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|a 10.1021/acs.chemmater.2c03798
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|a pubmed24n1179.xml
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|a (DE-627)NLM353795046
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|a (NLM)36873626
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|a eng
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|a Romagnoli, Lorenza
|e verfasserin
|4 aut
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|a 4,4'-(Anthracene-9,10-diylbis(ethyne-2,1-diyl))bis(1-methyl-1-pyridinium) Lead Iodide C30H22N2Pb2I6
|b A Highly Luminescent, Chemically and Thermally Stable One-Dimensional Hybrid Iodoplumbate
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|c 2023
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 07.03.2023
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Published by American Chemical Society.
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|a A new one-dimensional hybrid iodoplumbate, namely, 4,4'-(anthracene-9,10-diylbis(ethyne-2,1-diyl))bis(1-methyl-1-pyridinium) lead iodide C30H22N2Pb2I6 (AEPyPbI), is reported here for the first time with its complete characterization. The material exhibits remarkable thermal stability (up to 300 °C), and it is unreactive under ambient conditions toward water and atmospheric oxygen, due to the quaternary nature of the nitrogen atoms present in the organic cation. The cation exhibits strong visible fluorescence under ultraviolet (UV) irradiation, and when its iodide is combined with PbI2, it forms AEPyPb2I6, an efficient light-emitting material, with a photoluminescence emission intensity comparable to that of high-quality InP epilayers. The structure determination was obtained using three-dimensional electron diffraction, and the material was extensively studied by using a wide range of techniques, such as X-ray powder diffraction, diffuse reflectance UV-visible spectroscopy, thermogravimetry-differential thermal analysis, elemental analysis, Raman and infrared spectroscopies, and photoluminescence spectroscopy. The emissive properties of the material were correlated with its electronic structure by using state-of-the-art theoretical calculations. The complex, highly conjugated electronic structure of the cation interacts strongly with that of the Pb-I network, giving rise to the peculiar optoelectronic properties of AEPyPb2I6. The material, considering its relatively easy synthesis and stability, shows promise for light-emitting and photovoltaic devices. The use of highly conjugated quaternary ammonium cations may be useful for the development of new hybrid iodoplumbates and perovskites with optoelectronic properties tailored for specific applications
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|a Journal Article
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|a D'Annibale, Andrea
|e verfasserin
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|a Blundo, Elena
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|a Patra, Atanu
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|4 aut
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|a Polimeni, Antonio
|e verfasserin
|4 aut
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|a Meggiolaro, Daniele
|e verfasserin
|4 aut
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|a Andrusenko, Iryna
|e verfasserin
|4 aut
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|a Marchetti, Danilo
|e verfasserin
|4 aut
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|a Gemmi, Mauro
|e verfasserin
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|a Latini, Alessandro
|e verfasserin
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|i Enthalten in
|t Chemistry of materials : a publication of the American Chemical Society
|d 1998
|g 35(2023), 4 vom: 28. Feb., Seite 1818-1826
|w (DE-627)NLM098194763
|x 0897-4756
|7 nnns
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|g volume:35
|g year:2023
|g number:4
|g day:28
|g month:02
|g pages:1818-1826
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|u http://dx.doi.org/10.1021/acs.chemmater.2c03798
|3 Volltext
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