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Proceedings Paper

Nonradiative resonant energy transfer between PbS QDs in porous matrix
Author(s): Elena V. Ushakova; Aleksandr P. Litvin; Peter S. Parfenov; Anatoly V. Fedorov; Sergei A. Cherevkov; Alexander V. Baranov
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Paper Abstract

Nonradiative fluorescence resonance energy transfer (FRET) between lead sulfide quantum dots (QDs) of two different sizes embedded in porous matrix is observed by a fluorescence spectroscopy. Analysis of decays of photoluminescence from QD mixture shows that energy transfer in studied systems is determined by static quenching, specific for direct contact between QD-donor and QD-acceptor in the QDs close-packed ensembles. From steady-state spectral analysis it was found that efficiency of energy transfer depends on the molar ratio QD-donor/QD-acceptor and energy transfer from the donor to the acceptor passes by several channels.

Paper Details

Date Published: 13 September 2013
PDF: 6 pages
Proc. SPIE 8807, Nanophotonic Materials X, 88070W (13 September 2013); doi: 10.1117/12.2023035
Show Author Affiliations
Elena V. Ushakova, National Research Univ. of Information Technologies, Mechanics and Optics (Russian Federation)
Aleksandr P. Litvin, National Research Univ. of Information Technologies, Mechanics and Optics (Russian Federation)
Peter S. Parfenov, National Research Univ. of Information Technologies, Mechanics and Optics (Russian Federation)
Anatoly V. Fedorov, National Research Univ. of Information Technologies, Mechanics and Optics (Russian Federation)
Sergei A. Cherevkov, National Research Univ. of Information Technologies, Mechanics and Optics (Russian Federation)
Alexander V. Baranov, National Research Univ. of Information Technologies, Mechanics and Optics (Russian Federation)


Published in SPIE Proceedings Vol. 8807:
Nanophotonic Materials X
Stefano Cabrini; Gilles Lérondel; Adam M. Schwartzberg; Taleb Mokari, Editor(s)

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