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Role of electronic localization and charge-vibrational coupling in resonant photoelectron spectra of polymers: Application to poly(para-phenylenevinylene)
KTH, Superseded Departments, Biotechnology.
KTH, Superseded Departments, Biotechnology.
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2004 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 69, no 12Article in journal (Refereed) Published
Abstract [en]

A combination of x-ray absorption and resonant photoemission (RPE) spectroscopy has been used to study the electronic structure of the one-dimensional conjugated polymer poly (para-phenylenevinylene) in nonordered (as prepared) thin films. The dispersion of RPE features for the decay to localized and delocalized bands are qualitatively different. A theory for band dispersion of RPE in polymers is given, showing the important roles of electronic state localization and vibrational (phonon) excitations for the character of the dispersion.

Place, publisher, year, edition, pages
2004. Vol. 69, no 12
Keyword [en]
x-ray-absorption, conjugated polymers, raman-scattering, auger-spectra, solid c-60, molecules, spectroscopy, excitation, poly(p-phenylenevinylene), photoemission
National Category
Condensed Matter Physics
URN: urn:nbn:se:kth:diva-23388DOI: 10.1103/PhysRevB.69.125204ISI: 000221259000048ScopusID: 2-s2.0-2342437341OAI: diva2:342086
QC 20100525 QC 20111027Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2011-10-27Bibliographically approved

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Baev, AlexanderGel'mukhanov, FarisÅgren, Hans
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