Summary
In films of poly(para-phenylphenylenevinylene) a photoreaction has been observed. The significant feature is a decrease of the fluorescence emission intensity during irradiation. It is assumed that a cycloaddition between C=C- double-bonds leads to crosslinks in the material.
Under similar conditions of excitation a photoreaction has not been observed in poly(p-phenylenevinylene) prepared via the precursor-route.
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Damerau, T., Hennecke, M. & Greiner, A. Photoreactivity of poly(p-phenylphenylenevinylene). Polymer Bulletin 32, 201–205 (1994). https://doi.org/10.1007/BF00306389
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DOI: https://doi.org/10.1007/BF00306389