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Titel: Transparent conductive oxides for coating applications
Verfasser: Quilitz, Mario
Oliveira, Peter William
Heusing, Sabine
Veith, Michael
Sonstige beteiligte Körperschaft: INM Leibniz-Institut für Neue Materialien
Sprache: Englisch
Erscheinungsjahr: 2009
Quelle: Proceedings / Brazilian-German Workshop on Nanotechnology and Applications, Belo Horizonte, Minas Gerais, Brazil : 07.10.2009 - 08.10.2009 / eds.: Peter W. de Oliveira… - Saarbrücken : INM, Leibniz Inst. for New Materials, 2009, S. 57-66
SWD-Schlagwörter: Beschichtung
DDC-Sachgruppe: 620 Ingenieurwissenschaften und Maschinenbau
Dokumentart : InProceedings (Aufsatz / Paper einer Konferenz etc.)
Kurzfassung: Transparent, conductive oxides (TCOs) applied as coatings find multiple applications in various areas such as flat panel display setups, as electrodes in touch-screen panels, electrochromic devices, slar cells and in architectural applications for example as IR reflectors. The favored material in the class of TCOs is still ITO - Sn-doped In2O3 - due to its unique combination of high transparency and electrical conductivity. Though already very good, the potneital of the ITO coatings with regard to their conductivity leaves some space for future improvements. Also ITO as a material has some serious drawbacks, such as limitied availability and high costs. This work presents some strategies to overcome these obstacles. One way to enhance the conductivities of alternative materials is to use carbon nanotubes as a dopant. This strategy was tested for ATO (Antimony-doped Tin Oxide), Titan dioxide and AZO (Aluminium-doped Zinc oxide). The results for these materials are presented. In coatings of ITO on glass or polymeric foils usually silica-based binders are used. They have the disadvantage to reduce the contact between the highly conducting grains and thus reduce overall conductivity in the composite. The matrix between the nanoparticles can be improved by serveral measures. Experiments with relevance in this direction are discussed. A third strategy aims at the reduction of costs in the process of ITO fabrication. Here one way to go is to use in electrochemical synthesis method. Results of the line of development are presented. Other strategies comprise the suitable processing of materials with a lower intrinsic conductivity or the search for materials with high intrinsic conductivity close to that of ITO. Exmples are presented and discussed.
Link zu diesem Datensatz: urn:nbn:de:bsz:291-scidok-34363
hdl:20.500.11880/24836
http://dx.doi.org/10.22028/D291-24780
ISBN der Druckausgabe: 978-3-00-029964-3
SciDok-Publikation: 8-Mär-2011
Fakultät: Sonstige Einrichtungen
Fachrichtung: SE - INM Leibniz-Institut für Neue Materialien
Fakultät / Institution:INM
SE - Sonstige Einrichtungen

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