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14 October 1997 Crystal structures of metal complex sensitizers of TiO2 nanopowders
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The x-ray structure determination of three efficient Ru complex sensitizers of TiO2 nanopowders was carried out. The coordination of Ru was analyzed in terms of asymmetric ligand surrounding of metal atom and influence of chelate (pi) -conjugated ligands on the bonding of Ru with ligands and on the intermolecular association of complexes. The layered character of all three studied crystal structures could be correlated with the peculiarities of their molecular structures (polarity, presence of (pi) -conjugated moieties), what opens the possibility of using of molecular engineering methods to influence the anchoring and ordering of sensitizer molecules on semiconductor surfaces.
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Valery Shklover, Christophe Barbe, Shaikh M. Zakeeruddin, and Michael Graetzel "Crystal structures of metal complex sensitizers of TiO2 nanopowders", Proc. SPIE 3138, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XV, (14 October 1997);

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