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Friedlein, R., S. L. Sorensen, J. Birgerson, A. Crispin, M. P. de Jong, W. Osikowicz, C. Murphy, L. Rosenqvist, and W. R. Salaneck
Dispersing bands in the ground- and core-excited state of non-oriented poly-( para}-phenylenevinylene from resonant photoelectron spectroscopy
Physical Review B 69, 125204 (2004)

Abstract
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.

Link to the complete paper (if available):


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