Transparent Heat Reflecting Coatings (THRC) Based On Highly Doped Tin Oxide And Indium Oxide

G. Frank; E. Kauer; H. Kostlin; F. J. Schmitte

doi:10.1117/12.933255

12 April 1982 Transparent Heat Reflecting Coatings (THRC) Based On Highly Doped Tin Oxide And Indium Oxide

G. Frank, E. Kauer, H. Kostlin, F. J. Schmitte

Proceedings Volume 0324, Optical Coatings for Energy Efficiency and Solar Applications; (1982) https://doi.org/10.1117/12.933255
Event: 1982 Los Angeles Technical Symposium, 1982, Los Angeles, United States

Abstract

A number of highly doped oxides - in particular Sn0₂ and In₂0₃ - have been reported to show high infrared reflectivity while being transparent to visible radiation. Their optical behaviour is based on metal-like properties i.e. high concentration and mobility of the conduction electrons and a semiconductor bandgap of about 3 eV or higher. Thin films of these oxides can be adapted for many applications and a few examples will be described. The performance of these filters strongly depends on the doping and preparation conditions. Coatings prepared by spray pyrolysis show excellent electrical and optical properties, the upper limits of which are being discussed on the basis of defect mechanisms in solids.

Citation Download Citation

G. Frank, E. Kauer, H. Kostlin, and F. J. Schmitte "Transparent Heat Reflecting Coatings (THRC) Based On Highly Doped Tin Oxide And Indium Oxide", Proc. SPIE 0324, Optical Coatings for Energy Efficiency and Solar Applications, (12 April 1982); https://doi.org/10.1117/12.933255

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