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Proceedings Paper

Manipulations of thermal emission by β-FeSi2 thin films and nanostructures
Author(s): Yasuyuki Kaneko; Motofumi Suzuki; Kaoru Nakajima; Kenji Kimura
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Paper Abstract

Thermophotovoltaic power generation has recently attracted considerable attention as a means to use waste heat. In order to improve the efficiency of TPV power generation, it is necessary to develop spectrally and directionally selective thermal emitters. By taking advantage of high refractive index of β-FeSi2 (n ∼ 5), we have successfully demonstrated that the spectrally selective emitter is fabricated by sputtering a β-FeSi2 thin film on a polished 304 stainless steel substrate. A noble bottom up process to fabricate periodic array of β-FeSi2 nanopillars, which are necessary for the directionally selective emission, will be also presented.

Paper Details

Date Published: 10 October 2012
PDF: 6 pages
Proc. SPIE 8465, Nanostructured Thin Films V, 846516 (10 October 2012); doi: 10.1117/12.929251
Show Author Affiliations
Yasuyuki Kaneko, Kyoto Univ. (Japan)
Motofumi Suzuki, Kyoto Univ. (Japan)
Kaoru Nakajima, Kyoto Univ. (Japan)
Kenji Kimura, Kyoto Univ. (Japan)


Published in SPIE Proceedings Vol. 8465:
Nanostructured Thin Films V
Tom G. Mackay; Yi-Jun Jen; Raúl J. Martín-Palma, Editor(s)

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