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Physics of materials in organic electronics
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- Tengstedt, Carl, 1974- (author)
- Linköpings universitet,Institutionen för teknik och naturvetenskap,Tekniska högskolan
- (creator_code:org_t)
- ISBN 9173739324
- Norrköping, Sweden : Linköpings universitet, 2004
- English 99 s.
- Series: Linköping Studies in Science and Technology. Thesis, 0280-7971 ; 1086
- Licentiate thesis (other academic/artistic)
Abstract
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- The research included in this thesis is regarding materials physics in organic electronics. The thesis consists of two projects: one applied and one basic science in nature. The applied project concerns modification of charge injection properties in organic electronics. The choice of the materials used as anodes and cathodes in polymer light emitting devices, PLEDs, plays a crucial role in device performance. The electrodes, often multi-component/layer systems, need to be chosen in such a way that that they fit the properties of the active material. Here, the electronic, chemical and physical properties of materials for so-called hole transporting layers (HTL) were studied and used to explain and improve the performance of polymer-based light emitting diodes (PLED). The study focused on the properties most important for devices, e.g. film morphology, work function and chemical composition, and the results were compared to PLED 1-V characteristics and luminescence efficiency. The second project aimed to provide basic understanding of issues concerning charge confinement (and charge injection) in small molecules. The n-doping of an component of an organic-based magnetic semiconductor was studied as a first step towards understanding the electronic and magnetic properties of the actual magnetic material.
Keyword
- TECHNOLOGY
- TEKNIKVETENSKAP
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- vet (subject category)
- lic (subject category)
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