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Quantifying Losses in Open-Circuit Voltage in Solution-Processable Solar Cells

Jizhong Yao, Thomas Kirchartz, Michelle S. Vezie, Mark A. Faist, Wei Gong, Zhicai He, Hongbin Wu, Joel Troughton, Trystan Watson Orcid Logo, Daniel Bryant, Jenny Nelson Orcid Logo

Physical Review Applied, Volume: 4, Issue: 1

Swansea University Authors: Trystan Watson Orcid Logo, Daniel Bryant, Jenny Nelson Orcid Logo

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Abstract

The maximum open-circuit voltage of a solar cell can be evaluated in terms of its ability to emit light. We herein verify the reciprocity relation between the electroluminescence spectrum and subband-gap quantum efficiency spectrum for several photovoltaic technologies at different stages of commerc...

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Published in: Physical Review Applied
ISSN: 2331-7019 2331-7019
Published: 2015
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URI: https://cronfa.swan.ac.uk/Record/cronfa28845
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spelling 2021-01-14T13:13:38.5567132 v2 28845 2016-06-12 Quantifying Losses in Open-Circuit Voltage in Solution-Processable Solar Cells a210327b52472cfe8df9b8108d661457 0000-0002-8015-1436 Trystan Watson Trystan Watson true false aff7482847d3156c4437cd912e0bbd3e Daniel Bryant Daniel Bryant true false e0e41c0bb2b9cae677f7fbbf88abe590 0000-0003-1048-1330 Jenny Nelson Jenny Nelson true false 2016-06-12 MTLS The maximum open-circuit voltage of a solar cell can be evaluated in terms of its ability to emit light. We herein verify the reciprocity relation between the electroluminescence spectrum and subband-gap quantum efficiency spectrum for several photovoltaic technologies at different stages of commercial development, including inorganic, organic, and a type of methyl-ammonium lead- halide CH3NH3PbI3−xClx perovskite solar cells. Based on the detailed balance theory and reciprocity relations between light emission and light absorption, voltage losses at open circuit are quantified and assigned to specific mechanisms, namely, absorption edge broadening and nonradiative recombination. The voltage loss due to nonradiative recombination is low for inorganic solar cells (0.04–0.21 V), while for organic solar cell devices it is larger but surprisingly uniform, with values of 0.34–0.44 V for a range of material combinations. We show that, in CH3NH3PbI3−xClx perovskite solar cells that exhibit hysteresis, the loss to nonradiative recombination varies substantially with voltage scan conditions. We then show that for different solar cell technologies there is a roughly linear relation between the power conversion efficiency and the voltage loss due to nonradiative recombination. Journal Article Physical Review Applied 4 1 2331-7019 2331-7019 31 12 2015 2015-12-31 10.1103/physrevapplied.4.014020 http://dx.doi.org/10.1103/physrevapplied.4.014020 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2021-01-14T13:13:38.5567132 2016-06-12T21:38:27.6615759 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Jizhong Yao 1 Thomas Kirchartz 2 Michelle S. Vezie 3 Mark A. Faist 4 Wei Gong 5 Zhicai He 6 Hongbin Wu 7 Joel Troughton 8 Trystan Watson 0000-0002-8015-1436 9 Daniel Bryant 10 Jenny Nelson 0000-0003-1048-1330 11
title Quantifying Losses in Open-Circuit Voltage in Solution-Processable Solar Cells
spellingShingle Quantifying Losses in Open-Circuit Voltage in Solution-Processable Solar Cells
Trystan Watson
Daniel Bryant
Jenny Nelson
title_short Quantifying Losses in Open-Circuit Voltage in Solution-Processable Solar Cells
title_full Quantifying Losses in Open-Circuit Voltage in Solution-Processable Solar Cells
title_fullStr Quantifying Losses in Open-Circuit Voltage in Solution-Processable Solar Cells
title_full_unstemmed Quantifying Losses in Open-Circuit Voltage in Solution-Processable Solar Cells
title_sort Quantifying Losses in Open-Circuit Voltage in Solution-Processable Solar Cells
author_id_str_mv a210327b52472cfe8df9b8108d661457
aff7482847d3156c4437cd912e0bbd3e
e0e41c0bb2b9cae677f7fbbf88abe590
author_id_fullname_str_mv a210327b52472cfe8df9b8108d661457_***_Trystan Watson
aff7482847d3156c4437cd912e0bbd3e_***_Daniel Bryant
e0e41c0bb2b9cae677f7fbbf88abe590_***_Jenny Nelson
author Trystan Watson
Daniel Bryant
Jenny Nelson
author2 Jizhong Yao
Thomas Kirchartz
Michelle S. Vezie
Mark A. Faist
Wei Gong
Zhicai He
Hongbin Wu
Joel Troughton
Trystan Watson
Daniel Bryant
Jenny Nelson
format Journal article
container_title Physical Review Applied
container_volume 4
container_issue 1
publishDate 2015
institution Swansea University
issn 2331-7019
2331-7019
doi_str_mv 10.1103/physrevapplied.4.014020
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
url http://dx.doi.org/10.1103/physrevapplied.4.014020
document_store_str 0
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description The maximum open-circuit voltage of a solar cell can be evaluated in terms of its ability to emit light. We herein verify the reciprocity relation between the electroluminescence spectrum and subband-gap quantum efficiency spectrum for several photovoltaic technologies at different stages of commercial development, including inorganic, organic, and a type of methyl-ammonium lead- halide CH3NH3PbI3−xClx perovskite solar cells. Based on the detailed balance theory and reciprocity relations between light emission and light absorption, voltage losses at open circuit are quantified and assigned to specific mechanisms, namely, absorption edge broadening and nonradiative recombination. The voltage loss due to nonradiative recombination is low for inorganic solar cells (0.04–0.21 V), while for organic solar cell devices it is larger but surprisingly uniform, with values of 0.34–0.44 V for a range of material combinations. We show that, in CH3NH3PbI3−xClx perovskite solar cells that exhibit hysteresis, the loss to nonradiative recombination varies substantially with voltage scan conditions. We then show that for different solar cell technologies there is a roughly linear relation between the power conversion efficiency and the voltage loss due to nonradiative recombination.
published_date 2015-12-31T03:31:36Z
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