Layer-by-layer hybrid films of polyaniline and vanadium oxide

Ferreira, Marystela; Zucolotto, Valtencir; Constantino, Cjl; Temperini, Mla; Torresi, Roberto M.; Oliveira, Osvaldo N.

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Layer-by-layer hybrid films of polyaniline and vanadium oxide

Journal article published in 2003 by Marystela Ferreira

, Valtencir Zucolotto, Cjl Constantino, Mla Temperini

, Roberto M. Torresi, Osvaldo N. Oliveira

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Abstract

Supramolecular structures of polyaniline (PANI) and vanadium oxide (V2O5) have been assembled via the electrostatic layer-by-layer (LBL) technique. The films were characterized by vibrational analyses which indicated that the interactions between the two components lead to different properties in the films when compared to sol-gel films. of the neat compounds. In particular, using surface enhanced Raman scattering we were able to probe LBL film properties that depend on which material comprises the topmost layer.