<math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>π</mi></math>-electron delocalization in <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi mathvariant="normal">poly</mi><mo>(</mo><mi>p</mi><mo>−</mo><mi mathvariant="normal">phenylene</mi><mo>)</mo></math>, <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi mathvariant="normal">poly</mi><mo>(</mo><mi>p</mi><mo>−</mo><mi mathvariant="normal">phenylene</mi><mi mathvariant="normal">sulfide</mi><mo>)</mo></math>, and <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi mathvariant="normal">poly</mi><mo>(</mo><mi>p</mi><mo>−</mo><mi mathvariant="normal">phenylene</mi><mi mathvariant="normal">oxide</mi><mo>)</mo></math>

G. Crecelius; J. Fink; J. J. Ritsko; M. Stamm; H.-J. Freund; H. Gonska

doi:10.1103/PhysRevB.28.1802

$π$ -electron delocalization in $poly (p - phenylene)$ , $poly (p - phenylene sulfide)$ , and $poly (p - phenylene oxide)$

G. Crecelius, J. Fink, J. J. Ritsko, M. Stamm, H.-J. Freund, and H. Gonska

Phys. Rev. B 28, 1802 – Published 15 August 1983

Abstract

As deduced from electron-energy-loss experiments, the $π$ band in $poly (p - phenylene)$ has a width comparable to that in graphite. The $π$ -band width in $poly (p - phenylene sulfide)$ is considerably narrower, and in $poly (p - phenylene oxide)$ the $π$ electrons are localized in benzene-derived states. These results are in line with recent theoretical results. In addition, structure in the $C 1 s - π^{*}$ absorption is shown to be due to chemical shifts of C atoms in different coordination.

Received 28 February 1983

DOI:https://doi.org/10.1103/PhysRevB.28.1802

Authors & Affiliations

G. Crecelius

Institut für Festkörperforschung, Kernforschungsanlage Jülich, Postfach 1913, D-5170 Jülich, Germany

J. Fink

Kernforschungszentrum Karlsruhe GmbH, Institut für Angewandte Kernphysik I, Postfach 3640, D-7500 Karlsruhe, Germany

J. J. Ritsko

Institut für Festkörperforschung, Kernforschungsanlage Jülich, Postfach 1913, D-5170 Jülich, Germany
Xerox Webster Research Center, Xerox Square-114, Rochester, New York 14644

M. Stamm

Institut für Festkörperforschung, Kernforschungsanlage Jülich, Postfach 1913, D-5170 Jülich, Germany

H.-J. Freund and H. Gonska

Lehrstuhl für Theoretische Chemie, Universität Köln, Greinstrasse 4, D-5000 Köln 41, Germany

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Vol. 28, Iss. 4 — 15 August 1983

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