Performance enhancement of thin film silicon solar cells based on distributed Bragg reflector & diffraction grating

The influence of various designing parameters were investigated and explored for high performance solar cells. Single layer grating based solar cell of 50 μm thickness gives maximum efficiency up to 24 % whereas same efficiency is achieved with the use of three bilayers grating based solar cell of 3...

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Main Authors: R. S. Dubey, S. Saravanan, S. Kalainathan
Format: Article
Language:English
Published: AIP Publishing LLC 2014-12-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.4904218
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author R. S. Dubey
S. Saravanan
S. Kalainathan
author_facet R. S. Dubey
S. Saravanan
S. Kalainathan
author_sort R. S. Dubey
collection DOAJ
description The influence of various designing parameters were investigated and explored for high performance solar cells. Single layer grating based solar cell of 50 μm thickness gives maximum efficiency up to 24 % whereas same efficiency is achieved with the use of three bilayers grating based solar cell of 30 μm thickness. Remarkably, bilayer grating based solar cell design not only gives broadband absorption but also enhancement in efficiency with reduced cell thickness requirement. This absorption enhancement is attributed to the high reflection and diffraction from DBR and grating respectively. The obtained short-circuit current were 29.6, 32.9, 34.6 and 36.05 mA/cm2 of 5, 10, 20 and 30 μm cell thicknesses respectively. These presented designing efforts would be helpful to design and realize new generation of solar cells.
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spelling doaj.art-1e42c8c9c3e24692a72eab04d9fe7cf82022-12-21T21:20:29ZengAIP Publishing LLCAIP Advances2158-32262014-12-01412127121127121-610.1063/1.4904218022412ADVPerformance enhancement of thin film silicon solar cells based on distributed Bragg reflector & diffraction gratingR. S. Dubey0S. Saravanan1S. Kalainathan2Advanced Research Laboratory for Nanomaterials and Devices, Department of Nanotechnology, Swarnandhra College of Engineering and Technology, Seetharampuram, Narsapur (A.P.), INDIAAdvanced Research Laboratory for Nanomaterials and Devices, Department of Nanotechnology, Swarnandhra College of Engineering and Technology, Seetharampuram, Narsapur (A.P.), INDIASchool of Advanced Sciences, VIT University, Vellore, (T.N.), INDIAThe influence of various designing parameters were investigated and explored for high performance solar cells. Single layer grating based solar cell of 50 μm thickness gives maximum efficiency up to 24 % whereas same efficiency is achieved with the use of three bilayers grating based solar cell of 30 μm thickness. Remarkably, bilayer grating based solar cell design not only gives broadband absorption but also enhancement in efficiency with reduced cell thickness requirement. This absorption enhancement is attributed to the high reflection and diffraction from DBR and grating respectively. The obtained short-circuit current were 29.6, 32.9, 34.6 and 36.05 mA/cm2 of 5, 10, 20 and 30 μm cell thicknesses respectively. These presented designing efforts would be helpful to design and realize new generation of solar cells.http://dx.doi.org/10.1063/1.4904218
spellingShingle R. S. Dubey
S. Saravanan
S. Kalainathan
Performance enhancement of thin film silicon solar cells based on distributed Bragg reflector & diffraction grating
AIP Advances
title Performance enhancement of thin film silicon solar cells based on distributed Bragg reflector & diffraction grating
title_full Performance enhancement of thin film silicon solar cells based on distributed Bragg reflector & diffraction grating
title_fullStr Performance enhancement of thin film silicon solar cells based on distributed Bragg reflector & diffraction grating
title_full_unstemmed Performance enhancement of thin film silicon solar cells based on distributed Bragg reflector & diffraction grating
title_short Performance enhancement of thin film silicon solar cells based on distributed Bragg reflector & diffraction grating
title_sort performance enhancement of thin film silicon solar cells based on distributed bragg reflector diffraction grating
url http://dx.doi.org/10.1063/1.4904218
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AT skalainathan performanceenhancementofthinfilmsiliconsolarcellsbasedondistributedbraggreflectordiffractiongrating