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

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 semico...

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Main Authors: Rion Parsons, Asman Tamang, Vladislav Jovanov, Veit Wagner, Dietmar Knipp
Format: Article
Language:English
Published: MDPI AG 2017-04-01
Series:Applied Sciences
Subjects:
Online Access:http://www.mdpi.com/2076-3417/7/4/427
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author Rion Parsons
Asman Tamang
Vladislav Jovanov
Veit Wagner
Dietmar Knipp
author_facet Rion Parsons
Asman Tamang
Vladislav Jovanov
Veit Wagner
Dietmar Knipp
author_sort Rion Parsons
collection DOAJ
description 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.
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spelling doaj.art-53798f435ae9428fb5269383149811a12022-12-21T18:53:04ZengMDPI AGApplied Sciences2076-34172017-04-017442710.3390/app7040427app7040427Comparison of Light Trapping in Silicon Nanowire and Surface Textured Thin-Film Solar CellsRion Parsons0Asman Tamang1Vladislav Jovanov2Veit Wagner3Dietmar Knipp4Jacobs University Bremen, 28759 Bremen, GermanyJacobs University Bremen, 28759 Bremen, GermanyJacobs University Bremen, 28759 Bremen, GermanyJacobs University Bremen, 28759 Bremen, GermanyJacobs University Bremen, 28759 Bremen, GermanyThe 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.http://www.mdpi.com/2076-3417/7/4/427nanowireslight trappingsolar cells
spellingShingle Rion Parsons
Asman Tamang
Vladislav Jovanov
Veit Wagner
Dietmar Knipp
Comparison of Light Trapping in Silicon Nanowire and Surface Textured Thin-Film Solar Cells
Applied Sciences
nanowires
light trapping
solar cells
title Comparison of Light Trapping in Silicon Nanowire and Surface Textured Thin-Film Solar Cells
title_full Comparison of Light Trapping in Silicon Nanowire and Surface Textured Thin-Film Solar Cells
title_fullStr Comparison of Light Trapping in Silicon Nanowire and Surface Textured Thin-Film Solar Cells
title_full_unstemmed Comparison of Light Trapping in Silicon Nanowire and Surface Textured Thin-Film Solar Cells
title_short Comparison of Light Trapping in Silicon Nanowire and Surface Textured Thin-Film Solar Cells
title_sort comparison of light trapping in silicon nanowire and surface textured thin film solar cells
topic nanowires
light trapping
solar cells
url http://www.mdpi.com/2076-3417/7/4/427
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