Reversible Thermochromic Polymeric Thin Films Made of Ultrathin 2D Crystals of Coordination Polymers Based on Copper(I)-Thiophenolates
Entity
UAM. Departamento de Química InorgánicaPublisher
Wiley-VCH VerlagDate
2018-01-29Citation
10.1002/adfm.201704040
Advanced Functional Materials 28.5 31 (2018): 1704040
ISSN
1616-3028 (online); 1616-301X (print)DOI
10.1002/adfm.201704040Funded by
This work was supported by the Spanish MINECO (projects PN MAT2015-65354-C2-1-R, MAT2013-46753-C2-1-P, MAT2016-75883-C2-1-P, MAT2016-77608-C3-1-P, and CTQ2016-75816-C2-1-P), the Catalan AGAUR (project 2014 SGR 80), and the ERC under the EU FP7 (ERC-Co 615954). It was also funded by the CERCA Programme/ Generalitat de Catalunya. ICN2 acknowledges the support of the Spanish MINECO through the Severo Ochoa Centers of Excellence Program, under Grant No. SEV-2013-0295. F.Z. thanks the “María de Maeztu” Programme for Units of Excellence in R&D (MDM-2014-0377)Project
Gobierno de España. MAT2015-65354-C2-1-R; Gobierno de España. MAT2013-46753-C2-1-P; Gobierno de España. MAT2016-75883-C2-1-P; Gobierno de España. MAT2016-77608-C3-1-P; Gobierno de España. CTQ2016-75816-C2-1-P; Gobierno de España. SEV-2013-0295; Gobierno de España. MDM-2014-0377; info:eu-repo/grantAgreement/EC/FP7/615954Editor's Version
https://doi.org/10.1002/adfm.201704040Subjects
2D materials; Lamella coordination polymers; Luminescent materials; Nanocomposite films; Nanosheets; QuímicaNote
This is the peer reviewed version of the following article: Troyano, J., Castillo, O., Martínez, J. I., Fernández‐Moreira, V., Ballesteros, Y., Maspoch, D., ... & Delgado, S. (2018). Reversible Thermochromic Polymeric Thin Films Made of Ultrathin 2D Crystals of Coordination Polymers Based on Copper (I)‐Thiophenolates. Advanced Functional Materials, 28(5), 1704040, which has been published in final form at https://doi.org/10.1002/adfm.201704040. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived VersionsRights
© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, WeinheimAbstract
A one-pot reaction between Cu(BF4)2·xH2O and 4-mercaptobenzoic acid in acetone or methanol gives rise to the formation of lamellar microcrystals of two Cu(I)-thiophenolate-based coordination polymers (CPs) with the formulas [CuCT] n (1) (CT = 4-carboxy-thiophenolate) and [CuMCT]n (2) (MCT = 4-methoxycarbonyl-thiophenolate). Both 1 and 2 show a reversible luminescent thermochromic behavior upon cooling, changing their color from pale yellow to green to orange in the case of 1, and from pale orange to green in the case of 2. It is shown that the lamellar character of these crystals, which exhibit micrometer lateral dimensions and sub-micrometer/nanometer thicknesses, allows processing them with an organic polymer such as polyvinylidene difluoride (PVDF) to form thermochromic 1@PVDF and 2@PVDF thin films. These thermal stimuli-responsive thin films are freestanding, free of macroscopic defects, and robust under mechanical bending stress, opening up the possibility to use them in, for example, 2D imaging sensor films
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Google Scholar:Troyano, Javier
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Castillo, Oscar
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Martínez, José I.
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Fernández-Moreira, Vanesa
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Ballesteros, Yolanda
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Maspoch, Daniel
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Zamora Abanades, Félix Juan
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Delgado Gil, Salomé
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