Abstract

The low-energy electron loss spectrum of poly (vinyl cimiamate) film was measured as a function of impact energy. Excited states of the polymer were also investigated by an INDO/S MO calculation using cinnamic acid as a model. The calculated results agree well with the experimental results both for triplet and singlet excitations, indicating that the observed excitations (2.8, 4.5, 5.8 and 7 eV) are localized in the pendant group of the polymer.

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