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The effects of surface plasmons (SPs) on Förster resonant energy transfer (FRET) in colloidal quantum dot (QD) structures have been investigated. CdTe QDs of two different sizes acted as donors and acceptors in a mixed donor-acceptor monolayer on top of a gold nanoparticle layer and an acceptor-gold-donor sandwich structure. The structures were prepared by a layer-by-layer technique and characterized...
CdTe nanowires have been self-assembled in solution from the individual CdTe nanocrystal building blocks. Individual wires preserve the bright luminescence of CdTe nanocrystals and have been studied by photoluminescence measurements at variable temperature and by fluorescence lifetime imaging microscopy. The wires represent quantum dot solids with a strong degree of electronic coupling between the...
Forster resonant energy transfer (FRET) has been investigated in two different quantum dot (QD) structures. Colloidal CdTe QDs of two different sizes act as energy donors and acceptors. They have been deposited in a mixed monolayer and a separate donor/acceptor layer structure. The optical properties of these structures have been analysed by steady-state absorption and photoluminescence (PL) spectroscopy,...
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