Catalysis on mesoscopic composite surfaces: Influence of palladium boundaries on pattern formation during CO oxidation on Pt(1 1 0)

J. Lauterbach; K. Asakura; P. B. Rasmussen; H. H. Rotermund; M. Bär; M. D. Graham; I. G. Kevrekidis; G. Ertl

doi:10.1016/S0167-2789(98)00145-6

Catalysis on mesoscopic composite surfaces: Influence of palladium boundaries on pattern formation during CO oxidation on Pt(1 1 0)

J. Lauterbach
, K. Asakura
, P. B. Rasmussen
, H. H. Rotermund
, M. Bär
, M. D. Graham
, I. G. Kevrekidis
, G. Ertl

Chemical & Biological Engineering

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

23 Scopus citations

Abstract

The effect of well-defined palladium boundaries on the formation of reaction-diffusion patterns during the oxidation of CO on Pt(1 1 0) has been investigated. The Pd boundaries were created by microlithography technique. Reaction-diffusion patterns formed on this surface were observed by photoemission electron microscopy (PEEM). On a multilayer Pd-covered Pt( 1 1 0) surface, depending on the partial pressures, Pd areas may act as a reservoir of CO for adjacent Pt regions. Therefore, patterns forming on the bare Pt areas exhibit a pronounced interaction with the artificial Pt/Pd boundaries.

Original language	English (US)
Pages (from-to)	493-501
Number of pages	9
Journal	Physica D: Nonlinear Phenomena
Volume	123
Issue number	1-4
DOIs	https://doi.org/10.1016/S0167-2789(98)00145-6
State	Published - 1998

All Science Journal Classification (ASJC) codes

Statistical and Nonlinear Physics
Mathematical Physics
Condensed Matter Physics
Applied Mathematics

Keywords

CO oxidation
Composite catalyst
Pattern formation
Photoemission electron microscope
Pt( 1 1 0)

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10.1016/S0167-2789(98)00145-6

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@article{7fd7d257485549718203dc248751bc0a,

title = "Catalysis on mesoscopic composite surfaces: Influence of palladium boundaries on pattern formation during CO oxidation on Pt(1 1 0)",

abstract = "The effect of well-defined palladium boundaries on the formation of reaction-diffusion patterns during the oxidation of CO on Pt(1 1 0) has been investigated. The Pd boundaries were created by microlithography technique. Reaction-diffusion patterns formed on this surface were observed by photoemission electron microscopy (PEEM). On a multilayer Pd-covered Pt( 1 1 0) surface, depending on the partial pressures, Pd areas may act as a reservoir of CO for adjacent Pt regions. Therefore, patterns forming on the bare Pt areas exhibit a pronounced interaction with the artificial Pt/Pd boundaries.",

keywords = "CO oxidation, Composite catalyst, Pattern formation, Photoemission electron microscope, Pt( 1 1 0)",

author = "J. Lauterbach and K. Asakura and Rasmussen, \{P. B.\} and Rotermund, \{H. H.\} and M. B{\"a}r and Graham, \{M. D.\} and Kevrekidis, \{I. G.\} and G. Ertl",

note = "Funding Information: YGK and MG are gratefufl or the partials upport of the National Science Foundation(N SF), USA, while MB was partiallys upportedb y a fellowship from the DeutscheF orschungsgemeinsch(DaFftG ), Germany.",

year = "1998",

doi = "10.1016/S0167-2789(98)00145-6",

language = "English (US)",

volume = "123",

pages = "493--501",

journal = "Physica D: Nonlinear Phenomena",

issn = "0167-2789",

publisher = "Elsevier B.V.",

number = "1-4",

}

TY - JOUR

T1 - Catalysis on mesoscopic composite surfaces

T2 - Influence of palladium boundaries on pattern formation during CO oxidation on Pt(1 1 0)

AU - Lauterbach, J.

AU - Asakura, K.

AU - Rasmussen, P. B.

AU - Rotermund, H. H.

AU - Bär, M.

AU - Graham, M. D.

AU - Kevrekidis, I. G.

AU - Ertl, G.

N1 - Funding Information: YGK and MG are gratefufl or the partials upport of the National Science Foundation(N SF), USA, while MB was partiallys upportedb y a fellowship from the DeutscheF orschungsgemeinsch(DaFftG ), Germany.

PY - 1998

Y1 - 1998

N2 - The effect of well-defined palladium boundaries on the formation of reaction-diffusion patterns during the oxidation of CO on Pt(1 1 0) has been investigated. The Pd boundaries were created by microlithography technique. Reaction-diffusion patterns formed on this surface were observed by photoemission electron microscopy (PEEM). On a multilayer Pd-covered Pt( 1 1 0) surface, depending on the partial pressures, Pd areas may act as a reservoir of CO for adjacent Pt regions. Therefore, patterns forming on the bare Pt areas exhibit a pronounced interaction with the artificial Pt/Pd boundaries.

AB - The effect of well-defined palladium boundaries on the formation of reaction-diffusion patterns during the oxidation of CO on Pt(1 1 0) has been investigated. The Pd boundaries were created by microlithography technique. Reaction-diffusion patterns formed on this surface were observed by photoemission electron microscopy (PEEM). On a multilayer Pd-covered Pt( 1 1 0) surface, depending on the partial pressures, Pd areas may act as a reservoir of CO for adjacent Pt regions. Therefore, patterns forming on the bare Pt areas exhibit a pronounced interaction with the artificial Pt/Pd boundaries.

KW - CO oxidation

KW - Composite catalyst

KW - Pattern formation

KW - Photoemission electron microscope

KW - Pt( 1 1 0)

UR - https://www.scopus.com/pages/publications/0000747206

UR - https://www.scopus.com/pages/publications/0000747206#tab=citedBy

U2 - 10.1016/S0167-2789(98)00145-6

DO - 10.1016/S0167-2789(98)00145-6

M3 - Article

AN - SCOPUS:0000747206

SN - 0167-2789

VL - 123

SP - 493

EP - 501

JO - Physica D: Nonlinear Phenomena

JF - Physica D: Nonlinear Phenomena

IS - 1-4

ER -

Catalysis on mesoscopic composite surfaces: Influence of palladium boundaries on pattern formation during CO oxidation on Pt(1 1 0)

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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