Light-induced molecular processes on ice
Grecea, Mihail LaurentiuCitation
Grecea, M. L. (2006, February 23). Light-induced molecular processes on ice. Retrieved from https://hdl.handle.net/1887/4322
Version: Corrected Publisher’s Version
License: Licence agreement concerning inclusion of doctoralthesis in the Institutional Repository of the University of Leiden
Downloaded from: https://hdl.handle.net/1887/4322
VII
Contents
1 Introduction 1
1.1 Ozone in the Earth's atmosphere 1
1.2 Ubiquitous ice 6
1.3 Molecular processes on ice 7
1.4 This thesis 9
Bibliography 11
2 Experimental setup and techniques 13
2.1 Ultra-high vacuum setup 13
2.2 Molecular beam line 16
2.3 Laser facilities 17 2.4 Desorption techniques 18 2.4.1 Temperature-programmed desorption 18 2.4.1.1 Background 18 2.4.1.2 Setup 19 2.4.2 Laser-induced desorption 20 2.4.2.1 Background 20 2.4.2.2 Setup 22
2.5 Reflection absorption infrared spectroscopy 24
2.5.1 Background 24
2.5.2 Setup 26
Bibliography 28
3 The interaction of water with the Pt(533) surface 29
3.1 Introduction 30
VIII
3.2.1 Experimental 33
3.2.2 Calculation 35
3.3 Results and discussion 35
3.3.1 The sub-monolayer regime 35
3.3.2 The multilayer regime 49
3.4 Conclusions 52
Bibliography and notes 54
4 Ultrafast laser-induced desorption of water from amorphous solid water 59
4.1 Introduction 60
4.2 Experimental 62
4.3 Results and discussion 63
4.4 Conclusions 71
Bibliography 72
5 Mobility of haloforms on ice surfaces 73
5.1 Introduction 74
5.2 Experimental 75
5.3 Results and discussion 76
5.4 Conclusions 84
Bibliography 85
6 Surface photochemistry of bromoform on ice: cross-section and competing reaction pathways 87
6.1 Introduction 88
6.2 Experimental 90
6.3 Results and discussion 93
6.4 Conclusions 101
Bibliography 102
7 Adsorption and the photochemistry of multilayer bromoform on ice 105
IX
7.2 Experimental 108
7.3 Results and discussion 110
