Photo-luminescence properties of CuCl quantum dots and the dependence of biexciton formation rates on quantum dot sizes

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DOIResolve DOI: http://doi.org/10.1143/JPSJ.70.3723
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TypeArticle
Journal titleJournal of the Physical Society of Japan
ISSN0031-9015
Volume70
Issue12
Pages37233727; # of pages: 5
SubjectCuCl; nanocrystals; photo-luminescence; quantum dots
AbstractWe fabricated CuCl quantum dots (QDs) in a glass matrix. The blue shift of the exciton spectrum caused by quantum confinement effects was observed in the linear absorption and the photo-luminescence (PL) spectrum. Inhomogeneous line broadening was mainly induced by the size distribution of CuCl QDs and we found that the size distribution has Gaussian profiles. By solving the steady state rate equation, we also found that the intensities of biexciton PL were proportional to the square of exciton PL intensities, and the results were well accorded with the experimental results. The formation rates of biexciton were proportional to the volumes of CuCl QDs. �2001 The Physical Society of Japan
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LanguageEnglish
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Identifier1011001x
NPARC number12330147
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Record identifier05952b50-3742-45e7-bf9c-2b30d46501a2
Record created2009-09-10
Record modified2016-05-09
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