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Photoionization in organic solids: Influence of the solvent molecular shape on solute ionization potentials

✍ Scribed by A. Bernas; J. Blais; M. Gauthier; D. Grand

Publisher: Elsevier Science
Year: 1975
Tongue: English
Weight: 468 KB
Volume: 30
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(75)80012-1

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✦ Synopsis

Previous work.on photoionization threshold, I,l, determinations, for aromatics dispersed in ri,$d ghss~ at 77 K, has 'now been extended to polycrystalline hydrocarbons as solid solvents. TlMPD being wed as a solute, the i.nfIuence on I~],TMPD of the linear or globular ahape of the solvent molecule is examined. Fe value of f,l,T,m~ is found to be smallest for the most globular hydrocarbons (typically neopentane, tetramethylsilane).

For the sane so:ute-solvent system, the Isol values are syste,mafically greater in the crystalline solid than in the liquid solvent by about 1 eV.

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