Stability of sol-gel silica glass for CPV and Ultraviolet LED applications

Marco Cannas, Simonpietro Agnello, Daniele Fregonese, Daniele Fregonese, Fulvio Costa

Risultato della ricerca: Articlepeer review

11 Citazioni (Scopus)

Abstract

This paper concerns the characterization of silica glass obtained by a sol-gel technique as to its suitability in the terrestrialand space concentrated photovoltaic (CPV), and ultraviolet light emitting diode (UV LED) industrial sectors.The sol-gel material tested is produced by Evonik Industries and marketed under the brand name SAVOSIL™. The testsperformed were aimed at determining the endurance of the material to radiation exposure and consist of exposure togamma radiation and 355 nm UV laser light. In these tests the transmittance of the glass was measured before and afterthe exposure to the radiation to determine the effect of the radiation treatment. In the case of the test with the 355 nmlaser, in situ measurements were also performed during the irradiation treatment to check for any transitory effects of thehigh intensity radiation. As a reference and for comparison all the tests were also performed under the same conditionson samples of a commercial optical glass of the type commonly used for CPV applications.
Lingua originaleEnglish
pagine (da-a)185-189
Numero di pagine5
RivistaEUROPEAN JOURNAL OF GLASS SCIENCE AND TECHNOLOGY. PART A, GLASS TECHNOLOGY
Volume52
Stato di pubblicazionePublished - 2011

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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