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  4. Thin film multilayer design types for colored glazed thermal solar collectors
 
research article

Thin film multilayer design types for colored glazed thermal solar collectors

Schueler, A.  
•
Boudaden, J.
•
Oelhafen, P.
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2005
Solar Energy Materials and Solar Cells

Multilayered inteference filters of dielectric thin films have been designed for the application as energy-efficient coloration of collector cover glasses. The optical behavior of the designed multilayers is analyzed by computer simulations yielding the CIE color coordinates, the relative luminosity, the degree of solar transmission, and a figure of merit which is a measure for the energy effectiveness of the coloration. A high performance should be achieved with a number of individual layers reasonable for large-scale deposition. Constraints on the refractive index of the dielectric films are given by the availability of suitable thin film materials. The challenge lies in finding the best combination of material choice and layer thicknesses. We describe several type of multilayer designs for which the computer simulations yield promising results.

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Type
research article
DOI
10.1016/j.solmat.2004.11.015
Author(s)
Schueler, A.  
Boudaden, J.
Oelhafen, P.
De Chambrier, E.  
Roecker, C.  
Scartezzini, J.-L.  
Date Issued

2005

Published in
Solar Energy Materials and Solar Cells
Issue

89

Start page

219

End page

231

Subjects

Solar thermal energy

•

Solar collector glazing

•

Colored solar collectors

•

Thin film interference coatings

•

Multilayered optical filters

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LESO-PB  
Available on Infoscience
November 7, 2005
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/219437
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