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Sign-reversed and magnitude-enhanced nonlinear absorption of Au–CdS core–shell hetero-nanorods
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10.1063/1.4802918
/content/aip/journal/apl/102/16/10.1063/1.4802918
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/16/10.1063/1.4802918
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

TEM images of (a) Au NRs and (b) Au–CdS core–shell NRs. (c) Linear absorption spectra of Au NRs (solid line) and Au–CdS core–shell NRs (dashed line). The insets show the local electric field intensity of the L-SPR for Au NRs (left) and Au–CdS core–shell NRs (right).

Image of FIG. 2.
FIG. 2.

Normalized open-aperture transmittance T OP of (a) Au NRs and (b)Au–CdS core–shell NRs with different excitation wavelengths. The scattered dots are experimental data while the solid lines are theoretically fitting curves. Curves are shifted vertically for clear presentation.

Image of FIG. 3.
FIG. 3.

Normalized T CL/T OP curves of (a) Au NRs and (b) Au–CdS core–shell NRs with different excitation wavelengths. The scattered dots are experimental data while the solid lines are theoretically fitting curves. Curves are shifted vertically for clear presentation.

Image of FIG. 4.
FIG. 4.

(a) Schematic diagram of main energy level for Au and CdS. (b) Third-order NLA coefficient β and (c) NLR index γ of Au NRs and Au–CdS NRs plotted as a function of excitation wavelength.

Image of FIG. 5.
FIG. 5.

Normalized transmittance at 860 nm of Au NRs and Au–CdS core–shell NRs in water.

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/content/aip/journal/apl/102/16/10.1063/1.4802918
2013-04-24
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Sign-reversed and magnitude-enhanced nonlinear absorption of Au–CdS core–shell hetero-nanorods
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/16/10.1063/1.4802918
10.1063/1.4802918
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