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Freestanding polymer-metal oxide nanocomposite films for light-driven oxygen scavenging

Mills, A. and Peiro, A.M. and Doyle, G.T. and Durrant, J.R. (2005) Freestanding polymer-metal oxide nanocomposite films for light-driven oxygen scavenging. Advanced Materials, 17 (19). pp. 2365-2368. ISSN 1521-4095

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Abstract

Freestanding films containing nanocrystalline TiO2 and a suitable electron donor embedded in a cellulose matrix deoxygenate a closed environment (see Figure) upon UV illumination as a result of the photocatalytic properties of TiO2. This opens up the potential use of semiconductor photocatalysis in active packaging to achieve light-driven deoxygenation of closed environments.