OATAO - Open Archive Toulouse Archive Ouverte Open Access Week

Functionalization of SiC-based materials by a selective YBa2Cu3O7-δ coating via sol–gel route in order to optimize their optical properties

Mollicone, Jessica and Lenormand, Pascal and Ansart, Florence and Rousseau, Benoît Functionalization of SiC-based materials by a selective YBa2Cu3O7-δ coating via sol–gel route in order to optimize their optical properties. (2015) Thin Solid Films, 596. 18-23. ISSN 0040-6090

[img]
Preview
(Document in English)

PDF (Author's version) - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
945kB

Official URL: http://dx.doi.org/10.1016/j.tsf.2015.08.063

Abstract

SiC-based materials are good candidates for the application as solar receivers except concerning their optical properties. Indeed, considering the use at high temperature, materials used as solar receivers have to efficiently absorb the visible-near infrared waves (corresponding to solar spectral range) and simultaneously reflect the mid and far-infrared rays but SiC is absorbent in all the whole visible-infrared spectral domain. In this challenging work, a suitable YBa2Cu3O7-δ oxide which can present appropriate optical properties is studied. It was synthesized following a sol–gel route and it was obtained with a high level of purity. YBa2Cu3O7-δ pellets were realized and heat treated at different temperatures revealing that the higher the heat treatment is, the better the oxygen stoichiometry (7-δ) is and the smoothest the surface is. This directly acts on the YBa2Cu3O7-δ optical properties. Considering these results, an YBa2Cu3O7-δ coating was realized on SiC pellets by dip-coating. A homogenous and covering layer of about 10 μm was obtained presenting very promising optical properties which were predominant in the FIR-MIR range whereas absorptance was increased in NIR-visible range.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The original PDF of the article can be found at : https://www.sciencedirect.com/science/article/pii/S0040609015009323
HAL Id:hal-01753841
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > Université de Nantes (FRANCE)
Laboratory name:
Funders:
French National Research Agency
Statistics:download
Deposited By: cirimat webmestre
Deposited On:29 Mar 2018 15:13

Repository Staff Only: item control page