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Development of advanced transparent conductive electrodes for large-area optoelectronic devices

 
: Szyszka, B.; Gombert, A.; Loebmann, P.; May, C.; Elsaesser, C.

Advanced Coatings for Large-Area or High-Volume Products. ICCG 2008, 7th International Conference on Coatings on Glass and Plastics. Proceedings : June 15-19, 2008, NH Conference Centre Koningshof, Eindhoven/Veldhoven, the Netherlands
Eindhoven, 2008
ISBN: 978-90-5986-281-4
S.237-238
International Conference on Coatings on Glass and Plastics (ICCG) <7, 2008, Eindhoven>
Englisch
Konferenzbeitrag
Fraunhofer IPMS ()
Fraunhofer IST ()
TCO; opto-electronic devices

Abstract
The need for transparent electrodes to be applied as electrical contacts for inorganic and organic light emitting diodes, solar cells and flat panel displays is strongly increasing due to the extensive market growth in these areas. The solutions available on the market today fulfill the demands on low resistivity, high transmittance,large area deposition,low cost manufacturing,and ability for fine patterning, light scattering and precise alignment of the electronic structure to surrounding semiconductors only partially.
The coopereration of five Fraunhofer Institutes aims towards achieving fundamental knowlegde and control about the defect chemistry and morphology of the transparent semiconductive oxides to manufacture materials with outstanding proterties such as ZnO:Al film with doping efficiency >80%, n-type TCO films based on TiO2:Nb and Zn-stannates and Ag-based multilayers. New TOCs will be developed using advanced PVD and Sol-Gel techniques.
Using these new materials for device applications, we expect a strong impact towards more advanced and more efficient products. First results of our work addressing band structure simulataion, material and process development will be shown.

: http://publica.fraunhofer.de/dokumente/N-84263.html