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Asymmetry in photocurrent enhancement by plasmonic nanoparticle arrays located on the front or on the rear of solar cells
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10.1063/1.3292020
/content/aip/journal/apl/96/3/10.1063/1.3292020
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/3/10.1063/1.3292020
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Measured EQE for thick c-Si solar cells with Ag nanoparticles on the front (circles) and the rear (crosses) and without nanoparticles (solid line). Additionally, data for particles on the front, corrected for the antireflection effect of the nanoparticles (triangles) is shown. The inset shows the EQE enhancement relative to the reference for all three cases.

Image of FIG. 2.
FIG. 2.

Calculated normalized scattering cross-section and, inset, the fraction of light scattered by the nanoparticle that is scattered into the silicon , for a Ag disk of diameter 100 nm and height 50 nm, for spacer layer thickness of 5, 10, and 40 nm on a Si substrate. Data is shown for front-(crosses) and rear-(circles) located nanoparticles.

Image of FIG. 3.
FIG. 3.

Calculated driving field amplitude relative to the index-normalized incident amplitude , as a function of wavelength for (a) front- and (b) rear-located Ag nanoparticles on Si for different spacer layer thickness from 0 to 45 nm in steps of 5 nm. The fields are calculated using a one-dimensional transfer matrix method for a planar geometry (see inset) without the nanoparticle.

Image of FIG. 4.
FIG. 4.

The value of , calculated from FDTD simulations, for different spacer layer thicknesses from 0 to 45 nm, plotted against the calculated normalized local field intensity for front-(circles) and rear-(squares) located particles. A linear fit to the data for front-located particles is also shown.

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/content/aip/journal/apl/96/3/10.1063/1.3292020
2010-01-22
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Asymmetry in photocurrent enhancement by plasmonic nanoparticle arrays located on the front or on the rear of solar cells
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/3/10.1063/1.3292020
10.1063/1.3292020
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