Application of anodic titanium oxide to dye-sensitized solar cells

Woo Young Kim, Yoonmook Kang, Donghwan Kim

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    Dye-sensitized solar cells were fabricated using anodized titanium oxide. An aqueous solution of 0.5 wt % HF was used for the electrolyte and platinum plate was used for the counter electrode in the anodizing process at a voltage of 20 V. We obtained well-arranged titanium oxide nanotubes with diameters of 80-150 nm. The anodic titanium was coated with the dye (Ruthenium 535 bis-TBA). A dye-sensitized solar cell was fabricated with Iodolyte PMI-50 (Solaronix™) as the electrolyte and a Pt (200 nm)/ Ti (50 nm)/ glass substrate as the counter electrode. The short circuit current (Isc), open circuit voltage (Voc), fill factor (FF) and energy conversion efficiency of this cell were 0.54 mA/cm2, 0.103 V, 39 % and 0.0022%, respectively. When a current density of 2.0×10-3 mA/cm 2 was applied to the titanium oxide electrode, the Isc, Voc, FF and energy conversion efficiency were 0.24 mA/cm 2,0.675 V, 30 % and 0.050 %, respectively. When the cells were coated with the dye and current was applied, the Isc, Voc, FF and energy conversion efficiency were 0.88 mA/cm2,0.54 V, 24 % and 0.11 %, respectively.

    Original languageEnglish
    Title of host publicationAdvances in Nanomaterials and Processing - IUMRS - ICA - 2006 International Conference in Asia
    PublisherTrans Tech Publications Ltd
    Pages963-966
    Number of pages4
    EditionPART 2
    ISBN (Print)3908451310, 9783908451310
    DOIs
    Publication statusPublished - 2007
    EventIUMRS International Conference in Asia 2006, IUMRS-ICA 2006 - Jeju, Korea, Republic of
    Duration: 2006 Sept 102006 Sept 14

    Publication series

    NameSolid State Phenomena
    NumberPART 2
    Volume124-126
    ISSN (Print)1012-0394

    Other

    OtherIUMRS International Conference in Asia 2006, IUMRS-ICA 2006
    Country/TerritoryKorea, Republic of
    CityJeju
    Period06/9/1006/9/14

    Keywords

    • Anodic titanium
    • Dye sensitized solar cell
    • Photovoltaic

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics
    • General Materials Science
    • Condensed Matter Physics

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