The influence of electrical effects on device performance of organic solar cells with nano-structured electrodes

Abstract Integration of light-trapping features and exploitation of metal nanostructure plasmonic effects are promising approaches for enhancing the power conversion efficiency of organic solar cells. These approaches’ effects on the light absorption enhancement have been widely studied, especially...

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Autores principales:	Mina Mirsafaei, Amir Hossein Fallahpour, Paolo Lugli, Horst-Günter Rubahn, Jost Adam, Morten Madsen
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0eb4f240a1444d11a8d29f7aa33ba614
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spelling	oai:doaj.org-article:0eb4f240a1444d11a8d29f7aa33ba6142021-12-02T12:31:54ZThe influence of electrical effects on device performance of organic solar cells with nano-structured electrodes10.1038/s41598-017-05591-82045-2322https://doaj.org/article/0eb4f240a1444d11a8d29f7aa33ba6142017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-05591-8https://doaj.org/toc/2045-2322Abstract Integration of light-trapping features and exploitation of metal nanostructure plasmonic effects are promising approaches for enhancing the power conversion efficiency of organic solar cells. These approaches’ effects on the light absorption enhancement have been widely studied, especially in inorganic devices. While this light-trapping concept can be transferred to organic devices, one has to also consider nanostructure-induced electrical effects on the device performance, due to the fundamental difference in the organic semiconducting material properties compared to their inorganic counterparts. In this contribution, we exemplarily model the electrical properties of organic solar cells with rectangular-grating structures, as compared to planar reference devices. Based on our numeric results, we demonstrate that, beyond an optical absorption enhancement, the device fill factor improves significantly by introducing the grating structures. From the simulations we conclude that enhanced carrier collection efficiency is the main reason for the increased solar cell fill factor. This work contributes towards a more fundamental understanding of the effect of nanostructured electrodes on the electrical properties of organic solar cells.Mina MirsafaeiAmir Hossein FallahpourPaolo LugliHorst-Günter RubahnJost AdamMorten MadsenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Mina Mirsafaei Amir Hossein Fallahpour Paolo Lugli Horst-Günter Rubahn Jost Adam Morten Madsen The influence of electrical effects on device performance of organic solar cells with nano-structured electrodes
description	Abstract Integration of light-trapping features and exploitation of metal nanostructure plasmonic effects are promising approaches for enhancing the power conversion efficiency of organic solar cells. These approaches’ effects on the light absorption enhancement have been widely studied, especially in inorganic devices. While this light-trapping concept can be transferred to organic devices, one has to also consider nanostructure-induced electrical effects on the device performance, due to the fundamental difference in the organic semiconducting material properties compared to their inorganic counterparts. In this contribution, we exemplarily model the electrical properties of organic solar cells with rectangular-grating structures, as compared to planar reference devices. Based on our numeric results, we demonstrate that, beyond an optical absorption enhancement, the device fill factor improves significantly by introducing the grating structures. From the simulations we conclude that enhanced carrier collection efficiency is the main reason for the increased solar cell fill factor. This work contributes towards a more fundamental understanding of the effect of nanostructured electrodes on the electrical properties of organic solar cells.
format	article
author	Mina Mirsafaei Amir Hossein Fallahpour Paolo Lugli Horst-Günter Rubahn Jost Adam Morten Madsen
author_facet	Mina Mirsafaei Amir Hossein Fallahpour Paolo Lugli Horst-Günter Rubahn Jost Adam Morten Madsen
author_sort	Mina Mirsafaei
title	The influence of electrical effects on device performance of organic solar cells with nano-structured electrodes
title_short	The influence of electrical effects on device performance of organic solar cells with nano-structured electrodes
title_full	The influence of electrical effects on device performance of organic solar cells with nano-structured electrodes
title_fullStr	The influence of electrical effects on device performance of organic solar cells with nano-structured electrodes
title_full_unstemmed	The influence of electrical effects on device performance of organic solar cells with nano-structured electrodes
title_sort	influence of electrical effects on device performance of organic solar cells with nano-structured electrodes
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/0eb4f240a1444d11a8d29f7aa33ba614
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The influence of electrical effects on device performance of organic solar cells with nano-structured electrodes

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