Internal magnetic field effects on the photochemistry of a xanthone derivate covalently anchored to magnetite nanoparticles

Mercedes Alvaro, Jose F. Cabeza, Esther Carbonell Llopis, Hermenegildo Garcia

Research output: Contribution to journalArticlepeer-review

Abstract

Irradiation of azaxanthone in the presence of colloidal magnetite nanoparticles gives rise to the generation of the corresponding azaxanthone triplet, whose lifetime is influenced by internal magnetic field effects. In contrast, covalent tethering between magnetite and azaxanthone promotes photoinduced electron transfer leading to the observation of azaxanthone radical anion.

Original languageEnglish
Pages (from-to)192-195
Number of pages4
JournalChemical Physics Letters
Volume410
Issue number4-6
DOIs
Publication statusPublished - 20 Jul 2005
Externally publishedYes

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