Journal
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
Volume 4, Issue 12, Pages 341-343Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssr.201004349
Keywords
quantum dots; transient absorption; time resolved luminescence; PbS exciton relaxation
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Exciton ralaxation in Pbs quantum dots (QDs) in glass and tetrachloroethylene have been investigated and the radiative and non-radiative relaxation rates of the lowest IS. IS state have been measured. An estimate of the carrier intra-band transition rates and their transfer efficiency is calculated. The dependence of the exciton dynamics on the QD surface properties is presented and discussed. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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