New approach to silver halide photography using radical cation chemistry

Ian Gould; J. R. Lenhard; A. A. Muenter; S. A. Godleski; S. Farid

doi:10.1351/pac200173030455

New approach to silver halide photography using radical cation chemistry

Ian Gould, J. R. Lenhard, A. A. Muenter, S. A. Godleski, S. Farid

Molecular Sciences, School of (SMS)

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

A new mechanism for spectral sensitization of silver halide is described, which can potentially double the sensitivity of photographic emulsions. The photooxidized sensitizing dye is trapped using an organic donor molecule, which fragments to form a cation and a reducing radical, which injects an electron into the conduction band of the silver halide. In this way, two conduction-band electrons can be produced for each absorbed photon.

Original language	English (US)
Pages (from-to)	455-458
Number of pages	4
Journal	Pure and Applied Chemistry
Volume	73
Issue number	3
DOIs	https://doi.org/10.1351/pac200173030455
State	Published - Jan 1 2001

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)

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10.1351/pac200173030455

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abstract = "A new mechanism for spectral sensitization of silver halide is described, which can potentially double the sensitivity of photographic emulsions. The photooxidized sensitizing dye is trapped using an organic donor molecule, which fragments to form a cation and a reducing radical, which injects an electron into the conduction band of the silver halide. In this way, two conduction-band electrons can be produced for each absorbed photon.",

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AU - Farid, S.

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AB - A new mechanism for spectral sensitization of silver halide is described, which can potentially double the sensitivity of photographic emulsions. The photooxidized sensitizing dye is trapped using an organic donor molecule, which fragments to form a cation and a reducing radical, which injects an electron into the conduction band of the silver halide. In this way, two conduction-band electrons can be produced for each absorbed photon.

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New approach to silver halide photography using radical cation chemistry

Abstract

ASJC Scopus subject areas

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