Metal oxide layer in organic solar cells:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2012
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| Schlagworte: | |
| Online-Zugang: | kostenfrei http://d-nb.info/1025224418/34 https://nbn-resolving.org/urn:nbn:de:bvb:19-147159 Inhaltsverzeichnis |
| Beschreibung: | X, 177 S. Ill., graph. Darst. |
Internformat
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| 245 | 1 | 0 | |a Metal oxide layer in organic solar cells |c von Haiyan Sun |
| 264 | 1 | |c 2012 | |
| 300 | |a X, 177 S. |b Ill., graph. Darst. | ||
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| 337 | |b n |2 rdamedia | ||
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| 502 | |a München, Univ., Diss., 2012 | ||
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Datensatz im Suchindex
| _version_ | 1804149588425179136 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
ABSTRACT V
LIST O F ABBREVIATIONS IX
1 INTRODUCTION 1
1.1 SOLAR CELLS WORKING PRINCIPLES 3
1.1.1 ORGANIC PHOTOVOLTAIC MATERIALS 3
1.1.2 DONOR-ACCEPTOR CONCEPT 4
1.1.3 CHARGE GENERATION 5
1.1.4 MORPHOLOGY IN ORGANIC SOLAR CELLS 8
1.1.5 RECOMBINATION MECHANISMS 11
1.2 THE PERFORMANCE O F QPVS 13
1/2.1 EFFICIENCIES O F DEVICES 14
1.2.2 STABILITY O F THE DEVICES 15
1.2.3 TO IMPROVE THE PERFORMANCE O F DEVICES 17
1.3 ORGANIC PHOTOVOLTAIC DEVICES 19
1.3.1 ORGANIC SOLAR CELLS 19
1.3.2 DYE-SENSITIZED SOLAR CELLS 20
1.3.3 HYBRID SOLAR CELLS 22
1.4 METAL OXIDES IN HYBRID SOLAR CELLS 24
1.4.1 T I 0 2 AND ZNO METAL OXIDES 25
1.4.2 APPLICATIONS IN HYBRID SOLAR CELLS 26
1.4.3 NANOSTRUCTURES O F METAL OXIDES 27
2 EXPERIMENTAL METHODS 30
2.1 SOLAR CELL ARCHITECTURE 30
2.1.1 SOLAR CELL DESIGN 30
2.1.2 NON-INVERTED SOLAR CELLS 31
2.1.3 INVERTED SOLAR CELLS 32
2.1.4 INVERTED-INVERTED .SOLAR EEL IS, ARCHITECTURE.. X. V ....- : 3 3 .
-* O I - . - V * * * / V ; - J J - ; ** ,V-Y,K*. , I V V
2.1.5 FLEXIBLE DEVICES ARCHITECTURE : 34
2.1.6 TRANSPARENT DEVICES ARCHITECTURE 35
2.2 MATERIALS AND FABRICATION METHODS 36
2.2.1 PHOTOACTIVE MATERIALS AND BLEND LAYER 36
HTTP://D-NB.INFO/1026825652
IMAGE 2
CONTENTS
2.2.2 SYNTHESES O F THE TIC 2 BLOCKING LAYERS 37
2.2.3 SYNTHESES O F THE ZNO BLOCKING LAYER 41
2.2.4 FABRICATION O F BUFFER LAYERS 43
2.2.5 DEPOSITION O F ELECTRODES 44
2.3 CHARACTERIZATION 45
2.3.1 I-V CHARACTERIZATION 45
2.3.2 EQE CHARACTERIZATION 48
2.3.3 ABSORPTION MEASUREMENT 49
2.3.4 MICROSCOPY TECHNIQUES 50
2.3.5 XRD MEASUREMENTS 50
2.3.6 VAN DER PAUW METHOD AND HALL EFFECT MEASUREMENT 51
2.3.7 INTENSITY DEPENDENCE MEASUREMENT 53
2.3.8 IMPEDANCE SPECTROSCOPY MEASUREMENT 54
2.3.9 PHOTO-CELIV METHOD 55
3. DEVICE OPTIMIZATION 57
3.1 BLOCKING LAYERS IMPROVEMENT 57
3.1.1 T I 0 2 SURFACE CLEANING 57
3.1.2 N-DOPED TICH TO INCREASE THE ABSORPTION 61
3.1.3 MG-DOPED ZNO TO ENHANCE THE V 0 C 66
3.1.4 T I 0 2 - Z N 0 CO-BLOCKING LAYER 69
3.2 P3HT:PCBM LAYER IMPROVEMENT 71
3.2.1 P3HT:PCBM BLEND SOLUTIONS 72
3.2.2 P3HT:PCBM RATIOS 74
3.2.3 P3HT:PCBM LAYER THICKNESS 76
3.2.4 POST-DEPOSITION TREATMENT PROCESS ON BLEND LAYER 78
3.3 SPRAY-DEPOSITED PEDOT: PSS FOR AIR STABLE INVERTED ORGANIC SOLAR
CELLS 81
3.3.1 BACKGROUND 81
3.3.2 PEDOT:PSS LAYER DEPOSITION 83
3.3.3 DEVICE PERFORMANCE 83
3.3.4 TIME EVOLUTION O F THE V 0 C 87
3.3.5 SUMMARY 88
3.4 CONCLUSION 89
4 EFFECT O F BLOCKING LAYER 91
4.1 INTRODUCTION 91
4.2 DEVICE STRUCTURE AND EXPERIMENTAL 92
4.3 PROPERTIES O F T OI AND ZNO LAYERS 93
4.3.1 CRYSTALLINITY 93
IMAGE 3
CONTENTS
4.3.2 CONDUCTIVITY AND MOBILITY 94
4.3.3 SURFACE MORPHOLOGY 95
