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Título

Confinement-Induced One-Dimensional Ferroelectric Polymer Arrays

AutorGarcía-Gutiérrez, Mari Cruz ; Linares, Amelia ; Hernández, Jaime J.; Rueda, Daniel R. ; Ezquerra, Tiberio A. ; Poza, Pedro; Davies, Richard J.
Palabras claveConfinement
Polymer nanostructures
Template wetting
Ferroelectric nanorods
Fecha de publicación16-mar-2010
EditorAmerican Chemical Society
CitaciónNano Letters 10: (2010) In press.
ResumenThis work demonstrates the use of wetting nanoporous alumina template with polymer solution to produce arrays of isolated poly(vinylidene fluoride) (PVDF) ferroelectric γ-type nanorods supported within a nonpolar α-structure film. The method is based upon a crystal phase transition which occurs due to PVDF confinement within alumina nanoporous. The system was studied using scanning X-ray microdiffraction (μ-XRD) that allows the solid−solid phase transition from the α-nonpolar crystal form (bulk) to the γ polar ferroelectric form (nanorod array) to be spatially resolved, as well as providing crystallinity and orientation information. The results reveal that the interaction between polymer chains and the porous membrane’s walls imposes a flat-on lamella growth along the nanorrods long axis, while improving crystal orientation.
Descripción5 pages, 5 figures.-- Articles ASAP (As Soon As Publishable).-- Supporting Information Available at http://pubs.acs.org.
Versión del editorhttp://dx.doi.org/10.1021/nl100429u
URIhttp://hdl.handle.net/10261/22587
DOI10.1021/nl100429u
ISSN1530-6984
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