Synthesis and evaluation of novel host materials for organic light emitting diodes:
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| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
Regensburg
2015
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| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | ix, 175 Seiten Illustrationen, Diagramme |
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| 245 | 1 | 0 | |a Synthesis and evaluation of novel host materials for organic light emitting diodes |c vorgelegt von Lars Dobelmann aus Leverkusen |
| 264 | 1 | |a Regensburg |c 2015 | |
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| 502 | |b Dissertation |c Universität Regensburg |d 2015 | ||
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Record in the Search Index
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| adam_text | TABLE OF CONTENTS
INTRODUCTION 1
1 LIGHT EMISSION IN ORGANIC SEMICONDUCTORS 1
2 OLED ARCHITECTURE AND WORKING PRINCIPLE 2
3 OLED CONSTITUTION AND RELEVANT CHARACTERISTICS 6
3.1 EMISSIVE LAYER DESIGN 6
3.2 EMISSIVE LAYER MATERIALS 7
3.3 OLED EFFICIENCY 9
3.4 OLED STABILITY AND DEGRADATION 9
4 OVERVIEW OF THIS WORK 11
5 REFERENCES 12
CHAPTER 1 FIRST SYNTHESIS OF NAPHTHALENE ANNULATED OXEPINS 15
1 INTRODUCTION 17
2 RESULTS AND DISCUSSION 17
2.1 SYNTHESIS 17
2.2 X-RAY STRUCTURE ANALYSES 19
2.3 ELECTROCHEMICAL MEASUREMENTS AND QUANTUM MECHANICAL CALCULATIONS 19
2.4 OPTICAL PROPERTIES 21
2.5 SYNTHESIS OF TRIBENZ[B,D,/]OXEPIN 23
3 CONCLUSIONS 24
4 EXPERIMENTAL 24
4.1 EXPERIMENTAL DETAILS AND MATERIALS 24
4.2 PROCEDURES AND ANALYTICAL DATA 25
5 REFERENCES 28
CHAPTER 2 APPROACHES TOWARD HIGHLY CONDENSED LADDER-TYPE
BENZOBISBENZOFURANS 3 1
1 INTRODUCTION 33
2 RESULTS AND DISCUSSION 35
2.1 RING-FORMING REACTIONS FOR THE CONSTRUCTION OF DIBENZOFURANS 35
2.2 SYNTHESIS 36
2.3 COMPARISON OF ABSORPTION AND FLUORESCENCE SPECTRA 42
3 CONCLUSIONS & OUTLOOK 44
3.1 OUTLOOK 45
4 EXPERIMENTAL 45
4.1 GENERAL CONSIDERATIONS 45
4.2 SYNTHESIS 46
5 REFERENCES 51
CHAPTER 3 DIBENZOFURAN - A PROMISING LINKER IN BIPOLAR HOST
MATERIALS FOR APPLICATION IN PHOSPHORESCENT OLEDS 53
1 INTRODUCTION 55
1.1 REMARKS TO THE EVALUATION OF MATERIALS IN DEVICES 56
2 IMPLEMENTATION OF GEOMETRICAL STRAIN AS VERSATILE TOOL TO TAILOR THE
ELECTRONIC STRUCTURE OF BIPOLAR
HOSTS FOR HIGHLY EFFICIENT PHOLEDS 58
2.1 INTRODUCTION 58
2.2 RESULTS AND DISCUSSION 59
2.3 SUMMARY 71
3 EVALUATION OF LINKAGE MODE OF ELECTRON-DONATING SUBSTITUENT IN
DIBENZOFURAN-BASED HOST
MATERIALS 73
3.1 INTRODUCTION 73
3.2 RESULTS AND DISCUSSION 74
3.3 SUMMARY 84
4 THE EFFECT OF THE SUBSTITUTION POSITION ON THE DEVICE PERFORMANCE OF
DIBENZOFURAN-BASED BIPOLAR
HOSTS 85
4.1 INTRODUCTION 85
4.2 RESULTS AND DISCUSSION 86
4.3 SUMMARY 95
5 TUNING THE OPTOELECTRONIC PROPERTIES THROUGH DIBENZOTHIOPHENE SCAFFOLD
97
5.1 INTRODUCTION 97
5.2 RESULTS & DISCUSSION 98
5.3 SUMMARY 103
6 ENGINEERING THE SUBSTITUTION POSITION OF DIPHENYLTRIAZINE AT
DIBENZOFURAN FOR HIGHLY STABILE BIPOLAR
HOST MATERIALS 104
6.1 INTRODUCTION 104
