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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202108720
|2 doi
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|a pubmed24n1123.xml
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|a (DE-627)NLM337138184
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|a (NLM)35181967
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Muscarella, Loreta A
|e verfasserin
|4 aut
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|a Reversible Pressure-Dependent Mechanochromism of Dion-Jacobson and Ruddlesden-Popper Layered Hybrid Perovskites
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|c 2022
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|a Text
|b txt
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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 27.04.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Layered Dion-Jacobson (DJ) and Ruddlesden-Popper (RP) hybrid perovskites are promising materials for optoelectronic applications due to their modular structure. To fully exploit their functionality, mechanical stimuli can be used to control their properties without changing the composition. However, the responsiveness of these systems to pressure compatible with practical applications (<1 GPa) remains unexploited. Hydrostatic pressure is used to investigate the structure-property relationships in representative iodide and bromide DJ and RP 2D perovskites based on 1,4-phenylenedimethylammonium (PDMA) and benzylammonium (BzA) spacers in the 0-0.35 GPa pressure range. Pressure-dependent X-ray scattering measurements reveal that lattices of these compositions monotonically shrink and density functional theory calculations provide insights into the structural changes within the organic spacer layer. These structural changes affect the optical properties; the most significant shift in the optical absorption is observed in (BzA)2 PbBr4 under 0.35 GPa pressure, which is attributed to an isostructural phase transition. Surprisingly, the RP and DJ perovskites behave similarly under pressure, despite the different binding modes of the spacer molecules. This study provides important insights into how the manipulation of the crystal structure affects the optoelectronic properties of such materials, whereas the reversibility of their response expands the perspectives for future applications
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|a Journal Article
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|a layered hybrid perovskites
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|a mechanochromism
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|a pressure-dependent optoelectronics
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|a Dučinskas, Algirdas
|e verfasserin
|4 aut
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|a Dankl, Mathias
|e verfasserin
|4 aut
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|a Andrzejewski, Michał
|e verfasserin
|4 aut
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|a Casati, Nicola Pietro Maria
|e verfasserin
|4 aut
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|a Rothlisberger, Ursula
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|4 aut
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|a Maier, Joachim
|e verfasserin
|4 aut
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|a Graetzel, Michael
|e verfasserin
|4 aut
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|a Ehrler, Bruno
|e verfasserin
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|a Milić, Jovana V
|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 34(2022), 17 vom: 10. Apr., Seite e2108720
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:17
|g day:10
|g month:04
|g pages:e2108720
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|u http://dx.doi.org/10.1002/adma.202108720
|3 Volltext
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