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The exciton contribution to the Faraday B term MCD of molecular dimers

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dc.contributor.authorHughes, Joseph
dc.contributor.authorPace, Ronald
dc.contributor.authorKrausz, Elmars
dc.date.accessioned2015-12-13T22:45:14Z
dc.date.available2015-12-13T22:45:14Z
dc.date.issued2004
dc.date.updated2015-12-11T10:20:32Z
dc.description.abstractAbsorption properties of aggregated molecular systems, which are not necessarily chemically bonded, can be analysed in terms of exciton phenomena. Angular momentum terms arising from exciton coupling often dominate the natural circular dichroism (CD) of molecular aggregates. This Letter, for the first time, extends such an analysis to the magnetic circular dichroism (MCD) of exciton-coupled molecular dimers. In particular, we determine the contribution to the Faraday B term MCD of an arbitrary dimer. A reduction in the MCD/absorbance ratio has been reported for various aggregated chlorophyll-like systems. Our analysis suggests that such observed variations in the B terms are not easily attributed to exciton coupling.
dc.identifier.issn0009-2614
dc.identifier.urihttp://hdl.handle.net/1885/79666
dc.publisherElsevier
dc.sourceChemical Physics Letters
dc.subjectKeywords: analytic method; article; chemical bond; circular dichroism; energy absorption; molecular interaction; reduction
dc.titleThe exciton contribution to the Faraday B term MCD of molecular dimers
dc.typeJournal article
local.bibliographicCitation.issue1-2
local.bibliographicCitation.lastpage121
local.bibliographicCitation.startpage116
local.contributor.affiliationHughes, Joseph, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationPace, Ronald, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationKrausz, Elmars, College of Physical and Mathematical Sciences, ANU
local.contributor.authoruidHughes, Joseph, u4003719
local.contributor.authoruidPace, Ronald, u8202121
local.contributor.authoruidKrausz, Elmars, u8102117
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.absfor030702 - Radiation and Matter
local.identifier.ariespublicationMigratedxPub8056
local.identifier.citationvolume385
local.identifier.doi10.1016/j.cplett.2003.12.067
local.identifier.scopusID2-s2.0-1642472871
local.type.statusPublished Version

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