6.2 RESULTS L DISCUSSION 105
6.3 SUMMARY 114
7 CONCLUSION 115
8 EXPERIMENTAL 116
8.1 EXPERIMENTAL METHODS AND MATERIALS 116
8.2 COMPUTATIONAL PROCEDURE 118
8.3 OLED DEVICE FABRICATION AND CHARACTERIZATION 118
8.4 PROCEDURES AND ANALYTICAL DATA 119
9 REFERENCES 139
SUMMARY 1 4 3
SUMMARY (GERMAN) 1 4 5
APPENDIX 1 4 9
1 ABBREVIATIONS 149
2 CYCLIC VOLTAMMOGRAMS 151
3 CRYSTAL STRUCTURE DATA 153
4 HOMO, LUMO AND ET VALUES OF APPLIED MERCK-MATERIALS 156
5 1H- AND 13C-NMR-SPECTRA 156
6 CURRICULUM VITAE 175
|
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| indexdate | 2024-07-10T07:55:04Z |
| institution | BVB |
| language | English |
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| physical | ix, 175 Seiten Illustrationen, Diagramme |
| publishDate | 2015 |
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| spelling | Dobelmann, Lars 1986- Verfasser (DE-588)1141180073 aut Synthesis and evaluation of novel host materials for organic light emitting diodes vorgelegt von Lars Dobelmann aus Leverkusen Regensburg 2015 ix, 175 Seiten Illustrationen, Diagramme txt rdacontent n rdamedia nc rdacarrier Dissertation Universität Regensburg 2015 Niedermolekulare Verbindungen (DE-588)4310495-2 gnd rswk-swf OLED (DE-588)4762455-3 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content OLED (DE-588)4762455-3 s Niedermolekulare Verbindungen (DE-588)4310495-2 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029927977&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Dobelmann, Lars 1986- Synthesis and evaluation of novel host materials for organic light emitting diodes Niedermolekulare Verbindungen (DE-588)4310495-2 gnd OLED (DE-588)4762455-3 gnd |
| subject_GND | (DE-588)4310495-2 (DE-588)4762455-3 (DE-588)4113937-9 |
| title | Synthesis and evaluation of novel host materials for organic light emitting diodes |
| title_auth | Synthesis and evaluation of novel host materials for organic light emitting diodes |
| title_exact_search | Synthesis and evaluation of novel host materials for organic light emitting diodes |
| title_full | Synthesis and evaluation of novel host materials for organic light emitting diodes vorgelegt von Lars Dobelmann aus Leverkusen |
| title_fullStr | Synthesis and evaluation of novel host materials for organic light emitting diodes vorgelegt von Lars Dobelmann aus Leverkusen |
| title_full_unstemmed | Synthesis and evaluation of novel host materials for organic light emitting diodes vorgelegt von Lars Dobelmann aus Leverkusen |
| title_short | Synthesis and evaluation of novel host materials for organic light emitting diodes |
| title_sort | synthesis and evaluation of novel host materials for organic light emitting diodes |
| topic | Niedermolekulare Verbindungen (DE-588)4310495-2 gnd OLED (DE-588)4762455-3 gnd |
| topic_facet | Niedermolekulare Verbindungen OLED Hochschulschrift |
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| work_keys_str_mv | AT dobelmannlars synthesisandevaluationofnovelhostmaterialsfororganiclightemittingdiodes |