Numerical simulations on limitations and optimization strategies of organic solar cells:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2013
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| Schlagworte: | |
| Online-Zugang: | Volltext Inhaltsverzeichnis |
| Beschreibung: | Zsfassung in dt. und engl. Sprache |
| Beschreibung: | IV, 125 S. Ill., graph. Darst. |
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Datensatz im Suchindex
| _version_ | 1804151864863752192 |
|---|---|
| adam_text | CONTENTS
1. INTRODUCTION 1
1. THEORY 3
2. ORGANIC PHOTOVOLATICS 5
2.1. ORGANIC SEMICONDUCTORS 5
2.2. CHARGE TRANSPORT IN DISORDERED SOLIDS 7
2.3. ORGANIC SOLAR CELL ARCHITECTURES 12
2.4. CURRENT-VOLTAGE CHARACTERISTICS 15
3. GENERATION AND RECOMBINATION OF CHARGE CARRIERS 17
3.1. THERMAL ACTIVATION OF CHARGE CARRIERS 17
3.2. CHARGE CARRIER INJECTION 19
3.3. GENERATION AND GEMINATE RECOMBINATION 21
3.4. NONGEMINATE RECOMBINATION 23
3.5. SURFACE RECOMBINATION 26
3.6. THE CONTINUITY EQUATIONS 27
4. NUMERICAL APPROACHES 29
4.1. DEFINITION OF THE NUMERICAL PROBLEM 29
4.2. DISCRETIZING AND SCALING OF VARIABLES 30
4.3. THE GUMMEL METHOD 30
4.4. THE SCHARFETTER-GUMMEL APPROXIMATION 32
4.5. MULTI-LAYER STRUCTURES 33
4.6. OPTICAL INTERFERENCE 34
4.7. ITERATIVE SOLVING SCHEME 37
II. RESULTS 39
5. OPEN CIRCUIT VOLTAGE OF PLANAR AND BULK HETEROJUNCTION SOLAR CELLS 41
5.1. EXPERIMENTAL 41
5.2. COMPARISON OF V
OC
IN BULK AND PLANAR HETEROJUNCTION SOLAR CELLS 43
5.3. BASIC DERIVATION OF V
OC
47
5.4. OPEN CIRCUIT VOLTAGE OF ORGANIC BHJ SOLAR CELLS 49
5.5. OPEN CIRCUIT VOLTAGE OF PHJ SOLAR CELLS 53
5.6. APPLICATION IN EXPERIMENTS 55
III
HTTP://D-NB.INFO/1048707075
CONTENTS
5.7. CONCLUSION 58
6. S-SHAPED CURRENT-VOLTAGE CHARACTERISTICS OF BULK HETEROJUNCTION SOLAR
CELLS 59
6.1. EXPERIMENTAL METHODS 60
6.2. ORIGIN OF THE S-SHAPED DEFORMATION 63
6.3. ENERGETIC STRUCTURE 64
6.4. INFLUENCE ON THE OPEN CIRCUIT VOLTAGE 66
6.5. SPACE CHARGE LIMITED CURRENT 69
6.6. CONCLUSION 70
7. OPTIMIZATION OF THE POWER CONVERSION EFFICIENCY 71
7.1. EXPERIMENTAL 71
7.2. INJECTION BARRIERS AND LANGEVIN RECOMBINATION 73
7.3. LIMITED CHARGE CARRIER RECOMBINATION 76
7.4. IMPACT OF SURFACE RECOMBINATION VELOCITIES 78
7.5. CONCLUSION 80
8. CHARGE CARRIER RECOMBINATION IN ORGANIC SEMICONDUCTORS 83
8.1. EXISTING MODELS FOR A REDUCED RECOMBINATION 83
8.2. THE CHARGE CARRIER GRADIENT MODEL 86
8.3. NUMERICAL VALIDATION 88
8.4. CONCLUSION 92
9. CONCLUSION 95
BIBLIOGRAPHY 99
III. APPENDIX 113
A. LIST OF ABBREVIATIONS 115
B. LIST OF SYMBOLS 117
C. LIST OF PUBLICATIONS 121
IV
|
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| discipline | Energietechnik |
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| spelling | Wagenpfahl, Alexander Johannes Verfasser (DE-588)1047347989 aut Numerical simulations on limitations and optimization strategies of organic solar cells von Alexander Johannes Wagenpfahl Numerische Simulationen von Limitierungen und Optimierungsstrategien organischer Solarzellen 2013 IV, 125 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Zsfassung in dt. und engl. Sprache Würzburg, Univ., Diss., 2013 Fotovoltaik (DE-588)4121476-6 gnd rswk-swf Organischer Halbleiter (DE-588)4172780-0 gnd rswk-swf Organische Solarzelle (DE-588)7617672-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Organische Solarzelle (DE-588)7617672-1 s DE-604 Fotovoltaik (DE-588)4121476-6 s Organischer Halbleiter (DE-588)4172780-0 s Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:20-opus-90119 https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-90119 Resolving-System kostenfrei Volltext DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027082442&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Wagenpfahl, Alexander Johannes Numerical simulations on limitations and optimization strategies of organic solar cells Fotovoltaik (DE-588)4121476-6 gnd Organischer Halbleiter (DE-588)4172780-0 gnd Organische Solarzelle (DE-588)7617672-1 gnd |
| subject_GND | (DE-588)4121476-6 (DE-588)4172780-0 (DE-588)7617672-1 (DE-588)4113937-9 |
| title | Numerical simulations on limitations and optimization strategies of organic solar cells |
| title_alt | Numerische Simulationen von Limitierungen und Optimierungsstrategien organischer Solarzellen |
| title_auth | Numerical simulations on limitations and optimization strategies of organic solar cells |
| title_exact_search | Numerical simulations on limitations and optimization strategies of organic solar cells |
| title_full | Numerical simulations on limitations and optimization strategies of organic solar cells von Alexander Johannes Wagenpfahl |
| title_fullStr | Numerical simulations on limitations and optimization strategies of organic solar cells von Alexander Johannes Wagenpfahl |
| title_full_unstemmed | Numerical simulations on limitations and optimization strategies of organic solar cells von Alexander Johannes Wagenpfahl |
| title_short | Numerical simulations on limitations and optimization strategies of organic solar cells |
| title_sort | numerical simulations on limitations and optimization strategies of organic solar cells |
| topic | Fotovoltaik (DE-588)4121476-6 gnd Organischer Halbleiter (DE-588)4172780-0 gnd Organische Solarzelle (DE-588)7617672-1 gnd |
| topic_facet | Fotovoltaik Organischer Halbleiter Organische Solarzelle Hochschulschrift |
| url | https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-90119 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027082442&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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