Diffractive Optics for Thin-Film Silicon Solar Cells

✍ Scribed by Springer International Publishing; Schuster, Christian Stefano

• Publisher: Springer
• Year: 2016;2017
• Tongue: English
• Leaves: 129
• Series: Springer Theses
• Edition: 1st ed. 2017
• Category: Library

✦ Table of Contents

Supervisor’s Foreword......Page 8
Abstract......Page 11
Acknowledgements......Page 12
Contents......Page 15
1.2 The Potential of Photovoltaics......Page 17
1.3.1 The NIR Problem......Page 19
1.3.2 The Light-Trapping Potential......Page 22
1.4 Scope and Outline of This Thesis......Page 25
References......Page 26
2.2.1 Non-diffractive Techniques......Page 27
2.2.2 Refractive Approaches......Page 29
2.2.3 Diffractive Approaches......Page 30
2.3 The Lambertian Scatterer......Page 34
2.3.1 Absorption Enhancement by a Lambertian Backscatterer......Page 36
2.3.2 The Maximum Absorption Enhancement......Page 41
2.4.1 How to Assess Light-Trapping Structures for Solar Cells ?......Page 44
2.4.2 The Light-Trapping-Efficiency (LTE)......Page 47
2.5.1 Important Milestones......Page 50
2.5.2 The State of the Art......Page 54
2.6 Concluding Remarks......Page 58
2.6.1 Phase Engineering......Page 59
2.6.2 Dual Structuring......Page 60
References......Page 61
3.2.1 Electron Beam Lithography......Page 68
3.2.2 Nanoimprint Lithography......Page 70
3.3 Pattern Transfer by Reactive Ion Etching (RIE)......Page 73
3.3.1 Dry-Etching in the RIE-System......Page 75
3.4.1 Reference Measurement -- Thin Films......Page 76
References......Page 78
4.2 Dual Gratings by a Simple Layer Transfer Technique......Page 80
4.2.1 Why Dual Gratings?......Page 81
4.2.2 A Novel Layer-Transfer Technique......Page 82
4.2.3 Proof of Principle Demonstration......Page 83
4.3 Plasmonic and Diffractive Nanostructures ƒ......Page 87
4.3.1 Methodology......Page 88
4.3.2 Results......Page 90
4.3.3 Discussion......Page 92
4.3.4 Comparison of the Two Different Approaches......Page 95
4.3.5 Conclusions......Page 97
4.4 Summary......Page 98
References......Page 99
5.1 General Conclusions and Remarks......Page 102
5.1.1 Limitations and Future Work Left......Page 104
5.1.2 Outlook......Page 106
5.2 Can Solar Power Solve the World's Energy Crisis?......Page 108
References......Page 109
Appendix A A Home-Made UV Nanoimprint Tool......Page 110
Appendix B Absorption Measurement Setup......Page 118