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Design of light scattering in nanowire materials for photovoltaic applications

Design of light scattering in nanowire materials for photovoltaic applications
Design of light scattering in nanowire materials for photovoltaic applications
We experimentally investigate the optical properties of layers of InP, Si, and GaP nanowires, relevant for applications in solar cells. The nanowires are strongly photonic, resulting in a significant coupling mismatch with incident light due to multiple scattering. We identify a design principle for the effective suppression of reflective losses, based on the ratio of the nondiffusive absorption and diffusive scattering lengths. Using this principle, we demonstrate successful suppression of the hemispherical diffuse reflectance of InP nanowires to below that of the corresponding transparent effective medium. The design of light scattering in nanowire materials is of large importance for optimization of the external efficiency of nanowire-based photovoltaic devices
1530-6984
2638-2642
Muskens, Otto L.
2284101a-f9ef-4d79-8951-a6cda5bfc7f9
Rivas, Jaime Gómez
2e9f23a2-d5b0-4e3f-bdda-bb65d3dfa560
Algra, Rienk E.
a1b75885-e5bb-40b4-b58f-fa250a1ae972
Bakkers, Erik P. A. M.
b08e06aa-28bc-48c5-8e4a-69bfc4a9b116
Lagendijk, Ad
654e90ee-9b9c-4140-9dd5-18354cfa6c7a
Muskens, Otto L.
2284101a-f9ef-4d79-8951-a6cda5bfc7f9
Rivas, Jaime Gómez
2e9f23a2-d5b0-4e3f-bdda-bb65d3dfa560
Algra, Rienk E.
a1b75885-e5bb-40b4-b58f-fa250a1ae972
Bakkers, Erik P. A. M.
b08e06aa-28bc-48c5-8e4a-69bfc4a9b116
Lagendijk, Ad
654e90ee-9b9c-4140-9dd5-18354cfa6c7a

Muskens, Otto L., Rivas, Jaime Gómez, Algra, Rienk E., Bakkers, Erik P. A. M. and Lagendijk, Ad (2008) Design of light scattering in nanowire materials for photovoltaic applications. Nano Letters, 8 (9), 2638-2642. (doi:10.1021/nl0808076).

Record type: Article

Abstract

We experimentally investigate the optical properties of layers of InP, Si, and GaP nanowires, relevant for applications in solar cells. The nanowires are strongly photonic, resulting in a significant coupling mismatch with incident light due to multiple scattering. We identify a design principle for the effective suppression of reflective losses, based on the ratio of the nondiffusive absorption and diffusive scattering lengths. Using this principle, we demonstrate successful suppression of the hemispherical diffuse reflectance of InP nanowires to below that of the corresponding transparent effective medium. The design of light scattering in nanowire materials is of large importance for optimization of the external efficiency of nanowire-based photovoltaic devices

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Published date: 14 August 2008
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 144329
URI: http://eprints.soton.ac.uk/id/eprint/144329
ISSN: 1530-6984
PURE UUID: 8831dac2-743a-414f-8d17-eee057352858
ORCID for Otto L. Muskens: ORCID iD orcid.org/0000-0003-0693-5504

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Date deposited: 14 Apr 2010 09:38
Last modified: 17 Dec 2019 01:42

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Contributors

Author: Otto L. Muskens ORCID iD
Author: Jaime Gómez Rivas
Author: Rienk E. Algra
Author: Erik P. A. M. Bakkers
Author: Ad Lagendijk

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