The interaction of water and hydrogen with nickel surfaces
Shan, J.
Citation
Shan, J. (2009, November 11). The interaction of water and hydrogen with nickel surfaces. Retrieved from https://hdl.handle.net/1887/14365
Version: Corrected Publisher’s Version
License: Licence agreement concerning inclusion of doctoral thesis in the Institutional Repository of the University of Leiden
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The Interaction of Water and Hydrogen with
Nickel Surfaces
The Interaction of Water and Hydrogen with Nickel Surfaces
PROEFSCHRIFT
Ter verkrijging van
de graad van Doctor aan de Universiteit Leiden,
op gezag van de Rector Magnificus Prof. Mr. P.F. Van der Heijden hoogleraar in de faculteit der Rechtsgeleerdheid,
volgens besluit van het College voor Promoties te verdedigen op woensdag 11 November 2009
klokke 15.00 uur
door
Junjun Shan
Geboren te Zhejiang, China,
in 1979
Promotiecommissie
Promotor: Prof. Dr. A. W. Kleyn
Co-promotor: Dr. L. B. F. Juurlink
Overige leden: Prof. Dr. J. W. Niemantsverdriet Prof. Dr. A. Hodgson
Prof. Dr. P. Rudolf Prof. Dr. M. T. M. Koper Prof. Dr. B. E. Nieuwenhuys Prof. Dr. J. Brouwer
ISBN: 978-90-8570-417-1
Printed by Wöhrmann Print Service, The Netherlands
Contents
1 Introduction 1
1.1 Water on surfaces 1
1.2 Hydrogen on surface s 2
1.3 Nickel surface 4
1.4 Structure of this thesis 5
1.5 References 7
2 Experimental setup and techniques 9
2.1 Ultra-high vacuum system 10
2.2 Temperature-programmed desorption 10
2.3 High resolution electron energy loss spectroscopy 11
2.4 Auger electron spectroscopy 14
2.5 References 16
3 The interaction of water with Ni(111) and H/Ni(111) 17
3.1 Introduction 17 3.2 Experiment 19
3.3 Results 20
3.3.1 H2O and D2O on bare Ni(111) 20
3.3.2 D2O on hydrogen-covered Ni(111) 23
3.4 Discussion 25
3.5 Conclusions 30 3.6 References 32
4 Co-adsorption of water and hydrogen on Ni(111) 35
4.1 Introduction 36 4.2 Experiment 38
4.3 Results 41
4.4 Discussion 49
4.5 Summary 56
4.6 References 58
5 Identification of Hydroxyl on Ni(111) 61
5.1 Introduction 62
5.2 Experiment 63 5.3 Results and Discussion 64
5.3.1 TPD Spectra 64
5.3.2 Vibrational Spectra 66 5.3.3 Hydroxyl Co-adsorbed with Water 72
5.4 Conclusions 74
5.5 References 76
6 Adsorption of molecular hydrogen on an ultrathin layer
of Ni(111) hydride
79
6.1 Introduction 80
6.2 Experiment 81
6.3 Results 82
6.4 Discussion 86
6.5 Conclusions 89
6.6 References 90
7 On the formation and decomposition of a thin NiHx layer on Ni(111) 93
7.1 Introduction 94
7.2 Experiment 97
7.3 Results 98
7.4 Discussion 105
7.5 Conclusions 114
7.6 References 116
Summary 119
Samenvatting 123
List of publications 125
Curriculum Vitae 127
Acknowledgements 128
