Homogeneous and front-induced surface transformations during catalytic oxidation of ammonia over Pt(1 0 0)

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autoren

  • Matías Rafti
  • Florian Lovis
  • Ying Feng Zeng
  • Ronald Imbihl

Organisationseinheiten

Externe Organisationen

  • Universidad Nacional de La Plata
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Details

OriginalspracheEnglisch
Seiten (von - bis)323-328
Seitenumfang6
FachzeitschriftChemical physics letters
Jahrgang446
Ausgabenummer4-6
Frühes Online-Datum21 Aug. 2007
PublikationsstatusVeröffentlicht - 4 Okt. 2007

Abstract

The NH3 + O2 reaction over Pt(1 0 0) single-crystal surface was studied under UHV conditions using photoemission electron microscopy (PEEM) as spatially resolving method and work function measurements via a Kelvin probe and temperature programmed reaction (TPR) experiments as integral methods. A broad hysteresis in the reaction rates occurs and one finds, reaction fronts as well as spatially homogeneous transitions in the adsorbate layer.

ASJC Scopus Sachgebiete

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Homogeneous and front-induced surface transformations during catalytic oxidation of ammonia over Pt(1 0 0). / Rafti, Matías; Lovis, Florian; Zeng, Ying Feng et al.
in: Chemical physics letters, Jahrgang 446, Nr. 4-6, 04.10.2007, S. 323-328.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Rafti M, Lovis F, Zeng YF, Imbihl R. Homogeneous and front-induced surface transformations during catalytic oxidation of ammonia over Pt(1 0 0). Chemical physics letters. 2007 Okt 4;446(4-6):323-328. Epub 2007 Aug 21. doi: 10.1016/j.cplett.2007.08.054
Rafti, Matías ; Lovis, Florian ; Zeng, Ying Feng et al. / Homogeneous and front-induced surface transformations during catalytic oxidation of ammonia over Pt(1 0 0). in: Chemical physics letters. 2007 ; Jahrgang 446, Nr. 4-6. S. 323-328.
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N1 - Funding Information: Assistance from T. Neubrand in the experiments is gratefully acknowledged. M.R. acknowledges financial support from UNLP (Universidad Nacional de La Plata), CICPBA (Comisión de Investigaciones Científicas de la Prov. de Buenos Aires), CONICET (Consejo de Investigaciones Científicas y Tecnológicas) and also a scholarship granted by the DAAD (Deutscher Akademischer Austauschdienst). Y.Z. is indebted to the Deutsche Forschungsgesellschaft for financial support via SPP1091.

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