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Light emitting diodes based on n-type ZnO nanorods and p-type organic semiconductors
Linköping University, Department of Science and Technology.
2008 (English)Independent thesis Basic level (professional degree), 20 points / 30 hpStudent thesis
Abstract [en]

The aim of this thesis work was to fabricate a hybrid LED using organic-inorganic ZnO materials. The goal of the project was to get an efficient white light emission from zinc oxide (ZnO) nanorods active layer. Since most of the organic materials are good for hole mobility and most of the inorganic materials are good for electron mobility, it is possible to fabricate a high performance heterostructure electroluminescence device from organic-inorganic materials. This thesis work was an attempt towards fabricating such a high electroluminescence LED from hybrid materials in which polymer acts as a p-type material and ZnO acts as a n-type material. The growth mechanism of ZnO nanorods using low-temperature aqueous solution method has been studied and nanorods (NRs) growth was examined with scanning electron microscope (SEM). Optimum hole injection polymers have been studied. Finally, the fabricated device was characterized using parameter analyzer. The fabricated device worked as a diode i.e. it rectified current as expected and the desirable light emission has almost been achieved.

Place, publisher, year, edition, pages
Institutionen för teknik och naturvetenskap , 2008. , 79 p.
Keyword [en]
ZnO, ACG, organic, Inorganic, Polymer, nanorods
National Category
Condensed Matter Physics
URN: urn:nbn:se:liu:diva-11197ISRN: LIU-ITN-TEK-A--08/023--SEOAI: diva2:17616
2008-02-19, TP 4084, Täppan, Norrköping, Norrköping, 10:15
Available from: 2008-03-20 Created: 2008-03-20

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