Isotactic polystyrene nanorods with gradient crystallite states

Hui Wu, Zhaohui Su, Atsushi Takahara

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

In this paper, isotactic polystyrene (iPS) nanorods with gradient crystallite distribution were demonstrated. The polymer nanorods with a diameter of 65 nm were prepared by melt-wetting the nanoporous alumina template with fractionated iPS melts. Spatial distribution of crystallinity and orientation of the polymer in the nanorods from top to bottom were analyzed by Fourier transform infrared spectroscopy. The crystallites with perpendicular orientation (c-axis perpendicular to the long axis of rod) increased from the top to the bottom of the nanorods due to crystallization initiated by nuclei formed in the bulk and subsequent crystallite growth constrained by the nanopores. This result offers a unique approach to design polymeric nanomaterials with gradient crystallite distribution for functional nanodevice applications.

Original languageEnglish
Pages (from-to)3180-3184
Number of pages5
JournalSoft Matter
Volume8
Issue number11
DOIs
Publication statusPublished - Mar 21 2012

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Polystyrenes
Nanorods
nanorods
polystyrene
gradients
Polymers
Nanopores
Aluminum Oxide
polymers
Crystallization
Crystallites
Nanostructured materials
Crystal orientation
Spatial distribution
crystallites
wetting
Wetting
crystallinity
spatial distribution
rods

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics

Cite this

Isotactic polystyrene nanorods with gradient crystallite states. / Wu, Hui; Su, Zhaohui; Takahara, Atsushi.

In: Soft Matter, Vol. 8, No. 11, 21.03.2012, p. 3180-3184.

Research output: Contribution to journalArticle

Wu, Hui ; Su, Zhaohui ; Takahara, Atsushi. / Isotactic polystyrene nanorods with gradient crystallite states. In: Soft Matter. 2012 ; Vol. 8, No. 11. pp. 3180-3184.
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