Nanostructured TiO2 thick films aided by new viscous gels for dye-sensitized solar cell applications

Z. Babamahdi, M. R. Mohammadi (Lead / Corresponding author)

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)

    Abstract

    We develop a facile route for deposition of mesoporous TiO2 thick films over several micrometers by sol–gel and evaporation-induced self-assembly processes using Pluronic F127. The light harvesting of deposited films by two different methods (i.e., using a viscous gel and a paste) is studied by controlling their mesoscopic characteristics, phase composition and thickness for dye-sensitized solar cells applications. It is revealed that the mesoscopic films have mixtures of anatase and rutile crystal structures with surface area in the range 50.6–94.6 m2/g. We observe that the mesoporous TiO2 films prepared under optimized conditions improve light harvesting and dye loading of photoelectrodes. The dye-sensitized solar cell made of optimized mesoporous film shows power conversion efficiency and short circuit current density of 6.35% and 13.49 mA/cm2, respectively. Graphical Abstract: [InlineMediaObject not available: see fulltext.]

    Original languageEnglish
    Pages (from-to)541-550
    Number of pages10
    JournalJournal of Sol-Gel Science and Technology
    Volume82
    Issue number2
    Early online date24 Jan 2017
    DOIs
    Publication statusPublished - May 2017

    Keywords

    • Dye-sensitized solar cell
    • Evaporation-induced self-assembly
    • Nanostructured TiO
    • Viscous gel

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