Effect of the Surface Structure of Pt(100) and Pt(110) on the Oxidation of Carbon Monoxide in Alkaline Solution: An FTIR and Electrochemical Study

Paramaconi Rodríguez; Gonzalo García; Enrique Herrero; Juan M. Feliu; Marc T M Koper; Paramaconi Rodriguez

doi:10.1007/s12678-011-0059-9

Effect of the Surface Structure of Pt(100) and Pt(110) on the Oxidation of Carbon Monoxide in Alkaline Solution: An FTIR and Electrochemical Study

Paramaconi Rodríguez^*, Gonzalo García, Enrique Herrero, Juan M. Feliu, Marc T M Koper, Paramaconi Rodriguez

^*Corresponding author for this work

Chemistry

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Abstract

The electrochemical oxidation and infrared spectral features for carbon monoxide adsorbed on Pt(100) and Pt(110) in 0. 1 M NaOH were studied as a function of the annealing/cooling treatment with the objective to establish the influence of the platinum surface site geometry and the role of surface order in the electro-oxidation of CO on these two surfaces. Two common cooling methods (Ar and H ₂/Ar atmospheres) were employed for both surface electrodes. Additionally, CO cooling and I ₂ vapour cooling methods were used for Pt(100) and Pt(110), respectively. Multiple CO vibration bands were observed on both electrode surfaces, their distribution and potential dependence strongly depending on the surface treatment. copy; 2011 The Author(s).

Original language	English
Pages (from-to)	242-253
Number of pages	12
Journal	Electrocatalysis
Volume	2
Issue number	3
Early online date	21 Jun 2011
DOIs	https://doi.org/10.1007/s12678-011-0059-9
Publication status	Published - Sept 2011

Keywords

Alkaline solution
CO oxidation
FTIR
Pt(hkl)
Surface structure

ASJC Scopus subject areas

Electrochemistry

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10.1007/s12678-011-0059-9

Rodriguez_et_al_Effect_Surface_Structure_Electrocatal_2011
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title = "Effect of the Surface Structure of Pt(100) and Pt(110) on the Oxidation of Carbon Monoxide in Alkaline Solution: An FTIR and Electrochemical Study",

abstract = "The electrochemical oxidation and infrared spectral features for carbon monoxide adsorbed on Pt(100) and Pt(110) in 0. 1 M NaOH were studied as a function of the annealing/cooling treatment with the objective to establish the influence of the platinum surface site geometry and the role of surface order in the electro-oxidation of CO on these two surfaces. Two common cooling methods (Ar and H 2/Ar atmospheres) were employed for both surface electrodes. Additionally, CO cooling and I 2 vapour cooling methods were used for Pt(100) and Pt(110), respectively. Multiple CO vibration bands were observed on both electrode surfaces, their distribution and potential dependence strongly depending on the surface treatment. copy; 2011 The Author(s).",

keywords = "Alkaline solution, CO oxidation, FTIR, Pt(hkl), Surface structure",

author = "Paramaconi Rodr{\'i}guez and Gonzalo Garc{\'i}a and Enrique Herrero and Feliu, {Juan M.} and Koper, {Marc T M} and Paramaconi Rodriguez",

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T2 - An FTIR and Electrochemical Study

AU - Rodríguez, Paramaconi

AU - García, Gonzalo

AU - Herrero, Enrique

AU - Feliu, Juan M.

AU - Koper, Marc T M

AU - Rodriguez, Paramaconi

PY - 2011/9

Y1 - 2011/9

N2 - The electrochemical oxidation and infrared spectral features for carbon monoxide adsorbed on Pt(100) and Pt(110) in 0. 1 M NaOH were studied as a function of the annealing/cooling treatment with the objective to establish the influence of the platinum surface site geometry and the role of surface order in the electro-oxidation of CO on these two surfaces. Two common cooling methods (Ar and H 2/Ar atmospheres) were employed for both surface electrodes. Additionally, CO cooling and I 2 vapour cooling methods were used for Pt(100) and Pt(110), respectively. Multiple CO vibration bands were observed on both electrode surfaces, their distribution and potential dependence strongly depending on the surface treatment. copy; 2011 The Author(s).

AB - The electrochemical oxidation and infrared spectral features for carbon monoxide adsorbed on Pt(100) and Pt(110) in 0. 1 M NaOH were studied as a function of the annealing/cooling treatment with the objective to establish the influence of the platinum surface site geometry and the role of surface order in the electro-oxidation of CO on these two surfaces. Two common cooling methods (Ar and H 2/Ar atmospheres) were employed for both surface electrodes. Additionally, CO cooling and I 2 vapour cooling methods were used for Pt(100) and Pt(110), respectively. Multiple CO vibration bands were observed on both electrode surfaces, their distribution and potential dependence strongly depending on the surface treatment. copy; 2011 The Author(s).

KW - Alkaline solution

KW - CO oxidation

KW - FTIR

KW - Pt(hkl)

KW - Surface structure

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Effect of the Surface Structure of Pt(100) and Pt(110) on the Oxidation of Carbon Monoxide in Alkaline Solution: An FTIR and Electrochemical Study

Abstract

Keywords

ASJC Scopus subject areas

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