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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202307564
|2 doi
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|a eng
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|a Cinquino, Marco
|e verfasserin
|4 aut
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|a Thermochromic Printable and Multicolor Polymeric Composite Based on Hybrid Organic-Inorganic Perovskite
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 11.01.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Hybrid organic-inorganic perovskites (PVKs) are among the most promising materials for optoelectronic applications thanks to their outstanding photophysical properties and easy synthesis. Herein, a new PVK-based thermochromic composite is demonstrated. It can reversibly switch from a transparent state (transmittance > 80%) at room temperature to a colored state (transmittance < 10%) at high temperature, with very fast kinetics, taking only a few seconds to go from the bleached to the colored state (and vice versa). X-ray diffraction, Fourier-transform infrared spectroscopy, differential scanning calometry, rheological, and optical measurements carried out during heating/cooling cycles reveal that thermochromism in the material is based on a reversible process of PVK disassembly/assembly mediated by intercalating polymeric chains, through the formation and breaking of hydrogen bonds between polymer and perovskite. Therefore, differently from other thermochromic perovskites, that generally work with the adsorption/desorption of volatile molecules, the system is able to perform several heating/cooling cycles regardless of environmental conditions. The color and transition temperature (from 70 to 120 °C) can be tuned depending on the type of perovskite. Moreover, this thermochromic material is printable and can be deposited by cheap techniques, paving the way for a new class of smart coatings with an unprecedented range of colors
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|a Journal Article
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|a 2D perovskites
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|a hybrid organic-inorganic perovskites
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|a optical devices
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|a thermochromic materials
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|a thermoresponsive thin films
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|a Prontera, Carmela Tania
|e verfasserin
|4 aut
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|a Giuri, Antonella
|e verfasserin
|4 aut
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|a Pugliese, Marco
|e verfasserin
|4 aut
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|a Giannuzzi, Roberto
|e verfasserin
|4 aut
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|a Maggiore, Antonio
|e verfasserin
|4 aut
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|a Altamura, Davide
|e verfasserin
|4 aut
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|a Mariano, Fabrizio
|e verfasserin
|4 aut
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|a Gigli, Giuseppe
|e verfasserin
|4 aut
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|a Esposito Corcione, Carola
|e verfasserin
|4 aut
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|a Giannini, Cinzia
|e verfasserin
|4 aut
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|a Rizzo, Aurora
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|4 aut
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|a De Marco, Luisa
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|4 aut
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|a Maiorano, Vincenzo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 2 vom: 13. Jan., Seite e2307564
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:36
|g year:2024
|g number:2
|g day:13
|g month:01
|g pages:e2307564
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|u http://dx.doi.org/10.1002/adma.202307564
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