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Carrier transfer induced photoluminescence change in metal-semiconductor core-shell nanostructures
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10.1063/1.2197311
/content/aip/journal/apl/88/16/10.1063/1.2197311
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/16/10.1063/1.2197311
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Figures

Image of FIG. 1.
FIG. 1.

(a) Transmission electron microscopy image and (b) analytical transmission electron microscopy image of Au–CdS core-shell structure. (c) Powder x-ray diffraction of Au–CdS core-shell structure. (d) UV-visible absorption spectra of CdS (solid line) nanoparticles and Au–CdS (dotted line) core-shell nanoparticles.

Image of FIG. 2.
FIG. 2.

Photoluminescence spectra of CdS (solid line) nanoparticles and Au–CdS (dotted line) core-shell nanoparticles with photoexcitation of . (b) Corresponding photoluminescence excitation spectra of CdS nanoparticles and Au–CdS core-shell nanoparticles.

Image of FIG. 3.
FIG. 3.

(Color online) The band alignment of Au and CdS.

Image of FIG. 4.
FIG. 4.

(a) Transmission electron microscopy image and (b) powder x-ray diffraction of FePt–CdS core-shell structure.

Image of FIG. 5.
FIG. 5.

Photoluminescence spectra of FePt–CdS (solid line) and CdS (dotted line) nanoparticles.

Image of FIG. 6.
FIG. 6.

(Color online) Schematic diagrams of (a) surface plasmon wave from CdSe–Au nanodumbbell structure and (b) enhanced band gap emission from Au–CdS core-shell structure.

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/content/aip/journal/apl/88/16/10.1063/1.2197311
2006-04-19
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Carrier transfer induced photoluminescence change in metal-semiconductor core-shell nanostructures
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/16/10.1063/1.2197311
10.1063/1.2197311
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