Optical properties of black and white ZrO2 for solar receiver applications

Year: 2015

Authors: Sani E., Mercatelli L., Sans J-L., Sciti D.

Autors Affiliation: CNR-INO, Istituto Nazionale di Ottica, Firenze 50125, Italy; PROMES-CNRS Processes, Materials and Solar Energy Laboratory,Font Romeu 66120, France; CNR-ISTEC, Istituto di Scienza e Tecnologia dei Materiali Ceramici, 48018 Faenza, Italy

Abstract: Zirconia (ZrO2) is a well known oxide refractory material, possessing high strength and high melting point. Black zirconia is a variant of conventional zirconia obtained by the addition of a pigments percentage which changes its color from white to black. The present work shows, for the first time to the best of our knowledge, optical spectra of black ZrO2 in the range 0.3–16.3 mm, comparing them to those of a conventional white stoichometric sample. Moreover, preliminary data on the high temperature emittance of black ZrO2 are shown as well.


Volume: 140      Pages from: 477  to: 482

More Information: Financial support by the Access to Research Infrastructures activity in the 7th Framework Programme of the EU (SFERA Grant agreement no. 228296) is gratefully acknowledged, as well as the PROMES Director and PROMES Researchers for the use of facilities. Authors thank M. Pucci and M. D\’Uva (CNR-INO) for technical assistance. Acknowledgments are also due to C. Capiani (CNR-ISTEC) for materials preparation, M. Mazzocchi (CNR-ISTEC) for X-ray diffraction analysis and Dr. M. Meucci (CNR-INO) for help in optical measurements.
KeyWords: Refractory materials; Solar energy; Strength of materials; Zirconia; Zirconium alloys, Concentrating solar power; Emittances; High melting point; High strength; High temperature; Optical spectra; Solar plant; Solar receiver, Optical properties
DOI: 10.1016/j.solmat.2015.02.007

Citations: 32
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