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Journal of Photonics for Energy

Analysis of surface recombination in nanowire array solar cells
Author(s): Shuqing Yu; Friedhard Römer; Bernd Witzigmann
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Paper Abstract

In this work, microscopic three-dimensional simulations were performed on nanowire array solar cells to study the impact of surface recombination (SR) on the photovoltaic performance. Both axially and radially arranged p-n junction in III-V-based structures were taken into consideration. From the cases with SR velocity varying from 1e3 cm/s to 1e6 cm/s , the radial p-n-junction nanowire was found to provide better tolerance for SR. The SR difference within the axial and radial p-n-junction structures is explained by analyzing the relevant minority carrier density, followed by a discussion on the impact of SR on the diffusive nature of minority carriers.

Paper Details

Date Published: 20 September 2012
PDF: 9 pages
J. Photon. Energy. 2(1) 028002 doi: 10.1117/1.JPE.2.028002
Published in: Journal of Photonics for Energy Volume 2, Issue 1
Show Author Affiliations
Shuqing Yu, Univ. Kassel (Germany)
Friedhard Römer, Univ. Kassel (Germany)
Bernd Witzigmann, Univ. Kassel (Germany)


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