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Effect of Annealing Temperature on the Performances and Electrochemical Properties of TiO_2 Dye-Sensitized Solar Cells

机译:退火温度对TiO_2染料敏化太阳能电池性能和电化学性能的影响

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摘要

The influences of thermal annealing on the microstructure, dye-adsorption, surface area, electrical properties and power conversion efficiency of well-crystallized TiO_2 photoelectrodes of dye-sensitized solar cells have been systematically investigated. Although the heat treatment of TiO_2 photoelectrodes at higher temperatures was found to result in an enhanced electron transport, it was accompanied with a reduced specific surface area and less adsorbed dye molecules. A power conversion efficiency of 5.1 ±0.2% was obtained with a negligible deviation for the samples heat-treated at temperatures ranging from 350℃ to 600 ℃.
机译:系统研究了热退火对染料敏化太阳能电池良好结晶的TiO_2光电极的微观结构,染料吸附,表面积,电性能和功率转换效率的影响。尽管发现在较高的温度下对TiO_2光电极进行热处理可以增强电子传输,但是它却伴随着比表面积的减小和染料分子的吸附减少。对于在350℃至600℃范围内进行热处理的样品,其功率转换效率为5.1±0.2%,偏差可忽略不计。

著录项

  • 来源
    《Science of advanced materials》 |2012年第7期|p.727-733|共7页
  • 作者单位

    School of Chemistry and Chemical Engineering, Southeast University, Nanjing, Jiangsu 211189, China,Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA;

    Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA,Physics Department, Al Azhar University-Gaza, P.O.Box 1277, Gaza, Palestine;

    Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA;

    School of Chemistry and Chemical Engineering, Southeast University, Nanjing, Jiangsu 211189, China;

    Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    dye-sensitized solar cells; annealing temperature; morphology; surface area; impedancespectroscopy;

    机译:染料敏化太阳能电池;退火温度形态学;表面积;阻抗谱;

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