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Spectral tuning of plasmon-enhanced silicon quantum dot luminescence
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10.1063/1.2191411
/content/aip/journal/apl/88/13/10.1063/1.2191411
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/13/10.1063/1.2191411
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Array of Ag nanoparticles with diameter and pitch on Si-QD-doped quartz. (b) SEM images of a series of Ag nanoparticle arrays with and . (c) PL intensity map over a representative Ag array (, , and ) in steps, integrated from to .

Image of FIG. 2.
FIG. 2.

Optical characterization of a representative sample (, , and ). (a) Normalized transmission through the Ag nanoparticle array. (b) PL intensity from Si QDs in the absence (bottom curve) and presence (top curve) of Ag islands. (c) PL intensity enhancement [ratio of curves in (b)].

Image of FIG. 3.
FIG. 3.

PL intensity enhancement (solid lines) and normalized transmission spectra (dashed lines) for samples with and ; increases from the top to bottom panels, with , 185, 190, 230, 260, and , respectively.

Image of FIG. 4.
FIG. 4.

(a) Correspondence between the wavelength of minimum transmission and the wavelength of maximum PL enhancement for 187 different samples. (b) Comparison between the maximum magnitude of PL enhancement and the wavelength at which this maximum is reached for 201 different samples.

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/content/aip/journal/apl/88/13/10.1063/1.2191411
2006-03-31
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spectral tuning of plasmon-enhanced silicon quantum dot luminescence
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/13/10.1063/1.2191411
10.1063/1.2191411
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