Labeling Co-Sensitizer Dye for XPS Quantification in Coadsorption Dye-Sensitized Solar Cells

DOI Web Site 被引用文献2件 参考文献6件
  • Honda Mitsunori
    Global Research Center for Environment and Energy Based on Nanomaterials Science, National Institute for Materials Science (NIMS), Japan
  • Yanagida Masatoshi
    Global Research Center for Environment and Energy Based on Nanomaterials Science, National Institute for Materials Science (NIMS), Japan
  • Han Liyuan
    Global Research Center for Environment and Energy Based on Nanomaterials Science, National Institute for Materials Science (NIMS), Japan
  • Miyano Kenjiro
    Global Research Center for Environment and Energy Based on Nanomaterials Science, National Institute for Materials Science (NIMS), Japan

抄録

Quantifying the coadsorption of dye molecules on nanoporous TiO2 is difficult because of the complex adsorption structure between the dye and TiO2 surface. D131 dye absorbs strongly in the ultraviolet region and is a common co-sensitizer for dye-sensitized solar cells. In this study, we showed that Cl-terminated D131 dye coadsorbed with a Ru complex on nanoporous TiO2 can be used as a labeling compound to quantify coadsorption systems by X-ray photoelectron spectroscopy (XPS). Cl-terminated D131 alone and Cl-terminated D131 and N719 coadsorbed on nanoporous TiO2 were measured with XPS. The Cl atoms were quantified by the peak intensity ratio of the Cl 1s and Ti 2p peaks. In the Cl-terminated D131 + N719 coadsorption system, the amount of Cl-terminated D131 dye adsorbed decreased by about 44% for the 1:1 mixture. Our technique could also be used to quantify other dyes in co-sensitizer systems, such as black dye and N3 dye. [DOI: 10.1380/ejssnt.2014.63]

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