Investigations on solution processed p-doped hole transporting materials for application in organic light emitting diodes and memory elements:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2016
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis Inhaltsverzeichnis |
| Beschreibung: | Zusammenfassung in deutscher und englischer Sprache |
| Beschreibung: | IV, 160 Seiten Illustrationen, Diagramme |
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| 100 | 1 | |a Töpel, Thomas Christian |d 1987- |e Verfasser |0 (DE-588)1081953357 |4 aut | |
| 245 | 1 | 0 | |a Investigations on solution processed p-doped hole transporting materials for application in organic light emitting diodes and memory elements |c vorgelegt von Thomas Christian Töpel aus Köln |
| 264 | 1 | |c 2016 | |
| 300 | |a IV, 160 Seiten |b Illustrationen, Diagramme | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 500 | |a Zusammenfassung in deutscher und englischer Sprache | ||
| 502 | |b Dissertation |c Universität zu Köln |d 2015 | ||
| 650 | 0 | 7 | |a OLED |0 (DE-588)4762455-3 |2 gnd |9 rswk-swf |
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 689 | 0 | 0 | |a OLED |0 (DE-588)4762455-3 |D s |
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| 999 | |a oai:aleph.bib-bvb.de:BVB01-028975767 | ||
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Titel: Investigations on solution processed p-doped hole transporting materials for application in organic
Autor: Töpel, Thomas Christian
Jahr: 2016
Contents
1 Introduction 1
2 Concept 5
3 Theory 9
3.1 Basic Principles..................................................................10
3.1.1 Charge Carrier Injection................................................12
3.1.1.1 Thermionic Injection..........................................12
3.1.1.2 Tunneling Injection............................................13
3.1.2 Charge Transport........................................................13
3.1.3 Charge Carrier Recombination..........................................15
3.1.4 Emission of Light........................................................16
3.1.5 OLED Efficiency........................................................18
3.1.6 Loss Pathways ..........................................................21
3.2 Device Architecture and Materials..............................................24
3.2.1 Multilayer Devices......................................................24
3.2.2 Cavity Optimization....................................................26
3.2.3 Cavity OLEDs ..........................................................27
3.2.4 Tandem OLEDs..........................................................28
3.2.5 Materials ................................................................29
3.2.6 Triplet Emitters..........................................................32
3.2.7 Crosslinking..............................................................32
3.2.8 Photolithography........................................................35
3.2.9 Principle of Doping......................................................36
3.2.9.1 Crosslinking Induced Self Doping............................40
3.3 The Influence of Colors..........................................................40
3.3.1 The CIE System ........................................................41
3.3.2 Color and Efficiency ....................................................43
4 Results and Discussion 45
4.1 Dopant evaluation ..............................46
4.1.1 Used Hole Transporting Materials...................46
4.1.2 Available p-Dopants ..........................47
4.1.3 Material Compatability.........................48
4.1.3.1 Energetic Compatability...................48
4.1.3.2 Influence on Crosslinking and Film Forming Properties . . 49
4.1.4 Conclusion of Dopant Evaluation...................
4.2 Influence of Solution Processed p-Doping on the Electronic Properties ... 53
4.2.1 p-doping of QUPD......................................................65
4.2.2 Comparison of Doping Induced Electronic Influences ................58
4.2.3 Conclusion of Solution Processed p-Doping and the Effects on the
Electronic Properties....................................................62
4.3 Solution Processed Multilayer OLEDs with pHTL............................64
4.3.1 Simulation Supported Stack Design and Optimization........64
4.3.2 Theoretical Derivation of Expectations................................68
4.3.3 Influence on OLED Characteristics....................................72
4.3.4 Conclusion on the Influence of p-Doping on OLED Characteristics . 82
4.3.5 Influence on OLED Lifetime............................................83
4.3.5.1 Emitter Originating Degradation..............84
4.3.5.2 Hole Transporting Layer Originating Degradation.....87
4.3.6 Conclusion of the Influence on OLED Lifetime........................93
4.3.7 Optimized p-Doped Solution-Processed Small-Molecular Multilayer
OLED....................................................................93
4.3.8 Conclusion of Solution Processed p-Doped Multilayer OLEDs ... 96
4.4 Solution Processed Small Molecular Multilayer Tandem OLEDs Employing
p-Doped Hole Transporting Layers ......................97
4.4.1 Solution Processed Polymer Tandem OLEDs.............99
4.4.2 Solution Processed Small Molecular Multilayer Tandem OLEDs . . 104
4.4.3 Interlayer Optimization.........................106
4.4.4 Introducing p-Doped Hole Transporting Layers - a Solution for
many Problems? ..............................................107
4.4.5 Simulation Supported Tandem OLED Stack Design and Optimization 111
4.4.6 Optimized Small Molecular p-Doped Multilayer Tandem OLED . . 112
4.4.7 Conclusion of Solution Processed p-Doped Small Molecular Multi-
layer Tandem OLEDs.........................114
4.5 Organic Read Only Memories.........................115
