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Appl. Sci. 2017, 7(4), 427; doi:10.3390/app7040427

Comparison of Light Trapping in Silicon Nanowire and Surface Textured Thin-Film Solar Cells

Jacobs University Bremen, 28759 Bremen, Germany
Present address: University of California Observatories, Santa Cruz, CA 95064, USA.
Present address: Stanford University, Stanford, CA 94305, USA.
*
Author to whom correspondence should be addressed.
Academic Editor: Alejandro Pérez-Rodríguez
Received: 6 March 2017 / Revised: 17 April 2017 / Accepted: 18 April 2017 / Published: 24 April 2017
(This article belongs to the Special Issue Light Management for Optoelectronics)
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Abstract

The optics of axial silicon nanowire solar cells is investigated and compared to silicon thin-film solar cells with textured contact layers. The quantum efficiency and short circuit current density are calculated taking a device geometry into account, which can be fabricated by using standard semiconductor processing. The solar cells with textured absorber and textured contact layers provide a gain of short circuit current density of 4.4 mA/cm2 and 6.1 mA/cm2 compared to a solar cell on a flat substrate, respectively. The influence of the device dimensions on the quantum efficiency and short circuit current density will be discussed. View Full-Text
Keywords: nanowires; light trapping; solar cells nanowires; light trapping; solar cells
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Parsons, R.; Tamang, A.; Jovanov, V.; Wagner, V.; Knipp, D. Comparison of Light Trapping in Silicon Nanowire and Surface Textured Thin-Film Solar Cells. Appl. Sci. 2017, 7, 427.

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