Solution processed OLEDs: synthesis of crosslinkable organic host materials and investigations on novel organic/inorganic hybrid nanoparticles
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| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
Köln
2016
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| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | IV, 189 Seiten Diagramme |
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MARC
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| 245 | 1 | 0 | |a Solution processed OLEDs |b synthesis of crosslinkable organic host materials and investigations on novel organic/inorganic hybrid nanoparticles |c vorgelegt von Jeanette Isabel Hütges |
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Record in the Search Index
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|---|---|
| adam_text | Titel: Solution processed OLEDs
Autor: Hütges, Jeanette Isabel
Jahr: 2016
Inhalt
1 Introduction...................................................................................................1
2 Concept..........................................................................................................3
3 Theoretical Background................................................................................7
3.1 Basics of Organic Light Emitting Diodes (OLEDs)..............................7
3.1.1 Structure of an OLED.....................................................................7
3.1.2 Charge Carrier Injection................................................................8
3.1.3 Charge Transport in amorphous organic semiconductors..........11
3.1.4 Recombination and Radiative Decay...........................................13
3.1.5 Light Outcoupling and OLED Performance................................15
3.1.6 Multilayer OLEDs.........................................................................16
3.2 Solution Processed Multilayer OLEDs...............................................18
3.2.1 Crosslinking..................................................................................19
3.3 Materials..............................................................................................23
3.3.1 Hole- and electron-transport materials.......................................25
3.3.2 Host Materials..............................................................................26
3.3.3 Phosphorescent Emitting Materials............................................28
3.3.4 Organic/Inorganic Hybrid Nanoparticles.....................................30
4 Crosslinkable Semiconducting Materials...................................................37
4.1 Crosslinkable Hole Transporting Material........................................37
4.1.1 Synthesis of crosslinkable HHHH type spirobifluorene.............38
4.1.2 Electrochemical Characterization of S-TTBX4............................38
4.1.3 Optical Characterization of S-TTBX4...........................................40
4.2 Crosslinkable Bipolar Host Materials................................................42
4.2.1 Synthesis of Host Materials with an ET Heteroaromatic Unit.. 44
4.2.2 Electrochemical Characterization of mTPAX4oOXD, TPAX2,
OXDX2 and TPAX2 mPy.................................50
4.2.3 Optical Characterization of mTPAX4oOXD, TPAX2, OXDX2 and
TPAX2 mPy......................................................52
4.2.4 Crosslinking Studies of m-TPAX4-0-OXD....................................55
4.2.5 Crosslinking Studies of TPAX2/OXDX2 Compounds...................63
4.2.6 Crosslinking TPAXg-m Py............................................................^6
4.2.7 Synthesis of Hosts Containing Non-Nucleophilic ET Units.......67
4.2.8 Oxidation Potential of (PDAX)2~S-(PhF)2 and
(PD AX)2- S- (PhF 3)2.........................................................................70
4.2.9 Optical Characterization of (PDAX)2_S (PhF)2 and
(PDAX)2-S-(PhF3)2.........................................................................72
4.2.10 Crosslinking of Hosts Containing Non-Nucleophilic ET
Compound......................................................................................73
4.3 Host Materials with Phenyl Moieties as ET......................................74
4.3.1 Synthesis of Hosts with Phenyl Moieties as ET..........................75
4.3.2 Electrochemical Characterization of (PDAX)2 S-(PhX)2, (DPAXV
fluorene, (PhX)2 fluorene and /m-TPAX2 (rBiPh..........................78
4.3.3 Optical Characterization of (PDAX)2-S (PhX)2, (DPAX)2 fluorene,
(PhX)2 fluorene and m TPAX2 o-BiPh..........................................81
4.3.4 Crosslinking of Hosts with Phenyl Compound as ET.................84
4.4 Conclusion............................................................................................85
4.5 Crosslinkable Green Phosphorescent Emitters.................................87
4.5.1 Crosslinkable Ir(III)-Complexes...................................................87
4.5.2 Synthesis of Crosslinkable Ir(III)-Complexes..............................88
4.5.3 Electrochemical Characterization of Ir(III)-Complexes..............90
4.5.4 Optical Characterization of Ir(III)-Complexes............................91
5 Multilayer OLEDs......................................................................................................95
5.1 PLQY of the emitting layers...............................................................96
5.1.1 PLQY of Non-Crosslinked Emitting Layers doped with
IrGXHTi........................................................................................96
5.1.2 PLQY of Crosslinked Emitting Layers doped with IrGXHTi.....97
5.1.3 PLQY of Non-Crosslinked Emitting Layers doped with either
IrGXHTsorTEGXs........................................................................98
5.2 Influenae of Different Classes of Crosslinkable Host Materials doped
with IrGXHTi in Multilayer OLEDs...................................................99
5.2.1 Non-Crosslinked Multilayer OLEDs with Different Classes of
Host Materials doped with IrGXHTi.........................................100
5.2.2 Crosslinked Multilayer OLEDs with Different Host Materials 104
