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Article: Ferroelectric Polarization and Second Harmonic Generation in Supramolecular Cocrystals with Two Axes of Charge-Transfer

TitleFerroelectric Polarization and Second Harmonic Generation in Supramolecular Cocrystals with Two Axes of Charge-Transfer
Authors
Issue Date2017
Citation
Journal of the American Chemical Society, 2017, v. 139, n. 27, p. 9186-9191 How to Cite?
AbstractFerroelectricity in organic materials remains a subject of great interest, given its potential impact as lightweight information storage media. Here we report supramolecular charge-transfer cocrystals formed by electron acceptor and donor molecules that exhibit ferroelectric behavior along two distinct crystallographic axes. The solid-state superstructure of the cocrystals reveals that a 2:1 ratio of acceptor to donor molecules assemble into nearly orthogonal mixed stacks in which the molecules are positioned for charge-transfer in face-to-face and edge-to-face orientations, held together by an extended hydrogen-bonding network. Polarization hysteresis was observed along the face-to-face and edge-to-face axes at room temperature. The noncentrosymmetric nature of the cocrystals, required to observe ferroelectric behavior, is demonstrated using second harmonic generation measurements. This finding suggests the possibility of designing supramolecular arrays in which organic molecules support multidimensional information storage.
Persistent Identifierhttp://hdl.handle.net/10722/333286
ISSN
2023 Impact Factor: 14.4
2023 SCImago Journal Rankings: 5.489
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorNarayanan, Ashwin-
dc.contributor.authorCao, Dennis-
dc.contributor.authorFrazer, Laszlo-
dc.contributor.authorTayi, Alok S.-
dc.contributor.authorBlackburn, Anthea K.-
dc.contributor.authorSue, Andrew C.H.-
dc.contributor.authorKetterson, John B.-
dc.contributor.authorStoddart, J. Fraser-
dc.contributor.authorStupp, Samuel I.-
dc.date.accessioned2023-10-06T05:18:12Z-
dc.date.available2023-10-06T05:18:12Z-
dc.date.issued2017-
dc.identifier.citationJournal of the American Chemical Society, 2017, v. 139, n. 27, p. 9186-9191-
dc.identifier.issn0002-7863-
dc.identifier.urihttp://hdl.handle.net/10722/333286-
dc.description.abstractFerroelectricity in organic materials remains a subject of great interest, given its potential impact as lightweight information storage media. Here we report supramolecular charge-transfer cocrystals formed by electron acceptor and donor molecules that exhibit ferroelectric behavior along two distinct crystallographic axes. The solid-state superstructure of the cocrystals reveals that a 2:1 ratio of acceptor to donor molecules assemble into nearly orthogonal mixed stacks in which the molecules are positioned for charge-transfer in face-to-face and edge-to-face orientations, held together by an extended hydrogen-bonding network. Polarization hysteresis was observed along the face-to-face and edge-to-face axes at room temperature. The noncentrosymmetric nature of the cocrystals, required to observe ferroelectric behavior, is demonstrated using second harmonic generation measurements. This finding suggests the possibility of designing supramolecular arrays in which organic molecules support multidimensional information storage.-
dc.languageeng-
dc.relation.ispartofJournal of the American Chemical Society-
dc.titleFerroelectric Polarization and Second Harmonic Generation in Supramolecular Cocrystals with Two Axes of Charge-Transfer-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/jacs.7b02279-
dc.identifier.pmid28661665-
dc.identifier.scopuseid_2-s2.0-85023743289-
dc.identifier.volume139-
dc.identifier.issue27-
dc.identifier.spage9186-
dc.identifier.epage9191-
dc.identifier.eissn1520-5126-
dc.identifier.isiWOS:000405642400022-

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