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Publication
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Nanostructured ZnO films consisting of 150-nm sized particles were dye-sensitized with different ruthenium complexes. Incident photon-to-current conversion efficiencies were found to be dependent on dye concn. and on residence time of the ZnO film in the dye soln. Results obtained using IR and Raman spectroscopies together with traditional two-electrode measurements using a sandwich-type cell gave evidence of dye agglomeration in the nanostructured ZnO film. Possible reasons for the agglomeration process in ZnO films are discussed.
Christophe Ballif, Antoine Descoeudres, Gabriel Christmann, Nicolas Badel, Matthieu Despeisse, Sylvain Nicolay, Loris Barraud
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