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Multi‐Directional Mechanofluorochromism of Acetyl Pyrenes and Pyrenyl Ynones

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dc.abstract.enA series of acetyl pyrenes and pyrenyl ynones with and without tert-butyl groups showed distinct mechanofluorochromism (MFC). Four pairs of polymorphic solids were found out of six compounds and interestingly, each of them showed hypsochromic, bathochromic or off-to-on MFC. The MFC properties were rationalized by categorizing the packing schemes into herringbone, sandwich, beta and gamma motifs depending on the relative contributions of C⋅⋅⋅C (or π-π) against C⋅⋅⋅H contacts. The bulky tert-butyl and trimethylsilyl groups served not only to reduce the number of aggregation patterns but also to prohibit the complete back reactions in solid state. Our results suggest that the simple pyrene derivatives may be promising candidates for a novel group of mechanically-sensitive materials.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorMétivier, Rémi
dc.contributor.authorAllain, Clémence
dc.contributor.authorVersace, Davy‐Louis
dc.contributor.authorMichely, Laurent
dc.contributor.authorHirai, Yuichi
dc.contributor.authorBrosseau, Arnaud
dc.contributor.authorZakrzewski, Janusz
dc.contributor.authorMakal, Anna
dc.contributor.authorWrona‐Piotrowicz, Anna
dc.contributor.authorLaize‐Générat, Lucie
dc.date.accessioned2024-01-25T13:06:04Z
dc.date.available2024-01-25T13:06:04Z
dc.date.issued2021
dc.description.financePublikacja bezkosztowa
dc.description.number15
dc.description.volume22
dc.identifier.doi10.1002/CPHC.202100294
dc.identifier.issn1439-4235
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/113065
dc.identifier.weblinkhttps://onlinelibrary.wiley.com/doi/pdf/10.1002/cphc.202100294
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.ispartofChemPhysChem
dc.relation.pages1638-1644
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.subject.enfluorescence
dc.subject.enmechanofluorochromism
dc.subject.enorganic materials
dc.subject.enpyrene
dc.subject.ensolid state emission
dc.titleMulti‐Directional Mechanofluorochromism of Acetyl Pyrenes and Pyrenyl Ynones
dc.typeJournalArticle
dspace.entity.typePublication