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Direct observation of resonant energy transfer between quantum dots of two different sizes in a single water droplet
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10.1063/1.2226980
/content/aip/journal/apl/89/3/10.1063/1.2226980
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/3/10.1063/1.2226980
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) PL spectra of a mixed system of CdTe NCs in pure water recorded on a single droplet ( volume) at different times during the evaporation of solvent. (b) PL and absorption spectra for NCs and NCs in aqueous solution. It shows the energy overlap in the dots’ (serving as donors) PL spectrum with the dots’ (serving as acceptor) absorption spectrum.

Image of FIG. 2.
FIG. 2.

PL spectra of pure large NCs in aqueous solution recorded on a single droplet ( volume) at different times during the evaporation of solvent. The concentration of NCs is the same as that of in Fig. 1(a).

Image of FIG. 3.
FIG. 3.

PLE spectra for the mixed films of CdTe NCs monitoring the PL peak of the dot .

Image of FIG. 4.
FIG. 4.

Distance and drying time dependence of the normalized emission intensity for large NCs in the mixed system.

Image of FIG. 5.
FIG. 5.

(Color) True-color luminescence images of water droplets containing donors (top), acceptors (bottom), or mixed (middle) CdTe NCs taken at different times during evaporation of solvent.

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/content/aip/journal/apl/89/3/10.1063/1.2226980
2006-07-20
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Direct observation of resonant energy transfer between quantum dots of two different sizes in a single water droplet
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/3/10.1063/1.2226980
10.1063/1.2226980
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