4.5.1 Evaluation of the Material s Compatibility with the OROM Concept 118
4.5.2 Implementation into a Passive Matrix Array.............120
4.5.2.1 Processing Related Trouble-Shooting............122
4.5.2.2 Integration of p-Doped Hole Transporting Layers into the
OROM Passive Matrix....................123
4.5.3 Conclusion on Organic Read Only Memories.............126
5 Conclusion and Outlook 127
5.1 Conclusion....................................128
5.2 Outlook.....................................130
6 Experimental 133
6.1 Material Properties...............................134
6.1.1 Cyclic Voltammetry ..........................134
6.1.2 Absorption Spectra...........................134
6.1.3 Photoluminance Spectra........................134
6.2 OLED Fabrication ...............................135
6.2.1 Device Geometry............................135
6.2.2 Substrate Preparation.........................136
6.2.3 Film Application............................137
6.2.3.1 Crosslinking..........................137
6.2.3.2 Doping ............................137
6.2.4 Electrode Evaporation.........................138
6.2.5 Hole Only Devices ...........................138
6.2.6 Encapsulation..............................138
6.2.7 Numerical Simulations.........................138
6.2.8 PEDOT FE T Anodes.........................138
6.3 OLED Characterization ............................139
6.3.1 Light Current Voltage Characteristics.................139
6.3.2 Electroluminescense Spectra......................139
6.3.3 OLED Life Time............................139
6.4 Surface Analysis.................................140
6.4.1 Tactile Prohlometry ..........................140
6.4.2 Scanning Electron Microscopy.....................140
7 Appendix 141
7.1 Acronyms and Scientific Constants ......................142
7.2 Materials and Structures 144
7.3 wt% to mol% Conversion Tables 148
Bibliography 149
|
| any_adam_object | 1 |
| author | Töpel, Thomas Christian 1987- |
| author_GND | (DE-588)1081953357 |
| author_facet | Töpel, Thomas Christian 1987- |
| author_role | aut |
| author_sort | Töpel, Thomas Christian 1987- |
| author_variant | t c t tc tct |
| building | Verbundindex |
| bvnumber | BV043560682 |
| ctrlnum | (OCoLC)949656100 (DE-599)GBV847462218 |
| dewey-full | 530 621.3 537.6226 |
| dewey-hundreds | 500 - Natural sciences and mathematics 600 - Technology (Applied sciences) |
| dewey-ones | 530 - Physics 621 - Applied physics 537 - Electricity and electronics |
| dewey-raw | 530 621.3 537.6226 |
| dewey-search | 530 621.3 537.6226 |
| dewey-sort | 3530 |
| dewey-tens | 530 - Physics 620 - Engineering and allied operations |
| discipline | Physik Elektrotechnik / Elektronik / Nachrichtentechnik |
| format | Thesis Book |
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| language | English |
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| physical | IV, 160 Seiten Illustrationen, Diagramme |
| publishDate | 2016 |
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| spelling | Töpel, Thomas Christian 1987- Verfasser (DE-588)1081953357 aut Investigations on solution processed p-doped hole transporting materials for application in organic light emitting diodes and memory elements vorgelegt von Thomas Christian Töpel aus Köln 2016 IV, 160 Seiten Illustrationen, Diagramme txt rdacontent n rdamedia nc rdacarrier Zusammenfassung in deutscher und englischer Sprache Dissertation Universität zu Köln 2015 OLED (DE-588)4762455-3 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content OLED (DE-588)4762455-3 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=028975767&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=028975767&sequence=000003&line_number=0002&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Töpel, Thomas Christian 1987- Investigations on solution processed p-doped hole transporting materials for application in organic light emitting diodes and memory elements OLED (DE-588)4762455-3 gnd |
| subject_GND | (DE-588)4762455-3 (DE-588)4113937-9 |
| title | Investigations on solution processed p-doped hole transporting materials for application in organic light emitting diodes and memory elements |
| title_auth | Investigations on solution processed p-doped hole transporting materials for application in organic light emitting diodes and memory elements |
| title_exact_search | Investigations on solution processed p-doped hole transporting materials for application in organic light emitting diodes and memory elements |
| title_full | Investigations on solution processed p-doped hole transporting materials for application in organic light emitting diodes and memory elements vorgelegt von Thomas Christian Töpel aus Köln |
| title_fullStr | Investigations on solution processed p-doped hole transporting materials for application in organic light emitting diodes and memory elements vorgelegt von Thomas Christian Töpel aus Köln |
| title_full_unstemmed | Investigations on solution processed p-doped hole transporting materials for application in organic light emitting diodes and memory elements vorgelegt von Thomas Christian Töpel aus Köln |
| title_short | Investigations on solution processed p-doped hole transporting materials for application in organic light emitting diodes and memory elements |
| title_sort | investigations on solution processed p doped hole transporting materials for application in organic light emitting diodes and memory elements |
| topic | OLED (DE-588)4762455-3 gnd |
| topic_facet | OLED Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=028975767&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=028975767&sequence=000003&line_number=0002&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT topelthomaschristian investigationsonsolutionprocessedpdopedholetransportingmaterialsforapplicationinorganiclightemittingdiodesandmemoryelements |
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