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conference paper

Optical selective coating for solar absorbers

Joly, M.  
•
Python, M.
•
Antonetti, Y.
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2009
CISBAT 2009 Proceedings, International Scientific Conference Renewables in a Changing Climate
CISBAT 2009

Solar thermal energy is generally accepted as very energy efficient in providing space heating and cooling, desalination of sea water or solar thermal electricity generation. For all these applications, one of the key elements is the optical selective coating for solar absorbers. The process that we developed to produce such multilayered coating for solar thermal absorbers is sol-gel dip-coating; this chrome-free and low-cost process works at atmospheric pressure and temperature. The optical properties of the thin films have been characterized by spectrophotometry and ellipsometry. Coatings deposited on stainless steel substrate exhibit more than 94% of solar absorptance and 11% of thermal emittance at 100°C. These results are particularly interesting since the samples show a very promising durability.

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Optical selective coating for solar absorbers_Joly M..pdf

Type

Postprint

Version

http://purl.org/coar/version/c_ab4af688f83e57aa

Access type

openaccess

License Condition

copyright

Size

6.09 MB

Format

Adobe PDF

Checksum (MD5)

433527fc1235c262d7af16f2b5143b42

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