Molecular scale characterization of the titania-dye-solvent interface in dye-sensitized solar cells

Charge separation at the dye/titania interface in dye sensitized solar cells is strongly influenced by the thickness and homogeneity of the sensitizing dye layer, as this controls the potential drop across the interface, and the probability of an excited electron being transferred from the dye to th...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 26(2010), 12 vom: 15. Juni, Seite 9612-6
1. Verfasser: Marquet, Philip (VerfasserIn)
Weitere Verfasser: Andersson, Gunther, Snedden, Alan, Kloo, Lars, Atkin, Rob
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 0 |a Molecular scale characterization of the titania-dye-solvent interface in dye-sensitized solar cells 
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520 |a Charge separation at the dye/titania interface in dye sensitized solar cells is strongly influenced by the thickness and homogeneity of the sensitizing dye layer, as this controls the potential drop across the interface, and the probability of an excited electron being transferred from the dye to the titania. In this study we use atomic force microscopy and the depth profiling method neutral impact collision ion scattering spectroscopy (NICISS) to investigate the thickness and homogeneity of N719 dye adsorbed to titania before and after rinsing with pure acetonitrile. Both experimental methods show that the dye layers are closed but inhomogeneous. Inhomogeneity is more pronounced for unrinsed samples 
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700 1 |a Andersson, Gunther  |e verfasserin  |4 aut 
700 1 |a Snedden, Alan  |e verfasserin  |4 aut 
700 1 |a Kloo, Lars  |e verfasserin  |4 aut 
700 1 |a Atkin, Rob  |e verfasserin  |4 aut 
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