Tennakone , K. and Kumara , G. R. R. A. and Kottegoda , I. R. M. and Perera , V. P. S. and Weerasundara , P. S. R. S. (1998) Sensitization of nano-porous films of TiO2 with santalin (red sandalwood pigment) and construction of dye-sensitized solid-state photovoltaic cells. Journal of Photochemistry and Photobiology A: Chemistry, 117 (2). p. 137. ISSN 1010-6030
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Santalin, a pigment extracted from red sandalwood strongly surface complex to TiO2, sensitizing nano-porous film of TiO2 to the visible spectrum. Because of the stability of such films, dye-sensitized solid state photovoltaic cells of sandwich structure (nano-porous n-TiO2/santalin/p-type semiconductor) can be constructed by depositing p-CuI or p-CuCNS on santalin coated nano-porous films of TiO2. High stability of santalin complexed to TiO2 enables deposition of the p-type semiconductor without destroying the pigment layer. Light absorbed by the dye-molecules injects electrons into TiO2 and holes into CuI (or CuCNS) generating shea-circuit photocurrent similar to 6 mA/cm(2) and photovoltage similar to 450 mV at 800 W/m(2) simulated sunlight. (C) 1998 Elsevier Science S.A. All rights reserved.
|Subjects:||Physical Science > Nanophysics|
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
|Divisions:||Faculty of Engineering, Science and Mathematics > School of Physics|
Faculty of Engineering, Science and Mathematics > School of Chemistry
|Deposited On:||28 Oct 2009 05:20|
|Last Modified:||28 Oct 2009 05:20|
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