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New Approach to Silver Halide Photography Using Radical Cation Chemistry

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Pure Applied Chemistry
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2001-01-01
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73
Publication Issue
3
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Brockport Chemistry Faculty Publications
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chm_facpub/5/fulltext (1).pdf
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http://hdl.handle.net/20.500.12648/2123
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.
Citation
Gould, I.; Lenhard, J.R.; Muenter, A.A.; Godleski, S.A.; Farid, S. New Approach to Silver Halide Photography Using Radical Cation Chemistry. Pure Appl. Chem. 2001, 73, 455-458. Available on publisher's site at: http://iupac.org/publications/pac
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Copyright 2001 International Union of Pure and Applied Chemistry
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