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Recombination dynamics of photoluminescence in thiol-protected gold nanoclusters
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10.1063/1.3277184
/content/aip/journal/apl/95/26/10.1063/1.3277184
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/26/10.1063/1.3277184
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

PL intensity of Au NCs with (a) DDT and (b) DHLA at 10 K. The open circles and squares show emission energy dependence of carrier lifetimes. The solid lines display the fitted carrier lifetimes according to Eq. (3) from the carrier localization model. The inset displays the cartoon diagram of the Au NCs capped with (a) DDT and (b) DHLA.

Image of FIG. 2.
FIG. 2.

PL decay profiles of Au NCs monitored at the luminescence maximum with (a) DDT and (b) DHLA at 10 K. For the PL of NCs with DDT (DHLA), the stretched exponential decay (a combination of the stretched exponential and the single exponential decay) is observed.

Image of FIG. 3.
FIG. 3.

Radiative decay rates in Au NCs with DHLA vs the reciprocal temperature for the fast (open circles) and slow (open squares) PL decay. The solid lines display the fitted results according to Eqs. (4) and (5) . The radiative decay rate below 60 K is independent of , which is a characteristic of the zero-dimensional carriers.

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/content/aip/journal/apl/95/26/10.1063/1.3277184
2009-12-31
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Recombination dynamics of photoluminescence in thiol-protected gold nanoclusters
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/26/10.1063/1.3277184
10.1063/1.3277184
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