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Photoluminescent Ferroelastic Molecular Crystals
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| Creator |
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| Accessrights |
open access |
| Rights |
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en
This is the peer reviewed version of the following article: T. Seki, C. Feng, K. Kashiyama, S. Sakamoto, Y. Takasaki, T. Sasaki, S. Takamizawa, H. Ito, Angew. Chem. Int. Ed. 2020, 59, 8839, which has been published in final form at https://doi.org/10.1002/anie.201914610. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
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| Subject |
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Other
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ferroelasticity
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gold complex
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Other
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mechanical property
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Other
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photoluminescence
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| Description |
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Abstract
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Ferroelasticity has been reported for several types of molecular crystals, which show mechanical-stress-induced shape change under twinning and/or spontaneous formation of strain. Aiming to create materials that exhibit both ferroelasticity and light-emission characteristics, we discovered the first examples of ferroelastic luminescent organometallic crystals. Crystals of arylgold(I)(N-heterocyclic carbene)(NHC) complexes bend upon exposure to anisotropic mechanical stress. X-ray diffraction analyses and stress-strain measurements on these ferroelastic crystals confirmed typical ferroelastic behavior, mechanical twinning, and the spontaneous build-up of strain. A comparison with single-crystal structures of related gold-NHC complexes that do not show ferroelasticity shed light on the structural origins of the ferroelastic behavior.
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| Publisher |
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Wiley-Blackwell
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| Date |
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| Resource Type |
journal article |
| Version Type |
AM |
| Identifier |
HDL
http://hdl.handle.net/2115/81628
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| Relation |
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isVersionOf
DOI
https://doi.org/10.1002/anie.201914610
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| Journal |
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Angewandte chemie-international edition
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Volume Number59
Issue Number23
Page Start8839
Page End8843
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| File |
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| Oaidate |
2023-07-26 |
