Nanoparticle scattering for multi-junction solar cells: the trade-off between absorption enhancement and transmission loss

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Title: Nanoparticle scattering for multi-junction solar cells: the trade-off between absorption enhancement and transmission loss
Authors: Mellor, AV
Hylton, NP
Hauser, H
Thomas, T
Lee, K
Al-Saleh, Y
Giannini, V
Braun, A
Loo, J
Vercruysse, D
Van Dorpe, P
Blasi, B
Maier, SA
Ekins-Daukes, N
Item Type: Journal Article
Abstract: This paper contains a combined experimental and simulation study of the effect of Al and AlInP nanoparticles on the performance of multi-junction solar cells. In particular, we investigate oblique photon scattering by the nanoparticle arrays as a means of improving thinned subcells or those with low diffusion lengths, either inherently or due to radiation damage. Experimental results show the feasibility of integrating nanoparticle arrays into the ARCs of commercial InGaP/InGaAs/Ge solar cells, and computational results show that nanoparticle arrays can improve the internal quantum efficiency via optical path length enhancement. However, a design that improves the external quantum efficiency of a stateof-the-art cell has not been found, despite the large parameter space studied. We show a clear trade-off between oblique scattering and transmission loss, and present design principles and insights into how improvements can be made.
Issue Date: 9-Sep-2016
Date of Acceptance: 12-Aug-2016
URI: http://hdl.handle.net/10044/1/39229
DOI: https://dx.doi.org/10.1109/JPHOTOV.2016.2601944
ISSN: 2156-3381
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Start Page: 1678
End Page: 1687
Journal / Book Title: IEEE Journal of Photovoltaics
Volume: 6
Issue: 6
Copyright Statement: © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Sponsor/Funder: Commission of the European Communities
European Space Agency / Estec
Commission of the European Communities
The Royal Society
Funder's Grant Number: 248154
4000110969/14/NL/FE
657359
IF140092
Publication Status: Published
Appears in Collections:Condensed Matter Theory
Physics
Experimental Solid State
Centre for Environmental Policy
Faculty of Natural Sciences



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