Uniaxial orientation of P3HT film prepared by soft friction transfer method

Abstract The realization of room-temperature processes is an important factor in the development of flexible electronic devices composed of organic materials. In addition, a simple and cost-effective process is essential to produce stable working devices and to enhance the performance of a smart mat...

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Autores principales:	Masayoshi Imanishi, Daisuke Kajiya, Tomoyuki Koganezawa, Ken-ichi Saitow
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7235b9d3c3cc4bb88fc2d936cc724245
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spelling	oai:doaj.org-article:7235b9d3c3cc4bb88fc2d936cc7242452021-12-02T12:32:31ZUniaxial orientation of P3HT film prepared by soft friction transfer method10.1038/s41598-017-05396-92045-2322https://doaj.org/article/7235b9d3c3cc4bb88fc2d936cc7242452017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-05396-9https://doaj.org/toc/2045-2322Abstract The realization of room-temperature processes is an important factor in the development of flexible electronic devices composed of organic materials. In addition, a simple and cost-effective process is essential to produce stable working devices and to enhance the performance of a smart material for flexible, wearable, or stretchable-skin devices. Here, we present a soft friction transfer method for producing aligned polymer films; a glass substrate was mechanically brushed with a velvet fabric and poly(3-hexylthiophene) (P3HT) solution was then spin-coated on the substrate. A P3HT film with a uniaxial orientation was obtained in air at room temperature. The orientation factor was 17 times higher than that of a film prepared using a conventional friction transfer technique at a high temperature of 120 °C. In addition, an oriented film with a thickness of 40 nm was easily picked up and transferred to another substrate. The mechanism for orientation of the film was investigated using six experimental methods and theoretical calculation, and was thereby attributed to a chemical process, i.e., cellulose molecules attach to the substrate and act as a template for molecular alignment.Masayoshi ImanishiDaisuke KajiyaTomoyuki KoganezawaKen-ichi SaitowNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Masayoshi Imanishi Daisuke Kajiya Tomoyuki Koganezawa Ken-ichi Saitow Uniaxial orientation of P3HT film prepared by soft friction transfer method
description	Abstract The realization of room-temperature processes is an important factor in the development of flexible electronic devices composed of organic materials. In addition, a simple and cost-effective process is essential to produce stable working devices and to enhance the performance of a smart material for flexible, wearable, or stretchable-skin devices. Here, we present a soft friction transfer method for producing aligned polymer films; a glass substrate was mechanically brushed with a velvet fabric and poly(3-hexylthiophene) (P3HT) solution was then spin-coated on the substrate. A P3HT film with a uniaxial orientation was obtained in air at room temperature. The orientation factor was 17 times higher than that of a film prepared using a conventional friction transfer technique at a high temperature of 120 °C. In addition, an oriented film with a thickness of 40 nm was easily picked up and transferred to another substrate. The mechanism for orientation of the film was investigated using six experimental methods and theoretical calculation, and was thereby attributed to a chemical process, i.e., cellulose molecules attach to the substrate and act as a template for molecular alignment.
format	article
author	Masayoshi Imanishi Daisuke Kajiya Tomoyuki Koganezawa Ken-ichi Saitow
author_facet	Masayoshi Imanishi Daisuke Kajiya Tomoyuki Koganezawa Ken-ichi Saitow
author_sort	Masayoshi Imanishi
title	Uniaxial orientation of P3HT film prepared by soft friction transfer method
title_short	Uniaxial orientation of P3HT film prepared by soft friction transfer method
title_full	Uniaxial orientation of P3HT film prepared by soft friction transfer method
title_fullStr	Uniaxial orientation of P3HT film prepared by soft friction transfer method
title_full_unstemmed	Uniaxial orientation of P3HT film prepared by soft friction transfer method
title_sort	uniaxial orientation of p3ht film prepared by soft friction transfer method
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/7235b9d3c3cc4bb88fc2d936cc724245
work_keys_str_mv	AT masayoshiimanishi uniaxialorientationofp3htfilmpreparedbysoftfrictiontransfermethod AT daisukekajiya uniaxialorientationofp3htfilmpreparedbysoftfrictiontransfermethod AT tomoyukikoganezawa uniaxialorientationofp3htfilmpreparedbysoftfrictiontransfermethod AT kenichisaitow uniaxialorientationofp3htfilmpreparedbysoftfrictiontransfermethod
_version_	1718394040561434624

Uniaxial orientation of P3HT film prepared by soft friction transfer method

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