The Influence of Titania Electrode Modification with Lanthanide Ions Containing Thin Layer on the Performance of Dye-Sensitized Solar Cells

M. Zalas; Maciej Klein

doi:10.1155/2012/927407

The Influence of Titania Electrode Modification with Lanthanide Ions Containing Thin Layer on the Performance of Dye-Sensitized Solar Cells

Abstract

The lanthanide and scandium groups ions (except Pm and Ac) have been used as dopants of TiO2 film in dye-sensitized solar cells. The X-ray diffraction spectra show that the modification has no influence on the structure of the electrode; however, the diffuse reflectance UV-Vis measurements exhibit significant changes in the electronic properties of modified electrodes. The appearance of energy barrier preventing photoexcited electron back-transfer was confirmed for Sc, Ce, Sm, Tb, Ho, Tm, and Lu modified cells. The best photoconversion performance of 8.88 and 8.80% was found for samples modified with Ce and Yb, respectively, and it was greater by 31.4 and 30.2% than that of a unmodified cell.

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Keywords

DYE-SENSITIZED SOLAR CELLS

Details

Category:: Articles
Type:: artykuł w czasopiśmie wyróżnionym w JCR
Published in:: INTERNATIONAL JOURNAL OF PHOTOENERGY no. 2012, pages 1 - 8,
ISSN: 1110-662X
Language:: English
Publication year:: 2012
Bibliographic description:: Zalas M., Klein M.: The Influence of Titania Electrode Modification with Lanthanide Ions Containing Thin Layer on the Performance of Dye-Sensitized Solar Cells// INTERNATIONAL JOURNAL OF PHOTOENERGY. -Vol. 2012, (2012), s.1-8
DOI:: Digital Object Identifier (open in new tab) 10.1155/2012/927407
Verified by:: Gdańsk University of Technology