Microstructural control suppresses thermal activation of electron transport at room temperature in polymer transistors
dc.contributor.author | Luzio, Alessandro | |
dc.contributor.author | Nuebling, Fritz | |
dc.contributor.author | Martín Pérez, Jaime | |
dc.contributor.author | Fazzi, Daniele | |
dc.contributor.author | Selter, Philipp | |
dc.contributor.author | Gann, Eliot | |
dc.contributor.author | McNeill, Christopher R. | |
dc.contributor.author | Brinkmann, Martin | |
dc.contributor.author | Hansen, Michael Ryan | |
dc.contributor.author | Stingelin, Natalie | |
dc.contributor.author | Sommer, Michael | |
dc.contributor.author | Caironi, Mario | |
dc.date.accessioned | 2020-03-02T09:04:06Z | |
dc.date.available | 2020-03-02T09:04:06Z | |
dc.date.issued | 2019-07-29 | |
dc.identifier.citation | Nature Communication 10 : (2019) // Article ID 3365 | es_ES |
dc.identifier.issn | 2041-1723 | |
dc.identifier.uri | http://hdl.handle.net/10810/41888 | |
dc.description.abstract | Recent demonstrations of inverted thermal activation of charge mobility in polymer field-effect transistors have excited the interest in transport regimes not limited by thermal barriers. However, rationalization of the limiting factors to access such regimes is still lacking. An improved understanding in this area is critical for development of new materials, establishing processing guidelines, and broadening of the range of applications. Here we show that precise processing of a diketopyrrolopyrrole-tetrafluorobenzene-based electron transporting copolymer results in single crystal-like and voltage-independent mobility with vanishing activation energy above 280 K. Key factors are uniaxial chain alignment and thermal annealing at temperatures within the melting endotherm of films. Experimental and computational evidences converge toward a picture of electrons being delocalized within crystalline domains of increased size. Residual energy barriers introduced by disordered regions are bypassed in the direction of molecular alignment by a more efficient interconnection of the ordered domains following the annealing process. | es_ES |
dc.description.sponsorship | M.C. thanks D. Natali for insightful discussions. M.S. and F.N. thank M. Hagios and A. Warmbold for SEC and bulk DSC measurements, respectively. This work was financially supported by the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme "HEROIC", grant agreement 638059. M.S. acknowledges funding from the DFG (SO 1213/8-1). N.S. acknowledges the financial support of the US National Science Foundation through the DMREF program (DMR-1729737). D.F. acknowledges the Deutsche Forschungsgemeinschaft (DFG) for a Principal Investigator grant (FA 1502/1-1). Part of this work was carried out on the SAXS/WAXS and Soft X-ray Beamlines at the Australian Synchrotron, part of ANSTO and at Polifab, the micro-and nano-technology center of the Politecnico di Milano. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Nature Publishing Group | es_ES |
dc.relation | info:eu-repo/grantAgreement/EC/H2020/638059 | es_ES |
dc.rights | info:eu-repo/semantics/openAccess | es_ES |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es/ | * |
dc.subject | field-effect transistors | es_ES |
dc.subject | high-mobility | es_ES |
dc.subject | band-like | es_ES |
dc.subject | charge-transport | es_ES |
dc.subject | organic transistors | es_ES |
dc.subject | molecular-structure | es_ES |
dc.subject | performance | es_ES |
dc.subject | range | es_ES |
dc.subject | design | es_ES |
dc.subject | disorder | es_ES |
dc.title | Microstructural control suppresses thermal activation of electron transport at room temperature in polymer transistors | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.holder | This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. | es_ES |
dc.rights.holder | Atribución 3.0 España | * |
dc.relation.publisherversion | https://www.nature.com/articles/s41467-019-11125-9.pdf | es_ES |
dc.identifier.doi | 10.1038/s41467-019-11125-9 | |
dc.contributor.funder | European Commission | |
dc.departamentoes | Ciencia y tecnología de polímeros | es_ES |
dc.departamentoeu | Polimeroen zientzia eta teknologia | es_ES |
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