Magneto-optic measurements of spectral holes in metallo-porphyrin derivatives in polymer matrices

R. Purchase, M. Sellars, E. Krausz*, N. Manson

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Magneto-optic measurements on spectral holes in the Q band of zinc phthalocyanine and zinc tetrabenzoporphyrin are reported. Detailed modelling of the changes in hole shape in the magnetic field requires the inclusion of a broad distribution of crystal-field splittings and a Ham factor of 0.52 ± 0.03. Magnetic circular dichroism (MCD) spectra are also reported for spectral holes in zinc phthalocyanine and zinc tetrabenzoporphyrin. The wavelength dependence of the hole MCD gives insight into the distribution of the crystal-field split levels of the excited state. Modelling of the hole MCD shapes enables a number of factors contributing to the hole MCD shape to be identified.

    Original languageEnglish
    Pages (from-to)3993-3999
    Number of pages7
    JournalPhysical Chemistry Chemical Physics
    Volume2
    Issue number18
    DOIs
    Publication statusPublished - 15 Sept 2000

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