Nanotransfer of the polythiophene molecular alignment onto the step-bunched vicinal si(111) substrate

Ryo Onoki; Genki Yoshikawa; Yuki Tsuruma; Susumu Ikeda; Koichiro Saiki; Keiji Ueno

doi:10.1021/la8016722

Nanotransfer of the polythiophene molecular alignment onto the step-bunched vicinal si(111) substrate

Ryo Onoki, Genki Yoshikawa, Yuki Tsuruma, Susumu Ikeda, Koichiro Saiki, Keiji Ueno

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

A poly(3-dodecylthiophene-2,5-diyl) film having in-plane anisotropic molecular arrangement was successfully fabricated by transferring its Langmuir-Blodgett film onto a step-bunched Si(111) substrate. Polarized near-edge X-ray absorption fine structure measurements revealed that the polythiophene main chains are preferentially orientated along periodic facet/terrace nanostructures on the step-bunched substrate, whereas less anisotropy was found on a flat substrate. The step-bunched Si substrate has been proved to be effective for controlling the in-plane molecular arrangement in the polymer thin film.

Original language	English
Pages (from-to)	11605-11610
Number of pages	6
Journal	Langmuir
Volume	24
Issue number	20
DOIs	https://doi.org/10.1021/la8016722
Publication status	Published - 2008 Oct 21
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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10.1021/la8016722

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author = "Ryo Onoki and Genki Yoshikawa and Yuki Tsuruma and Susumu Ikeda and Koichiro Saiki and Keiji Ueno",

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AU - Onoki, Ryo

AU - Yoshikawa, Genki

AU - Tsuruma, Yuki

AU - Ikeda, Susumu

AU - Saiki, Koichiro

AU - Ueno, Keiji

PY - 2008/10/21

Y1 - 2008/10/21

N2 - A poly(3-dodecylthiophene-2,5-diyl) film having in-plane anisotropic molecular arrangement was successfully fabricated by transferring its Langmuir-Blodgett film onto a step-bunched Si(111) substrate. Polarized near-edge X-ray absorption fine structure measurements revealed that the polythiophene main chains are preferentially orientated along periodic facet/terrace nanostructures on the step-bunched substrate, whereas less anisotropy was found on a flat substrate. The step-bunched Si substrate has been proved to be effective for controlling the in-plane molecular arrangement in the polymer thin film.

AB - A poly(3-dodecylthiophene-2,5-diyl) film having in-plane anisotropic molecular arrangement was successfully fabricated by transferring its Langmuir-Blodgett film onto a step-bunched Si(111) substrate. Polarized near-edge X-ray absorption fine structure measurements revealed that the polythiophene main chains are preferentially orientated along periodic facet/terrace nanostructures on the step-bunched substrate, whereas less anisotropy was found on a flat substrate. The step-bunched Si substrate has been proved to be effective for controlling the in-plane molecular arrangement in the polymer thin film.

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Nanotransfer of the polythiophene molecular alignment onto the step-bunched vicinal si(111) substrate

Abstract

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