Localized pressure-induced ferroelectric pattern arrays of semicrystalline poly(vinylidene fluoride) by microimprinting

Seok Ju Kang, Youn Jung Park, Jiyoung Hwang, Hee June Jeong, Jong Soon Lee, Kap Jin Kim, Ho Cheol Kim, June Huh, Cheolmin Park

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

A new, facile, and robust micropatterning technique that produces patterned arrays of isolated ferroelectric y-type domains embedded in the nonpolar a structure in thin PVDF films was investigated. The method is based on microimprinting of a spin-cast Α-type PVDF films. IR spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM). and atomic force microscopy (AFM) were conducted on the films. The crystal structures of the compressed and unpressed regions in the pattern were evaluated by using imaging IR spectroscopy, through which selected characteristic IR absorption peaks were mapped with a 2D IR scanner. It was observed that PDMS molds produced various topographic PVDF micropatterns in which the regions compressed by the PDMS patterned molds were selectively transformed into the ferroelectric y crystal.

Original languageEnglish
Pages (from-to)581-586
Number of pages6
JournalAdvanced Materials
Volume19
Issue number4
DOIs
Publication statusPublished - 2007 Feb 19
Externally publishedYes

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Molds
Ferroelectric materials
Infrared spectroscopy
Atomic force microscopy
Crystal structure
Transmission electron microscopy
Imaging techniques
Thin films
Crystals
Scanning electron microscopy
polyvinylidene fluoride

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Localized pressure-induced ferroelectric pattern arrays of semicrystalline poly(vinylidene fluoride) by microimprinting. / Kang, Seok Ju; Park, Youn Jung; Hwang, Jiyoung; Jeong, Hee June; Lee, Jong Soon; Kim, Kap Jin; Kim, Ho Cheol; Huh, June; Park, Cheolmin.

In: Advanced Materials, Vol. 19, No. 4, 19.02.2007, p. 581-586.

Research output: Contribution to journalArticle

Kang, Seok Ju ; Park, Youn Jung ; Hwang, Jiyoung ; Jeong, Hee June ; Lee, Jong Soon ; Kim, Kap Jin ; Kim, Ho Cheol ; Huh, June ; Park, Cheolmin. / Localized pressure-induced ferroelectric pattern arrays of semicrystalline poly(vinylidene fluoride) by microimprinting. In: Advanced Materials. 2007 ; Vol. 19, No. 4. pp. 581-586.
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