A transparent nanostructured semiconductor membrane modified by an adsorbed electron donor and electron acceptor

João Sotomayor; Robert W. Hoyle; Geoffrey Will; Donald Fitzmaurice

doi:10.1039/a703855k

A transparent nanostructured semiconductor membrane modified by an adsorbed electron donor and electron acceptor

João Sotomayor, Robert W. Hoyle, Geoffrey Will, Donald Fitzmaurice

DQ - Departamento de Química

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11 Citations (Scopus)

Abstract

Unsupported transparent nanoporous-nanocrystalline TiO₂ membranes are prepared which are 20 μm thick anatase structures and have an associated surface roughness of ca. 1100. Visible-light induced charge injection by the adsorbed ruthenium complex, [bis(4,4′-dicarboxy-2,2′-bipyridine)(4,4′-dimethyl-2,2′- bipyridine)ruthenium(II)] dichloride 1, has been demonstrated for these membranes. Also demonstrated has been blue-light induced reduction of the adsorbed viologen, 1-ethyl-1′-[4-carboxy-3-hydroxyphenyl)methyl]-4,4′-bipyridinium perchlorate 2.

Original language	English
Pages (from-to)	105-110
Number of pages	6
Journal	Journal Of Materials Chemistry
Volume	8
Issue number	1
DOIs	https://doi.org/10.1039/a703855k
Publication status	Published - 1 Jan 1998

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title = "A transparent nanostructured semiconductor membrane modified by an adsorbed electron donor and electron acceptor",

abstract = "Unsupported transparent nanoporous-nanocrystalline TiO2 membranes are prepared which are 20 μm thick anatase structures and have an associated surface roughness of ca. 1100. Visible-light induced charge injection by the adsorbed ruthenium complex, [bis(4,4′-dicarboxy-2,2′-bipyridine)(4,4′-dimethyl-2,2′- bipyridine)ruthenium(II)] dichloride 1, has been demonstrated for these membranes. Also demonstrated has been blue-light induced reduction of the adsorbed viologen, 1-ethyl-1′-[4-carboxy-3-hydroxyphenyl)methyl]-4,4′-bipyridinium perchlorate 2.",

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AU - Sotomayor, João

AU - Hoyle, Robert W.

AU - Will, Geoffrey

AU - Fitzmaurice, Donald

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Y1 - 1998/1/1

N2 - Unsupported transparent nanoporous-nanocrystalline TiO2 membranes are prepared which are 20 μm thick anatase structures and have an associated surface roughness of ca. 1100. Visible-light induced charge injection by the adsorbed ruthenium complex, [bis(4,4′-dicarboxy-2,2′-bipyridine)(4,4′-dimethyl-2,2′- bipyridine)ruthenium(II)] dichloride 1, has been demonstrated for these membranes. Also demonstrated has been blue-light induced reduction of the adsorbed viologen, 1-ethyl-1′-[4-carboxy-3-hydroxyphenyl)methyl]-4,4′-bipyridinium perchlorate 2.

AB - Unsupported transparent nanoporous-nanocrystalline TiO2 membranes are prepared which are 20 μm thick anatase structures and have an associated surface roughness of ca. 1100. Visible-light induced charge injection by the adsorbed ruthenium complex, [bis(4,4′-dicarboxy-2,2′-bipyridine)(4,4′-dimethyl-2,2′- bipyridine)ruthenium(II)] dichloride 1, has been demonstrated for these membranes. Also demonstrated has been blue-light induced reduction of the adsorbed viologen, 1-ethyl-1′-[4-carboxy-3-hydroxyphenyl)methyl]-4,4′-bipyridinium perchlorate 2.

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