Characterization of PVDF membranes by vibrational spectroscopy

By T. Boccaccio, A. Bottino, G. Capannelli, P. Piaggio. 2002

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Stability of PVDF hollow fibre membranes in sodium hydroxide aqueous solution (2011, background): “Several other weak bands are observed at 677, 1330 and 1453 cm 1, which could be due to the polymer chain defects caused by the head-to-head and tail-to-tail linkages (Kuhn et al., 1987; Lovinger, 1982; Boccaccio et al., 2002). branes at 20 1C with different treatment times: (a) 1 h and (b) 24 h.”
Porous, multi-layered piezoelectric composites based on highly oriented PZT/PVDF electrospinning fibers for high-performance piezoelectric nanogenerators (2021, background): “The peak at 764 cm is designated as α phase [33]; the peaks of γ phase are located at 812 [34,35], 834 [36], and 1234 cm [37].”
Effect of annealing on phase transition in poly(vinylidene fluoride) films prepared using polar solvent (2011, background): “The peaks at 511, 840 and 1275– 1279 cm–1 are fingerprints of β-phase (Kobayashi et al 1975; Boccaccio et al 2002; Bormashenko et al 2004).”
Aging mechanisms of polymeric films for PV encapsulation (2005, neutral): “a-PVDF is formed by direct crystallization from melt, b-PVDF by stretching of aPVDF (Boccaccio et al., 2002).”