A Solution-Doped Polymer Semiconductor:Insulator Blend for Thermoelectrics

Poly(ethylene oxide) is demonstrated to be a suitable matrix polymer for the solution-doped conjugated polymer poly(3-hexylthiophene). The polarity of the insulator combined with carefully chosen processing conditions permits the fabrication of tens of micrometer-thick films that feature a fine dist...

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Authors: Kiefer, David, Liyang, Yu, Fransson, Erik, Gómez Rodríguez, Andrés, Primetzhofer, Daniel, Amassian, Aram, Campoy Quiles, Mariano, Müller, Christian
Format: article
Status:Published version
Publication Date:2017
Country:España
Institution:Consejo Superior de Investigaciones Científicas (CSIC)
Repository:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/151000
Online Access:http://hdl.handle.net/10261/151000
Access Level:Open access
Keyword:Conjugated polymers
Insulators
Molecular dopants
Organic thermoelectrics
Semiconductors
Ternary blend
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spelling A Solution-Doped Polymer Semiconductor:Insulator Blend for ThermoelectricsKiefer, DavidLiyang, YuFransson, ErikGómez Rodríguez, AndrésPrimetzhofer, DanielAmassian, AramCampoy Quiles, MarianoMüller, ChristianConjugated polymersInsulatorsMolecular dopantsOrganic thermoelectricsSemiconductorsTernary blendPoly(ethylene oxide) is demonstrated to be a suitable matrix polymer for the solution-doped conjugated polymer poly(3-hexylthiophene). The polarity of the insulator combined with carefully chosen processing conditions permits the fabrication of tens of micrometer-thick films that feature a fine distribution of the F4TCNQ dopant:semiconductor complex. Changes in electrical conductivity from 0.1 to 0.3 S cm−1 and Seebeck coefficient from 100 to 60 μV K−1 upon addition of the insulator correlate with an increase in doping efficiency from 20% to 40% for heavily doped ternary blends. An invariant bulk thermal conductivity of about 0.3 W m−1 K−1 gives rise to a thermoelectric Figure of merit ZT ∼ 10−4 that remains unaltered for an insulator content of more than 60 wt%. Free-standing, mechanically robust tapes illustrate the versatility of the developed dopant:semiconductor:insulator ternary blends.Financial support from the Swedish Research Council Formas, the Knut and Alice Wallenberg Foundation through a Wallenberg Academy Fellowship, the Foundation of Strategic Research (SSF) through a research infrastructure fellowship and the European Research Council (ERC) under grant agreements no. 637624 and 648901 is gratefully acknowledged. The authors thank Jason Ryan and Anders Mårtensson (Chalmers) for help with thermal conductivity and SEC measurements, Dr. Duc T. Duong (Stanford University) for advice on doping efficiency calculations and CHESS (supported by the NSF & NIH/NIGMS via NSF award DMR-1332208) for providing experimental time for GIWAXS measurements. M.C.Q. and A.G. acknowledge financial support from the Spanish Ministry of Economy and Competitiveness, through the “Severo Ochoa” Programme for Centres of Excellence in R&D (SEV-2015-0496) and project CSD2010–00044 (Consolider NANOTHERM).Peer reviewedWiley-VCHSwedish Research CouncilKnut and Alice Wallenberg FoundationSwedish Foundation for Strategic ResearchEuropean Research CouncilNational Science Foundation (US)National Institutes of Health (US)Ministerio de Economía y Competitividad (España)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]201720172017info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/151000reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/SEV-2015-0496info:eu-repo/grantAgreement/EC/FP7/637624info:eu-repo/grantAgreement/EC/FP7/648901http://dx.doi.org/10.1002/advs.201600203Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/1510002026-05-22T06:33:51Z
dc.title.none.fl_str_mv A Solution-Doped Polymer Semiconductor:Insulator Blend for Thermoelectrics
title A Solution-Doped Polymer Semiconductor:Insulator Blend for Thermoelectrics
spellingShingle A Solution-Doped Polymer Semiconductor:Insulator Blend for Thermoelectrics
Kiefer, David
Conjugated polymers
Insulators
Molecular dopants
Organic thermoelectrics
Semiconductors
Ternary blend
title_short A Solution-Doped Polymer Semiconductor:Insulator Blend for Thermoelectrics
title_full A Solution-Doped Polymer Semiconductor:Insulator Blend for Thermoelectrics
title_fullStr A Solution-Doped Polymer Semiconductor:Insulator Blend for Thermoelectrics
title_full_unstemmed A Solution-Doped Polymer Semiconductor:Insulator Blend for Thermoelectrics
title_sort A Solution-Doped Polymer Semiconductor:Insulator Blend for Thermoelectrics
dc.creator.none.fl_str_mv Kiefer, David
Liyang, Yu
Fransson, Erik
Gómez Rodríguez, Andrés
Primetzhofer, Daniel
Amassian, Aram
Campoy Quiles, Mariano
Müller, Christian
author Kiefer, David
author_facet Kiefer, David
Liyang, Yu
Fransson, Erik
Gómez Rodríguez, Andrés
Primetzhofer, Daniel
Amassian, Aram
Campoy Quiles, Mariano
Müller, Christian
author_role author
author2 Liyang, Yu
Fransson, Erik
Gómez Rodríguez, Andrés
Primetzhofer, Daniel
Amassian, Aram
Campoy Quiles, Mariano
Müller, Christian
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Swedish Research Council
Knut and Alice Wallenberg Foundation
Swedish Foundation for Strategic Research
European Research Council
National Science Foundation (US)
National Institutes of Health (US)
Ministerio de Economía y Competitividad (España)
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Conjugated polymers
Insulators
Molecular dopants
Organic thermoelectrics
Semiconductors
Ternary blend
topic Conjugated polymers
Insulators
Molecular dopants
Organic thermoelectrics
Semiconductors
Ternary blend
description Poly(ethylene oxide) is demonstrated to be a suitable matrix polymer for the solution-doped conjugated polymer poly(3-hexylthiophene). The polarity of the insulator combined with carefully chosen processing conditions permits the fabrication of tens of micrometer-thick films that feature a fine distribution of the F4TCNQ dopant:semiconductor complex. Changes in electrical conductivity from 0.1 to 0.3 S cm−1 and Seebeck coefficient from 100 to 60 μV K−1 upon addition of the insulator correlate with an increase in doping efficiency from 20% to 40% for heavily doped ternary blends. An invariant bulk thermal conductivity of about 0.3 W m−1 K−1 gives rise to a thermoelectric Figure of merit ZT ∼ 10−4 that remains unaltered for an insulator content of more than 60 wt%. Free-standing, mechanically robust tapes illustrate the versatility of the developed dopant:semiconductor:insulator ternary blends.
publishDate 2017
dc.date.none.fl_str_mv 2017
2017
2017
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/151000
url http://hdl.handle.net/10261/151000
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/SEV-2015-0496
info:eu-repo/grantAgreement/EC/FP7/637624
info:eu-repo/grantAgreement/EC/FP7/648901
http://dx.doi.org/10.1002/advs.201600203
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Wiley-VCH
publisher.none.fl_str_mv Wiley-VCH
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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