Habibur Rahman, M. ; Nandi, Arun K. (2003) Colloidal crystalline arrays of β-polymorphic poly(vinylidene fluoride) Macromolecular Materials and Engineering, 288 (7). pp. 549-552. ISSN 1438-7492
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/mame.20...
Related URL: http://dx.doi.org/10.1002/mame.200300033
Abstract
Stable layers of nearly monodisperse spheres of β-polymorphic poly(vinylidene fluoride) with iridescent properties are prepared. The colloidal crystalline arrays (CCAs) were characterized by optical microscopy, differential scanning calorimetry (DSC), and FT-IR spectroscopy. FT-IR spectroscopic and wide-angle X-ray scattering (WAXS) studies revealed a β-polymorphic PVF2 structure, the DSC study showed that the level of crystallinity in the CCA was much higher than that in the melt-crystallized sample, and UV-visible spectroscopy showed extinction peaks at 323 and 510 nm in the CCAs. The β-polymorphic PVF2 structure, along with the optical extinction properties of these CCAs, raises the prospect of their application in optical filters and/or piezoelectric sensors.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley and Sons. |
| Keywords: | Colloidal Crystal; Piezoelectric Polymorph; Poly(vinylidene Fluoride); Thermal Transition |
| ID Code: | 85355 |
| Deposited On: | 02 Mar 2012 05:23 |
| Last Modified: | 02 Mar 2012 05:23 |
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