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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/13486

Title: Nanostructured poly(3-hexylthiophene-2,5-diyl) films with tunable dimensions through self-assembly with polystyrene
Authors: Vohra, Varun
Notoya, Osamu
Huang, Tong
Yamaguchi, Masayuki
Murata, Hideyuki
Keywords: Self-assembly
Nanostructure
Conjugated polymer
Issue Date: 2014-03-25
Publisher: Elsevier
Magazine name: Polymer
Volume: 55
Number: 9
Start page: 2213
End page: 2219
DOI: 10.1016/j.polymer.2014.03.030
Abstract: Poly(3-hexylthiophene-2,5-diyl) is among the most widely used conjugated polymers for opto-electronic applications. To enhance its properties, researchers have attempted to nanostructure this polymer using various processes including breath figure arrays, nanolithography and elaborated organic synthesis. We here demonstrate a simple process to nanostructure the conjugated polymer using self-assembly with polystyrene and selective removal of one of the phases. The influence of the molecular weight of each polymer on the thin film morphology was systematically studied by atomic force microscopy. Using this approach, we observe two types of nanostructure, namely, nanoporous and nanoisland structures, of which the dimensions can be tuned by modifying the molecular weight of each polymer in the blend. This simple process introduces a cost-effective alternative to produce thin films of conjugated polymer with average nano-features from 100 nm up to 500 nm which could be used in a wide range of applications.
Rights: Copyright (C)2014, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International license (CC BY-NC-ND 4.0). [http://creativecommons.org/licenses/by-nc-nd/4.0/] NOTICE: This is the author's version of a work accepted for publication by Elsevier. Varun Vohra, Osamu Notoya, Tong Huang, Masayuki Yamaguchi, Hideyuki Murata, Polymer, 55(9), 2014, 2213-2219, http://dx.doi.org/10.1016/j.polymer.2014.03.030
URI: http://hdl.handle.net/10119/13486
Material Type: author
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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