Abstract
Organic conjugated polymers present strong electron–phonon coupling; i.e., there is a close Interplay between the geometric structure and the electronic structure of the material. An electronic process (e.g., charge transfer on doping or a photoexcitation phenomenon) leads to important local modifications of the chain geometry, which in turn induce the appearance of new localized electronic states in the gap.
© 1989 Optical Society of America
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