The electroactive β-phase formation in Poly(vinylidene fluoride) by gold nanoparticles doping

In this work we report on the preparation and characterization of a Poly(vinylidene fluoride) (PVDF) film doped with gold nano-particles (Au-NPs) prepared by a one step procedure. The preparation of Au-NPs without any external reduction agent is in the focus of interest when PVDF is used as a polyme...

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Bibliographic Details
Published in:Materials letters 2012-04, Vol.73, p.123-125
Main Authors: Mandal, Dipankar, Henkel, Karsten, Schmeißer, Dieter
Format: Article
Language:English
Subjects:
Au-NPs
Fourier transform infrared spectroscopy
gold
nanoparticles
polymers
PVDF
thermal properties
β-phase
β-spherulite
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Summary:In this work we report on the preparation and characterization of a Poly(vinylidene fluoride) (PVDF) film doped with gold nano-particles (Au-NPs) prepared by a one step procedure. The preparation of Au-NPs without any external reduction agent is in the focus of interest when PVDF is used as a polymer stabilizer. It is found that a desirable amount of Au-NPs within the polymer matrix can enhance the electroactive β-phase in PVDF. The melting behavior of the crystalline polymorph of PVDF is examined by in-situ thermal FT-IR study. Spherulitic features in Au-NPs doped PVDF film are observed in the topographic images indicating a probable existence of spherulitic structures also in the β-phase (β-spherulite). The electroactive β-phase is induced in PVDF by doping with Au-NPs. The synthesis of Au-NPs and its doping was performed in a single step procedure. For the first time, we are reporting with experimental evidences that β-phase also has spherulitic features (β-spherulite). [Display omitted]
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2011.11.117