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Proceedings Paper

Colour control and selectivity in TiAlN solar-thermal absorbers
Author(s): Shuxi Zhao; Dechun Zhu; Carl-G. Ribbing
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Paper Abstract

Optical constants for simulations were obtained by R- and T-measurements on TiAlN thin films deposited on Corning 7059 glass. The model parameterized free carrier effects and an inter-band excitation. The calculations demonstrated that the colour effects are due to interference and inter-band absorption around 500 nm in a single layer coating. The peak shifts with the thickness of the thin film which gives a simple way to obtain different colours. Solar absorptance of 86 % can be reached already for a single TiAlN-film on an Al substrate.

Paper Details

Date Published: 4 October 2011
PDF: 9 pages
Proc. SPIE 8168, Advances in Optical Thin Films IV, 81680G (4 October 2011); doi: 10.1117/12.896591
Show Author Affiliations
Shuxi Zhao, Uppsala Univ. (Sweden)
Dechun Zhu, Hefei Univ. of Technology (China)
Carl-G. Ribbing, Uppsala Univ. (Sweden)

Published in SPIE Proceedings Vol. 8168:
Advances in Optical Thin Films IV
Michel Lequime; H. Angus Macleod; Detlev Ristau, Editor(s)

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