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      Dye-sensitized solar cell with a titanium-oxide-modified carbon nanotube transparent electrode

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      Author
      Kyaw, A. K. K.
      Tantang, H.
      Wu, T.
      Ke, L.
      Peh, C.
      Huang, Z. H.
      Zeng, X. T.
      Demir, Hilmi Volkan
      Zhang, Q.
      Sun, X. W.
      Date
      2011-07-15
      Source Title
      Applied Physics Letters
      Print ISSN
      0003-6951
      Publisher
      American Institute of Physics
      Volume
      99
      Issue
      2
      Pages
      21107-1 - 21107-3
      Language
      English
      Type
      Article
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      Abstract
      Transparent and conductive carbon-based materials are promising for window electrodes in solid-state optoelectronic devices. However, the catalytic activity to redox reaction limits their application as a working electrode in a liquid-type dye-sensitized solar cell (DSSC). In this letter, we propose and demonstrate a transparent carbon nanotubes (CNTs) film as the working electrode in a DSSC containing iodide/triiodide redox couples. This implementation is realized by inhibiting the charge-transfer kinetics at CNT/redox solution interface with an aid of thin titanium oxide film that facilitates the unidirectional flow of electrons in the cell without sacrificing the electrical and optical properties of CNT.
      Keywords
      Films
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      http://hdl.handle.net/11693/12214
      Published Version (Please cite this version)
      http://dx.doi.org/10.1063/1.3610488
      Collections
      • Department of Electrical and Electronics Engineering 3597
      • Department of Physics 2329
      • Institute of Materials Science and Nanotechnology (UNAM) 1831
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