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dc.contributor.authorCole, Jacqueline M
dc.contributor.authorGosztola, David J
dc.contributor.authorSylvester, Sven O
dc.date.accessioned2022-05-17T09:03:09Z
dc.date.available2022-05-17T09:03:09Z
dc.date.issued2021-04-07
dc.identifier.issn2046-2069
dc.identifier.other35423860
dc.identifier.otherPMC8697492
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/337221
dc.description.abstractSingle crystals that behave as optical switches are desirable for a wide range of applications, from optical sensors to read-write memory media. A series of ruthenium-based complexes that exhibit optical switching in their single-crystal form via SO2 linkage photoisomerisation are of prospective interest for these technologies. This study explores the optical switching behaviour in one such complex, trans-[Ru(SO2)(NH3)4(H2O)]tosylate2 (1), in terms of its dark and photoinduced crystal structure, as well as its light and thermal decay characteristics, which are deduced by photocrystallography, single-crystal optical absorption spectroscopy and microscopy. Photocrystallography results reveal that a photoisomerisation level of 21.5(5)% is achievable in 1. Biphasic photochromic crystals of 1 were generated by applying green and then red light to switch on and off the η2-(OS)O photoisomer in different regions of a crystal. Heat is a known alternative to its thermal decay, whereby a method is demonstrated that employs optical absorption spectra to determine its activation energy of 30 kJ mol-1. This low-energy barrier to optical switching agrees well with computational studies on 1, as well as being comparable to activation energies in ruthenium-based nitrosyl linkage photoisomers that also display solid-state optical switching.
dc.description.sponsorshipBASF/Royal Academy of Engineering Research Chair in Data-Driven Molecular Engineering of Functional Materials (STFC); 1851 Royal Commission of the Great Exhibition (2014 Fellowship in Design); U.S. Department of Energy (DOE) Office of Science, Office of Basic Energy Sciences (contract no. DE-AC02-06CH11357); Cambridge Commonwealth Trust
dc.languageeng
dc.publisherRoyal Society of Chemistry (RSC)
dc.rightsAttribution-NonCommercial 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/
dc.sourcenlmid: 101581657
dc.sourceessn: 2046-2069
dc.titleLow-energy optical switching of SO2 linkage isomerisation in single crystals of a ruthenium-based coordination complex.
dc.typeArticle
dc.date.updated2022-05-17T09:03:08Z
prism.endingPage13192
prism.issueIdentifier22
prism.publicationNameRSC Adv
prism.startingPage13183
prism.volume11
dc.identifier.doi10.17863/CAM.84639
dcterms.dateAccepted2021-03-26
rioxxterms.versionofrecord10.1039/d1ra01696b
rioxxterms.versionVoR
rioxxterms.licenseref.urihttps://creativecommons.org/licenses/by-nc/4.0/
dc.contributor.orcidCole, Jacqueline M [0000-0002-1552-8743]
dc.contributor.orcidGosztola, David J [0000-0003-2674-1379]
dc.identifier.eissn2046-2069
pubs.funder-project-idRoyal Academy of Engineering (RAEng) (RCSRF1819\7\10)
pubs.funder-project-idSTFC (Unknown)
cam.issuedOnline2021-04-08


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Attribution-NonCommercial 4.0 International
Except where otherwise noted, this item's licence is described as Attribution-NonCommercial 4.0 International