Journal article
Visible light-induced long-lived charge separation across a sensitised nanostructured TiO2-polyviologen membrane
Journal of Materials Chemistry, Vol.8(9), pp.233-236
1998
Abstract
The preparation of a transparent nanostructured TiO2 membrane and its sensitisation to visible light by chemisorption of a tris-bipyridyl ruthenium complex is described. Also described, is the subsequent deposition of a polyviologen film on one face of the sensitised membrane. Absorption of a visible photon by a sensitiser molecule is followed by injection of an electron into the conduction band of the nanostructured TiO2 membrane and by conduction band state mediated electron transfer to a viologen oligomer. By these means, the energy of a visible photon is converted into chemical potential stored in the form of an oxidised electron donor and a reduced electron acceptor on opposite sides of a membrane.
Details
- Title
- Visible light-induced long-lived charge separation across a sensitised nanostructured TiO2-polyviologen membrane
- Authors
- Robert Hoyle (Author) - University College DublinGeoffrey Will (Author) - University College DublinDonald Fitzmaurice (Corresponding Author) - University College Dublin
- Publication details
- Journal of Materials Chemistry, Vol.8(9), pp.233-236
- Publisher
- Royal Society of Chemistry
- DOI
- 10.1039/a803437k
- ISSN
- 1364-5501
- Organisation Unit
- School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99737993202621
- Output Type
- Journal article
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- Chemistry, Physical
- Materials Science, Multidisciplinary
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