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Spectral Control of Thermal Radiation Using Metal-Dielectric Multilayers for High-Temperature Usage Over 1000°C

[+] Author Affiliations
Makoto Shimizu, Asaka Kohiyama, Fumitada Iguchi, Hiroo Yugami

Tohoku University, Sendai, Japan

Paper No. MNHMT2016-6699, pp. V001T05A016; 4 pages
  • ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer
  • Volume 1: Micro/Nanofluidics and Lab-on-a-Chip; Nanofluids; Micro/Nanoscale Interfacial Transport Phenomena; Micro/Nanoscale Boiling and Condensation Heat Transfer; Micro/Nanoscale Thermal Radiation; Micro/Nanoscale Energy Devices and Systems
  • Biopolis, Singapore, January 4–6, 2016
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4965-1
  • Copyright © 2016 by ASME


The spectrally selective coating technology which can be applicable for solar-thermophotovoltaic (solar-TPV) generation systems is described in this paper. In solar-TPV system, the spectrally selective absorber plays a key role to obtain high-efficiency. The technologies of controlling thermal radiation spectrum at temperature over 1000°C, however, have not been established yet. We focus on metal-dielectric multi-layer coating. This selective coating shows enormously high absorptance at short wavelength range and sharp cutoff property. Thermal stability test confirms that this multi-layer structure can be one of the candidates for the selective coatings for solar-TPV systems.

Copyright © 2016 by ASME



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