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Ultrafast photoluminescence in silicon nanocrystals studied by femtosecond up-conversion technique
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10.1063/1.2206848
/content/aip/journal/jap/99/11/10.1063/1.2206848
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/11/10.1063/1.2206848
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The absorption and normalized time-integrated PL spectra of samples 101 and 605. PL was excited by femtosecond pulses.

Image of FIG. 2.
FIG. 2.

Ultrafast PL dynamics of samples 101 and 605 at excited by femtosecond pulses. Smooth curves—a two-exponential fits. Inset: (right) comparison of ultrafast (zero-time) and time-integrated PL spectra (dashed curve) for sample 101; (left) scheme of relaxation and recombination channels in Si-NCs (E—excitation, R—relaxation, PL—radiative recombination of the interior “exciton,” T—carrier trapping to the surface states, and SPL—recombination of the surface trapped carriers).

Image of FIG. 3.
FIG. 3.

Microsecond PL decay of sample 101 at excited by picosecond pulses. Smooth curve—a fit by a stretched-exponential function [see Eq. (1)]. Inset: the spectra of the parameters and for samples 101 (solid symbols) and 605 (open symbols).

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/content/aip/journal/jap/99/11/10.1063/1.2206848
2006-06-14
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ultrafast photoluminescence in silicon nanocrystals studied by femtosecond up-conversion technique
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/11/10.1063/1.2206848
10.1063/1.2206848
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