White light emission and excellent UV shielding observed in free-standing and flexible films of poly(vinylidene fluoride)/zinc oxide nanocomposite

•The PVDF/ZnO nanocomposite films were obtained by simple processing techniques.•These films are free-standing, flexible and bio-compatible.•These films offer ample scope for excellent UV shielding applications.•White luminescence from these films is an added novelty of the present work. In the pres...

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Bibliographic Details
Published in:Materials letters 2017-08, Vol.200, p.125-127
Main Authors: Sabira, K., Saheeda, P., Jayalekshmi, S.
Format: Article
Language:English
Subjects:
Casting
Free-standing film
Light emission
Materials science
Nanocomposite
Nanocomposites
Photoluminescence
Polymer films
Polyvinylidene fluorides
Shielding
Solid state
Solution casting
Spectral emissivity
Thermal stability
Ultraviolet radiation
UV shielding
Vinylidene fluoride
White light
White light emission
Zinc oxide
Zinc oxides
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Summary:•The PVDF/ZnO nanocomposite films were obtained by simple processing techniques.•These films are free-standing, flexible and bio-compatible.•These films offer ample scope for excellent UV shielding applications.•White luminescence from these films is an added novelty of the present work. In the present work, we report the excellent UV shielding properties and white light emission observed in free-standing and flexible films of poly(vinylidene fluoride)/zinc oxide (PVDF/ZnO) nanocomposite, obtained by simple solution casting method. These thermally stable nanocomposite films offer ample scope for excellent UV shielding applications. The photoluminescence spectra of these films show white light emission and can be of profound applications in solid state lighting. Simultaneous observation of UV shielding effects and white light emission in free-standing films of polymer nanocomposites has not been reported.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2017.04.119