Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/92447
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dc.contributor.authorHu, Yuzhongen
dc.contributor.authorZhang, Hongboen
dc.contributor.authorChong, Wee Kiangen
dc.contributor.authorLi, Yongxinen
dc.contributor.authorKe, Yujieen
dc.contributor.authorGanguly, Rakeshen
dc.contributor.authorMorris, Samuel Alexanderen
dc.contributor.authorYou, Luen
dc.contributor.authorYu, Tingen
dc.contributor.authorSum, Tze Chienen
dc.contributor.authorLong, Yien
dc.contributor.authorFan, Hong Jinen
dc.date.accessioned2019-06-13T04:59:24Zen
dc.date.accessioned2019-12-06T18:23:26Z-
dc.date.available2019-06-13T04:59:24Zen
dc.date.available2019-12-06T18:23:26Z-
dc.date.issued2018en
dc.identifier.citationHu, Y., Zhang, H., Chong, W. K., Li, Y., Ke, Y., Ganguly, R., … Fan, H. J. (2018). Molecular engineering toward coexistence of dielectric and optical switch behavior in hybrid perovskite phase transition material. The Journal of Physical Chemistry A, 122(31), 6416-6423. doi:10.1021/acs.jpca.8b05693en
dc.identifier.issn1089-5639en
dc.identifier.urihttps://hdl.handle.net/10356/92447-
dc.description.abstractOrganic–inorganic hybrid perovskites with considerable dielectric differences near the phase transition are potential candidates as phase transition materials (PTMs). However, compared with traditional PTMs, which require multiple switchable channels, the hybrid perovskites so far show only switching behavior in dielectric constants. We herein report a new crystal design strategy and successful synthesis of a two-dimensional perovskite (C6H5C2H4NH3)2MnCl4. In this hybrid perovskite, the manganese chloride octahedron is a crystal field sensitive luminescent molecular system. The distortion level of MnCl64– also depends on temperature during the order–disorder phase transition. Hence, such a manganese octahedron-based perovskite can exhibit switching behaviors in both dielectric and optical properties. We observe a 14% decrease in optical absorption and 1.6 times increase in dielectric constant during the phase transition at 365 K. In addition, the characteristic photoluminescence decreases by 17% in intensity. Such a molecule-based crystal design paves a new way to explore multifunctional PTMs based on organic–inorganic perovskites.en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.format.extent18 p.en
dc.language.isoenen
dc.relation.ispartofseriesThe Journal of Physical Chemistry Aen
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in The Journal of Physical Chemistry A, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.jpca.8b05693en
dc.subjectPerovskite Crystalsen
dc.subjectInorganic-organic Hybrid Perovskiteen
dc.subjectDRNTU::Science::Physicsen
dc.titleMolecular engineering toward coexistence of dielectric and optical switch behavior in hybrid perovskite phase transition materialen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.identifier.doi10.1021/acs.jpca.8b05693en
dc.description.versionAccepted versionen
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