New approach to silver halide photography using radical cation chemistry

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

Research output: Contribution to journalArticle

14 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 languageEnglish (US)
Pages (from-to)455-458
Number of pages4
JournalPure and Applied Chemistry
Volume73
Issue number3
DOIs
StatePublished - Jan 1 2001

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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