Issue 13, 2006
From the journal:

Physical Chemistry Chemical Physics

Water adsorption on the hydroxylated H-(1 × 1) O-ZnO(000[1 with combining macron]) surface†

M. Schiek,a   K. Al-Shamery,*a   M. Kunat,b   F. Traegerb  and  Ch. Wöllb  

* Corresponding authors

a Carl v. Ossietzky Universität, Institut für Reine und Angewandte Chemie, Postfach 2503, Oldenburg, Germany
Fax: +49 441 798 2809
Tel: +49 441 798 3853

b Ruhr-Universität Bochum, Lehrstuhl für Physikalische Chemie I, Bochum, Germany

Abstract

The adsorption of water multilayers on a well defined single crystal, hydroxyl-terminated ZnO-surface, H(1 × 1)-O-ZnO(000[1 with combining macron]) surface has been investigated using infrared (IR) spectroscopy, helium atom scattering (HAS) and X-ray photoelectron spectroscopy (XPS). The results reveal the formation of well ordered mono-, bi- and multilayers of D2O and H2O on this substrate. On the bare hydroxyl-covered H(1 × 1) surface the OH-stretch vibration could be clearly identified in the IR-spectra. The water adsorption and desorption kinetics on this hydroxylated surface were studied by monitoring the reflectivity of the surface for helium atoms. The analysis of the data yielded activation energies for desorption of H2O from the H(1 × 1) O-ZnO surface of 55.2 kJ mol−1. The results reveal the formation of ordered mono- and bilayers. Further exposure to water at 113 K results in the formation of amorphous 3-D islands.

Graphical abstract: Water adsorption on the hydroxylated H-(1 × 1) O-ZnO(000 [[1 with combining macron]] ) surface

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Article information

DOI
https://doi.org/10.1039/B515418A
Article type
Paper
Submitted
31 Oct 2005
Accepted
23 Dec 2005
First published
19 Jan 2006

Phys. Chem. Chem. Phys., 2006,8, 1505-1512

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Water adsorption on the hydroxylated H-(1 × 1) O-ZnO(000[1 with combining macron]) surface

M. Schiek, K. Al-Shamery, M. Kunat, F. Traeger and Ch. Wöll, Phys. Chem. Chem. Phys., 2006, 8, 1505 DOI: 10.1039/B515418A

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