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Energy Transfer Dynamics of Nanocrystal−Polymer Composites

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Warner, Jamie H.; Watt, Andrew; Thomsen, Elizabeth; Heckenberg, Norman Richard; Meredith, Paul; Rubinsztein-Dunlop, Halina

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Steady-state and time-resolved photoluminescence spectroscopy are used to examine the photoluminescent properties of nanocrystal-polymer composites consisting of colloidal PbS nanocrystals blended with poly(2-methoxy-5(2- ethylhexyloxy)-p-phenylene vinylene). Quenching of the emission from the conjugated polymer due to the PbS nanocrystals is observed along with band edge emission from the ligand capped PbS nanocrystals. A decrease in the photoluminescence lifetime of MEH-PPV is also observed...[Show more]

dc.contributor.authorWarner, Jamie H.
dc.contributor.authorWatt, Andrew
dc.contributor.authorThomsen, Elizabeth
dc.contributor.authorHeckenberg, Norman Richard
dc.contributor.authorMeredith, Paul
dc.contributor.authorRubinsztein-Dunlop, Halina
dc.date.accessioned2015-12-10T22:14:09Z
dc.identifier.issn1520-6106
dc.identifier.urihttp://hdl.handle.net/1885/50136
dc.description.abstractSteady-state and time-resolved photoluminescence spectroscopy are used to examine the photoluminescent properties of nanocrystal-polymer composites consisting of colloidal PbS nanocrystals blended with poly(2-methoxy-5(2- ethylhexyloxy)-p-phenylene vinylene). Quenching of the emission from the conjugated polymer due to the PbS nanocrystals is observed along with band edge emission from the ligand capped PbS nanocrystals. A decrease in the photoluminescence lifetime of MEH-PPV is also observed in the thin film nanocrystalpolymer composite materials. Photoluminescence excitation spectroscopy of the PbS nanocrystal emission from the composite shows features attributed to MEH-PPV providing evidence of a Förster transfer process.
dc.publisherAmerican Chemical Society
dc.sourceJournal of Physical Chemistry B
dc.subjectKeywords: Colloids; Energy transfer; Lead compounds; Nanostructured materials; Organic polymers; Photoluminescence; Quenching; Spectroscopic analysis; Thin films; Ligands; Nanocrystal-polymer composites; Quantum yield; Time-resolved photoluminescence spectroscopy;
dc.titleEnergy Transfer Dynamics of Nanocrystal−Polymer Composites
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume109
dc.date.issued2005
local.identifier.absfor030302 - Nanochemistry and Supramolecular Chemistry
local.identifier.ariespublicationu4133361xPUB198
local.type.statusPublished Version
local.contributor.affiliationWarner, Jamie H., University of Queensland
local.contributor.affiliationWatt, Andrew, University of Queensland
local.contributor.affiliationThomsen, Elizabeth, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationHeckenberg, Norman Richard, University of Queensland
local.contributor.affiliationMeredith, Paul, University of Queensland
local.contributor.affiliationRubinsztein-Dunlop, Halina, University of Queensland
local.description.embargo2037-12-31
local.bibliographicCitation.issue18
local.bibliographicCitation.startpage9001
local.bibliographicCitation.lastpage9005
local.identifier.doi10.1021/jp044531b
dc.date.updated2015-12-09T08:04:25Z
local.identifier.scopusID2-s2.0-19944373438
CollectionsANU Research Publications

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