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Slow charge recombination in dye-sensitised solar cells (DSSC) using Al2O3 coated nanoporous TiO2 films
Emilio Palomares1, John N Clifford, Saif A Haque
1Centre for Electronic Materials and Devices, Department of Chemistry, Imperial College of Science, Technology and Medicine, Exhibition Road, London, UK SW7 2AY.
Chemical Communications (Cambridge, England)
|August 23, 2002
Abstract:
The conformal growth of an overlayer of Al2O3 on a nanocrystalline TiO2 film is shown to result in a 4-fold retardation of interfacial charge recombination, and a 30% improvement in photovoltaic device efficiency.