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Photocurrent in Ag–Si photodiodes modulated by plasmonic nanopatterns
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10.1063/1.3275708
/content/aip/journal/apl/95/24/10.1063/1.3275708
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/24/10.1063/1.3275708

Figures

Image of FIG. 1.
FIG. 1.

Schematic of our samples (a) Cross section: Schottky contact formed at the interface of Ag and p-Si, ohmic contact formed at the interface of Al and p-Si. (b) Sketch of patterns on the Ag film. (c) curve of our samples. (d) Sketch of our experimental set-up.

Image of FIG. 2.
FIG. 2.

(a) Measured currents vs periods, ranging from 495 to 905 nm, both without and with reverse bias voltages. Dotted-dashed lines represent approximate periods to excite SPP while dotted lines represent periods where Wood’s anomaly occurs. (b) Distribution of (parallel to the surface) in a unit cell at the period of 635 nm. (c) Distribution of (parallel to the surface) in a unit cell at the period of 595 nm.

Image of FIG. 3.
FIG. 3.

Measured photocurrents vs reverse bias voltages at the periods corresponding to SPP and Wood’s anomaly .

Tables

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Table I.

Periods corresponding to Wood’s anomaly at the Ag–Si interface, represents the reciprocal vector.

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/content/aip/journal/apl/95/24/10.1063/1.3275708
2009-12-18
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Photocurrent in Ag–Si photodiodes modulated by plasmonic nanopatterns
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/24/10.1063/1.3275708
10.1063/1.3275708
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