PHOTOELECTRON SPECTROSCOPY STUDY OF AMMONIA ADSORPTION ON ${\rm ZnO}(10\bar 10)$-Reference-Cited by-同舟云学术

PHOTOELECTRON SPECTROSCOPY STUDY OF AMMONIA ADSORPTION ON ${\rm ZnO}(10\bar 10)$

Published:2002-04 Issue:02 Volume:09 Page:717-722
ISSN:0218-625X
Container-title:Surface Review and Letters
language:en
Short-container-title:Surf. Rev. Lett.

Author:

OZAWA KENICHI¹,EDAMOTO KAZUYUKI¹

Affiliation:

1. Department of Chemistry and Materials Science, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo 152-0033, Japan

Abstract

Ammonia adsorption on the nonpolar [Formula: see text] surface has been studied using X-ray photoelectron spectroscopy and ultraviolet photoelectron spectroscopy. Ammonia adsorbs on the surface molecularly at room temperature. Adsorption induces the shift of the O 2p dangling bond state to the higher binding energy side. This implies the formation of the hydrogen bond between the surface O atoms and the H atoms of NH 3. Annealing the ammonia-covered surface induces the partially decomposed NH x (x=1,2) species. All adsorbates are removed at the surface temperature of 625–650 K. When the surface is precovered with K, no adsorbed ammonia is observed. Not only a site blocking effect but also a nonlocal effect for poisoning is proposed.

Publisher

World Scientific Pub Co Pte Lt

Subject

Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0218625X02002750

Reference12 articles.

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3. AES, XPS, and TDS study of the adsorption and desorption of NH3 on ultra-thin chromium oxide films formed on chromium single crystal surfaces

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