5.3 Non-Crosslinked Multilayer OLEDs Containing Host Materials doped
with IrGXHTgorTEGXa....................................................................107
5.3.1 Multilayer OLEDs containing emitter IrGXHTg.......................108
5.3.2 Multilayer OLEDs containing emitter TEGX3..........................111
5.4 Lummary............................................................................................113
6 Surface Modification of Li- and Ge- Nanoparticles with
TPD-Derivatives.........................................................................................115
6.1 Si Nanoparticles................................................................................115
6.1.1 Surface Modification of Hydrogen-Terminated Li NPs.............117
6.2 Ge Nanoparticles...............................................................................121
6.2.1 Generation of OleylamineCovered Germanium Nanocrystals 121
6.2.2 TPDDerivatives.........................................................................122
6.2.3 Ligand Exchange of Oleylamine capped Ge NCs......................124
7 Conclusion and Outlook............................................................................135
7.1 Crosslinkable Semiconducting Materials for Solution Processed
Multilayer OLEDs.............................................................................135
7.2 Inorganic/Organic Hybrid Nanoparticles for the Application in
Solution Processed OLEDs................................................................137
8 Experimental Part.....................................................................................139
8.1 Synthesis............................................................................................139
8.1.1 Synthesis of semiconducting organic Materials.........................140
8.1.2 Synthesis of Silicon- and Germanium Nanoparticles............... 165
8.1.3 Surface Modification...................................................................166
8.2 Characterization Methods.................................................................167
8.3 Device Fabrication.............................................................................171
8.3.1 Ozone treatment.........................................................................171
8.3.2 Film Formation by Spincoating..................................................171
8.3.3 Crosslinking of Organic Semiconductors...................................172
8.3.4 Cathode Evaporation..................................................................172
9 Appendix....................................................................................................173
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| any_adam_object | 1 |
| author | Hütges, Jeanette Isabel 1985- |
| author_GND | (DE-588)1104153912 |
| author_facet | Hütges, Jeanette Isabel 1985- |
| author_role | aut |
| author_sort | Hütges, Jeanette Isabel 1985- |
| author_variant | j i h ji jih |
| building | Verbundindex |
| bvnumber | BV043799254 |
| ctrlnum | (OCoLC)959667835 (DE-599)BVBBV043799254 |
| dewey-full | 621.381522 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 621 - Applied physics |
| dewey-raw | 621.381522 |
| dewey-search | 621.381522 |
| dewey-sort | 3621.381522 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Elektrotechnik / Elektronik / Nachrichtentechnik |
| format | Thesis Book |
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| language | English |
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| physical | IV, 189 Seiten Diagramme |
| publishDate | 2016 |
| publishDateSearch | 2016 |
| publishDateSort | 2016 |
| record_format | marc |
| spelling | Hütges, Jeanette Isabel 1985- Verfasser (DE-588)1104153912 aut Solution processed OLEDs synthesis of crosslinkable organic host materials and investigations on novel organic/inorganic hybrid nanoparticles vorgelegt von Jeanette Isabel Hütges Köln 2016 IV, 189 Seiten Diagramme txt rdacontent n rdamedia nc rdacarrier Dissertation Universität zu Köln 2016 Zusammenfassung in deutscher Sprache OLED (DE-588)4762455-3 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content OLED (DE-588)4762455-3 s DE-604 Universität zu Köln (DE-588)2024231-1 dgg HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029210644&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Hütges, Jeanette Isabel 1985- Solution processed OLEDs synthesis of crosslinkable organic host materials and investigations on novel organic/inorganic hybrid nanoparticles OLED (DE-588)4762455-3 gnd |
| subject_GND | (DE-588)4762455-3 (DE-588)4113937-9 |
| title | Solution processed OLEDs synthesis of crosslinkable organic host materials and investigations on novel organic/inorganic hybrid nanoparticles |
| title_auth | Solution processed OLEDs synthesis of crosslinkable organic host materials and investigations on novel organic/inorganic hybrid nanoparticles |
| title_exact_search | Solution processed OLEDs synthesis of crosslinkable organic host materials and investigations on novel organic/inorganic hybrid nanoparticles |
| title_full | Solution processed OLEDs synthesis of crosslinkable organic host materials and investigations on novel organic/inorganic hybrid nanoparticles vorgelegt von Jeanette Isabel Hütges |
| title_fullStr | Solution processed OLEDs synthesis of crosslinkable organic host materials and investigations on novel organic/inorganic hybrid nanoparticles vorgelegt von Jeanette Isabel Hütges |
| title_full_unstemmed | Solution processed OLEDs synthesis of crosslinkable organic host materials and investigations on novel organic/inorganic hybrid nanoparticles vorgelegt von Jeanette Isabel Hütges |
| title_short | Solution processed OLEDs |
| title_sort | solution processed oleds synthesis of crosslinkable organic host materials and investigations on novel organic inorganic hybrid nanoparticles |
| title_sub | synthesis of crosslinkable organic host materials and investigations on novel organic/inorganic hybrid nanoparticles |
| 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=029210644&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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