Abstract
The ferric chloride doped polymers change their refractive index under UV irradiation. The Fe:PVA is sensitive to ferric chloride concentration, molecular weight of PVA, and recording beam power. By Mössbauer investigations we tried to correlate the Fe2+/Fe3+ ratio, as well as the temperature dependence of the energetical parameters with the assumed mechanisms which involve both the valence state of iron and a cross-linking reaction of PVA matrix.
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Filoti, G., Kuncser, V., Franke, H. et al. Optical induced modifications in thin films of Fe:PVA. Journal of Radioanalytical and Nuclear Chemistry, Articles 190, 315–320 (1995). https://doi.org/10.1007/BF02040006
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DOI: https://doi.org/10.1007/BF02040006