Interfacial supramolecular assemblies 2003 - Forster & Keyes.pdf

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"Interfacial Supramolecular Assemblies"
Interfacial Supramolecular Assemblies. Johannes G. Vos, Robert J. Forster and Tia E. Keyes
Copyright 2003 John Wiley & Sons, Ltd.
ISBN: 0-471-49071-7
INTERFACIAL
SUPRAMOLECULAR
ASSEMBLIES
INTERFACIAL
SUPRAMOLECULAR
ASSEMBLIES
Johannes G. Vos
Robert J. Forster
Dublin City University, Ireland
Tia E. Keyes
Dublin Institute of Technology, Ireland
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Copyright
2003
John Wiley & Sons Ltd, The Atrium, Southern Gate, Chichester,
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ISBN 0-471-49071-7
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Contents
1
Introduction
1
1.1 Introductory Remarks
1
1.2 Interfacial Supramolecular Chemistry
2
1.3 Objectives of this Book
4
1.4 Testing Contemporary Theory Using ISAs
4
1.5 Analysis of Structure and Properties
5
1.6 Formation and Characterization of Interfacial Supramolecular
Assemblies
5
1.7 Electron and Energy Transfer Properties
6
1.8 Interfacial Electron Transfer Processes at Modified
Semiconductor Surfaces
6
Further Reading
6
2 Theoretical Framework for Electrochemical
and Optical Processes
9
2.1 Introduction
9
2.2 Electron Transfer
9
2.2.1 Homogenous Electron Transfer
10
2.2.2 Heterogeneous Electron Transfer
21
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vi
Contents
2.3 Photoinduced Processes
28
2.3.1 Photochemistry and Photophysics of Supramolecular Materials
28
2.3.2 Photoinduced Electron Transfer
31
2.3.3 Photoinduced Energy Transfer
33
2.3.4 Photoinduced Molecular Rearrangements
36
2.4 Photoinduced Interfacial Electron Transfer
41
2.4.1 Dye-Sensitized Photoinduced Electron Transfer
at Metal Surfaces
43
2.4.2 Dye-Sensitized Photoinduced Electron Transfer
at Semiconductor Surfaces
44
2.4.3 Photoinduced Interfacial Energy Transfer
45
2.5 Elucidation of Excited-State Mechanisms
46
2.6 Conclusions
48
References and Notes
48
3 Methods of Analysis
51
3.1 Structural Characterization of Interfacial Supramolecular
Assemblies
51
3.1.1 Scanning Probe Microscopy
52
3.1.2 Scanning Electrochemical Microscopy
53
3.1.3 Contact Angle Measurements
55
3.1.4 Mass-Sensitive Approaches
56
3.1.5 Ellipsometry
59
3.1.6 Surface Plasmon Resonance
60
3.1.7 Neutron Reflectivity
62
3.2 Voltammetric Properties of Interfacial Supramolecular
Assemblies
63
3.2.1 Electrochemical Properties of an Ideal Redox-Active Assembly
63
3.2.2 The Formal Potential
66
3.2.3 Effect of Lateral Interactions
66
3.2.4 Diffusional Charge Transport through Thin Films
67
3.2.5 Rotating Disk Voltammetry
68
3.2.6 Interfacial Capacitance and Resistance
70
3.3 Spectroscopic Properties of Interfacial Supramolecular
Assemblies
70
3.3.1 Luminescence Spectroscopy
71
3.3.2 Fluorescence Depolarization
72
3.3.3 Epifluorescent and Confocal Microscopy
73
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