sn facilitates the C-C bond cleavage of acetaldehyde. It seems that acetaldehyde is adsorbed dissociatively on the surface of Pt₈₀Sn₁₀Ni ₁₀/C, Pt₈₀Sn₁₀Co₁₀/C, Pt ₈₀Sn₁₀Rh₁₀/C catalysts, producing CH ₃ and CHO adsorbate species, which can be further oxidized to CO ₂. However, the pathway forming CO₂ for Pt ₈₀Sn₁₀Pd₁₀/C catalyst mainly originates from the oxidation of CH₃CO species. Thus, the presence of third metal in the PtSn catalyst has a strong impact upon the acetaldehyde adsorption behaviour and its reaction products.

Original language	English
Pages (from-to)	503-509
Number of pages	7
Journal	Journal of Power Sources
Volume	242
DOIs	https://doi.org/10.1016/j.jpowsour.2013.05.112
Publication status	Published - 2013

Funding

This work was carried out within the framework of a bilateral cooperation programme between Istanbul Technical University (Turkey) and Université de Poitiers (France). S. B. thanks Bourse du Gouvernement Français (Contract # 20064739 ) for support.

Funders	Funder number
Bourse du Gouvernement Français	20064739

Keywords

Acetaldehyde oxidation
In situ infrared spectroscopy
Platinum-tin catalyst
Trimetallic catalyst

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10.1016/j.jpowsour.2013.05.112

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title = "Adsorption and oxidation of acetaldehyde on carbon supported Pt, PtSn and PtSn-based trimetallic catalysts by in situ Fourier transform infrared spectroscopy",

abstract = "The adsorption and oxidation of acetaldehyde on carbon supported Pt, Pt90Sn10 and Pt80Sn10M10 (M = Ni, Co, Rh, Pd) catalysts have been investigated by using in situ Fourier transform infrared (FTIR) spectroscopy. The result revealed that Pt 90Sn10/C catalyst is not very efficient for the conversion of acetaldehyde to CO2 due to the weak adsorption of acetaldehyde in the presence of Sn. However, the addition of a third metal to Pt - Sn facilitates the C-C bond cleavage of acetaldehyde. It seems that acetaldehyde is adsorbed dissociatively on the surface of Pt80Sn10Ni 10/C, Pt80Sn10Co10/C, Pt 80Sn10Rh10/C catalysts, producing CH 3 and CHO adsorbate species, which can be further oxidized to CO 2. However, the pathway forming CO2 for Pt 80Sn10Pd10/C catalyst mainly originates from the oxidation of CH3CO species. Thus, the presence of third metal in the PtSn catalyst has a strong impact upon the acetaldehyde adsorption behaviour and its reaction products.",

keywords = "Acetaldehyde oxidation, In situ infrared spectroscopy, Platinum-tin catalyst, Trimetallic catalyst",

author = "Seden Beyhan and L{\'e}ger, {Jean Michel} and Figen Kadirgan",

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T1 - Adsorption and oxidation of acetaldehyde on carbon supported Pt, PtSn and PtSn-based trimetallic catalysts by in situ Fourier transform infrared spectroscopy

AU - Beyhan, Seden

AU - Léger, Jean Michel

AU - Kadirgan, Figen

PY - 2013

Y1 - 2013

N2 - The adsorption and oxidation of acetaldehyde on carbon supported Pt, Pt90Sn10 and Pt80Sn10M10 (M = Ni, Co, Rh, Pd) catalysts have been investigated by using in situ Fourier transform infrared (FTIR) spectroscopy. The result revealed that Pt 90Sn10/C catalyst is not very efficient for the conversion of acetaldehyde to CO2 due to the weak adsorption of acetaldehyde in the presence of Sn. However, the addition of a third metal to Pt - Sn facilitates the C-C bond cleavage of acetaldehyde. It seems that acetaldehyde is adsorbed dissociatively on the surface of Pt80Sn10Ni 10/C, Pt80Sn10Co10/C, Pt 80Sn10Rh10/C catalysts, producing CH 3 and CHO adsorbate species, which can be further oxidized to CO 2. However, the pathway forming CO2 for Pt 80Sn10Pd10/C catalyst mainly originates from the oxidation of CH3CO species. Thus, the presence of third metal in the PtSn catalyst has a strong impact upon the acetaldehyde adsorption behaviour and its reaction products.

AB - The adsorption and oxidation of acetaldehyde on carbon supported Pt, Pt90Sn10 and Pt80Sn10M10 (M = Ni, Co, Rh, Pd) catalysts have been investigated by using in situ Fourier transform infrared (FTIR) spectroscopy. The result revealed that Pt 90Sn10/C catalyst is not very efficient for the conversion of acetaldehyde to CO2 due to the weak adsorption of acetaldehyde in the presence of Sn. However, the addition of a third metal to Pt - Sn facilitates the C-C bond cleavage of acetaldehyde. It seems that acetaldehyde is adsorbed dissociatively on the surface of Pt80Sn10Ni 10/C, Pt80Sn10Co10/C, Pt 80Sn10Rh10/C catalysts, producing CH 3 and CHO adsorbate species, which can be further oxidized to CO 2. However, the pathway forming CO2 for Pt 80Sn10Pd10/C catalyst mainly originates from the oxidation of CH3CO species. Thus, the presence of third metal in the PtSn catalyst has a strong impact upon the acetaldehyde adsorption behaviour and its reaction products.

KW - Acetaldehyde oxidation

KW - In situ infrared spectroscopy

KW - Platinum-tin catalyst

KW - Trimetallic catalyst

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DO - 10.1016/j.jpowsour.2013.05.112

M3 - Article

AN - SCOPUS:84879292778

SN - 0378-7753

VL - 242

SP - 503

EP - 509

JO - Journal of Power Sources

JF - Journal of Power Sources

ER -

Adsorption and oxidation of acetaldehyde on carbon supported Pt, PtSn and PtSn-based trimetallic catalysts by in situ Fourier transform infrared spectroscopy

Abstract

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Keywords

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