4.3.4 ABSORPTION 97
4.3.5 SUMMARY 99
4.4 PERFORMANCES O F INVERTED DEVICES BASED ON TIC 2 AND ZNO 99
4.4.1 EQE CHARACTERIZATION O F T I 0 2 AND ZNO DEVICES 100
4.4.2 I-V CHARACTERIZATION O F T I 0 2 AND ZNO DEVICES 101
4.4.3 CHARGE CARRIER MOBILITY O F T I 0 2 AND ZNO DEVICES 104
4.4.4 CHARGE RECOMBINATION O F T I 0 2 AND ZNO DEVICES 105
4.5 EFFECTS O F TRAP STATES IN BLOCKING LAYERS 109
4.5.1 TRAP FILLING O F PHOTOINDUCED TI02 AND ZNO 109
4.5.2 FILTER EFFECT O F T I 0 2 AND ZNO 111
4.6 STABILITY O F THE INVERTED DEVICES BASED ON T I 0 2 AND ZNO 113
4.6.1 ILLUMINATION STABILITY 113
4.6.2 AIR STABILITY 115
4.7 CONCLUSION 116
5 ZNO NANOWIRES ELECTRODES 119
5.1 INTRODUCTION 120
5.2 DEVICE FABRICATION AND OPTIMIZATION 122
5.2.1 DEVICES FABRICATION 122
5.2.1 HYDROTHERMAL METHOD 123
5.2.2 ZNO SEED LAYERS OPTIMIZATION 125
5.3 MORPHOLOGY O F ZNO N W 127
5.3.1 INFLUENCE O F ZNO SEED LAYER ON MORPHOLOGY 127
5.3.2 INFLUENCE O F H T SOLUTION ON MORPHOLOGY 129
5.3.3 INFLUENCE O F TEMPERATURE ON MORPHOLOGY 130
5.3.4 INFLUENCE O F TIME ON MORPHOLOGY 132
5.3.5 SUMMARY 134
5.4 P3HT:PCBM SOLAR CELLS BASED ON ZNO N W 134
5.4.1 DEPENDENCE O F SOLAR CELL PERFORMANCE ON THE ZNO N W LENGTH 134
5.4.2 P3HT:PCBM RATIO VS DIFFERENT ZNO N W LENGTHS 144
5.5 ZNO N W SURFACE MODIFIED BY AALD N-DOPED ZNO 146
5.5.1 SOLAR CELLS PREPARATION 147
5.5.2 STABILITY O F ZNO N W 148
5.5.3 ABSORPTION MEASUREMENTS 149
5.5.4 EQE MEASUREMENTS 151
5.5.6 I-V MEASUREMENTS 153
III
IMAGE 4
CONTENTS
5.5.7 LIGHT INTENSITY MEASUREMENTS 155
5.5.8 IMPROVEMENT O F THE PERFORMANCE 156
5.6 CONCLUSION 156
6 CONCLUSION AND OUTLOOK 158
BIBLIOGRAPHY 163
APPENDIX: PUBLICATIONS AND PRESENTATIONS 175
CURRICULUM VITAE 176
ACKNOWLEDGMENT 178
IV
|
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| dewey-search | 621.31244 |
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| discipline | Physik Elektrotechnik / Elektronik / Nachrichtentechnik |
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| spelling | Sun, Haiyan Verfasser aut Metal oxide layer in organic solar cells von Haiyan Sun 2012 X, 177 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Univ., Diss., 2012 (DE-588)4113937-9 Hochschulschrift gnd-content Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:19-147159 http://edoc.ub.uni-muenchen.de/14715/ Verlag kostenfrei Volltext http://d-nb.info/1025224418/34 Langzeitarchivierung Nationalbibliothek https://nbn-resolving.org/urn:nbn:de:bvb:19-147159 Resolving-System DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025357910&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Sun, Haiyan Metal oxide layer in organic solar cells |
| subject_GND | (DE-588)4113937-9 |
| title | Metal oxide layer in organic solar cells |
| title_auth | Metal oxide layer in organic solar cells |
| title_exact_search | Metal oxide layer in organic solar cells |
| title_full | Metal oxide layer in organic solar cells von Haiyan Sun |
| title_fullStr | Metal oxide layer in organic solar cells von Haiyan Sun |
| title_full_unstemmed | Metal oxide layer in organic solar cells von Haiyan Sun |
| title_short | Metal oxide layer in organic solar cells |
| title_sort | metal oxide layer in organic solar cells |
| topic_facet | Hochschulschrift |
| url | http://edoc.ub.uni-muenchen.de/14715/ http://d-nb.info/1025224418/34 https://nbn-resolving.org/urn:nbn:de:bvb:19-147159 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025357910&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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