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We present a 3D vibrational study of the base form of polyaniline: the leucoemeraldine base (LB). Raman spectra have been recorded for leucoemeraldine and model compounds: diphenylamine (DPA) and the NN′-diphenyl-1,4-phenylenediamine (B3 in our notation). An assignment of the observed Raman bands is proposed. In the same way, we present vibrational calculations based on valence-force-field of these...
Spin dynamics has been investigated by NMR techniques in highly conducting CSA doped polyaniline (PANI-CSA). Proton nuclear relaxation times have been measured as a function of frequency and temperature. Effective intra and interchain diffusion rates are determined in the frame of a quasi-1D diffusion model. The results are analyzed in the frame of an heterogeneous disorder with metallic regions (crystalline...
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