Spectral transmittance of di-methyl silicon oil as a heat transfer material for concentrator solar cells

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• 作者：Boyang Zhang 张博閿/a> ; Yiping Wang 王一巿/a> ; Qunwu Huang 黄群櫿/a>…
• 关键词：concentrator photovoltaic ; di ; methyl silicon oil ; accelerated life test ; recovery method
• 刊名：Transactions of Tianjin University
• 出版年：2015
• 出版时间：October 2015
• 年：2015
• 卷：21
• 期：5
• 页码：453-460
• 全文大小：674 KB
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• 作者单位：Boyang Zhang 张博阳 (1)
  Yiping Wang 王一平 (1)
  Qunwu Huang 黄群武 (1)
  Jiahe Feng 冯加和 (1)
  Yong Cui 崔 勇 (2)
  
  1. School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
  2. Tianjin University Research Institute of Architectural Design & Urban Planning, Tianjin, 300072, China
  
• 刊物类别：Engineering
• 刊物主题：Chinese Library of Science
  
• 出版者：Tianjin University
• ISSN：1995-8196

文摘

The accelerated life test was carried out to investigate the change of spectral transmittance of di-methyl silicon oil and the effects on the electrical performance of silicon solar cell. The di-methyl silicon oil samples before and after accelerated life test were analyzed by FT-IR, GC-MS and LC-MS. The ring compounds and linear compounds with larger molecular weight were detected. The spectral transmittance of di-methyl silicon oil decreased because the chromophore and auxochrome of the products made a sunlight receive decrease on the surface of the solar cell, and resulted in the reduction of cell performance. According to the decrease of spectral transmittance of di-methyl silicon oil, two recovery methods were proposed. The results showed that extraction was superior to vacuum distillation in recovering the aged di-methyl silicon oil.