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Optical characteristics of GaAs nanowire solar cells
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10.1063/1.4764927
/content/aip/journal/jap/112/10/10.1063/1.4764927
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/10/10.1063/1.4764927

Figures

Image of FIG. 1.
FIG. 1.

Model geometry for (a) etched NWs and (b) VLS NWs.

Image of FIG. 2.
FIG. 2.

Measured (a) and (c) and simulated (b) and (d) reflectance spectra for the GaAs substrate, samples A-H, and VLS NWs.

Image of FIG. 3.
FIG. 3.

Measured (filled squares) and calculated (open squares) solar weighted reflectance of GaAs substrate, samples A-H, and the VLS NWs.

Image of FIG. 4.
FIG. 4.

Simulations of (a) solar weighted reflectance and (b) solar weighted absorptance for NW length of 3 μm on a substrate of infinite thickness.

Image of FIG. 5.
FIG. 5.

Simulations of photocurrent density (a) with infinite substrate and (b) without substrate for NW length of 3 μm.

Image of FIG. 6.
FIG. 6.

NW, substrate, and total photocurrent density versus NW length obtained at D = 180 nm and P = 350 nm.

Image of FIG. 7.
FIG. 7.

Optical constants (a) n and (b) k of cyclotene and ITO. (b) Photocurrent density for polymer-filled and ITO-contacted NW with L = 3 μm.

Tables

Generic image for table
Table I.

Etched and VLS nanowire parameters.

Generic image for table
Table II.

Maximum photocurrent density for various NW array configurations.

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/content/aip/journal/jap/112/10/10.1063/1.4764927
2012-11-21
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optical characteristics of GaAs nanowire solar cells
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/10/10.1063/1.4764927
10.1063/1.4764927
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