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Open-ended inorganic nanotubes: band-gap and bands-engineering of a photo-catalyst

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Winton teatime discussion on Photocatalysis for converting sunlight into industrially viable forms of energy or fuels. Hosted by Prof David MacKay and Dr Gilberto Teobaldi. Dr Teobaldi is based at the Stephenson Institute for Renewable Energy at the University of Liverpool and the Department of Chemistry.

As the costs of energy production increase, due to both the limitation of resources and the impact of an oil-fuelled economy on the climate, the significance of materials and technologies capable of converting sunlight into industrially viable forms such as electrical power or fuels has been steadily growing. Crucial to this energy conversion is the presence of photo-catalysts (PCs) i.e. substances capable of generating, upon light absorption, highly reactive excited electron-hole (e*-h) pairs which may eventually transfer excited state energy or, following their separation, enter an electric circuit or being transferred to reactants. These processes can then be used to produce electrical current, fuels and chemical feedstocks, to decompose pollutants, and even for viruses or bacteria disinfection.

This talk is part of the Winton Discussions series.

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