Durability of dielectric fluids for concentrating photovoltaic systems

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• 作者：M. Victoria ; ^{marta.victoria@ies-def.upm.es} ; S. Askins ; C. Domí ; nguez ; I. Antó ; n ; G. Sala
• 关键词：Fluids ; Concentrators ; UV degradation ; Durability ; Multijunction solar cells
• 刊名：Solar Energy Materials and Solar Cells
• 出版年：2013
• 出版时间：June, 2013
• 年：2013
• 卷：113
• 期：Complete
• 页码：31-36
• 全文大小：861 K

文摘

Several dielectric fluids that might be used for immersing optics are analyzed in this paper. Their transmittances, both before and after an accelerated exposure to ultraviolet (UV) radiation equivalent to several years under real sun, are presented. In addition, the photocurrent losses caused by the decrease in transmittance experienced by each fluid are estimated for current III-V multijunction (MJ) solar cells. The most stable fluids were found to be paraffin and silicone oils whose transmittances remained practically unaltered after a UV dosage equivalent to 3 years of AM1.5D radiation.