Enhanced Light Harvesting in Perovskite Solar Cells by a Bioinspired Nanostructured Back Electrode

Wei, J; Xu, RP; Li, YQ; Li, C; Chen, JD; Zhao, XD; Xie, ZZ; Lee, CS; Zhang, WJ; Tang, JX

Enhanced Light Harvesting in Perovskite Solar Cells by a Bioinspired Nanostructured Back Electrode

Wei, J Xu, RP Li, YQ Li, C

Chen, JD Zhao, XD Xie, ZZ Lee, CS Zhang, WJ Tang, JX

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Publisher:: Wiley-VCH Verlag
Publication Type:: Journal Article
Citation:: Advanced Energy Materials, 2017, 7, (20), pp. 1-7
Issue Date:: 2017-10-25

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Field	Value	Language
dc.contributor.author	Wei, J
dc.contributor.author	Xu, RP
dc.contributor.author	Li, YQ
dc.contributor.author	Li, C https://orcid.org/0000-0002-8424-9721
dc.contributor.author	Chen, JD
dc.contributor.author	Zhao, XD
dc.contributor.author	Xie, ZZ
dc.contributor.author	Lee, CS
dc.contributor.author	Zhang, WJ
dc.contributor.author	Tang, JX
dc.date.accessioned	2022-09-08T00:55:28Z
dc.date.available	2022-09-08T00:55:28Z
dc.date.issued	2017-10-25
dc.identifier.citation	Advanced Energy Materials, 2017, 7, (20), pp. 1-7
dc.identifier.issn	1614-6832
dc.identifier.issn	1614-6840
dc.identifier.uri	http://hdl.handle.net/10453/161502
dc.description.abstract	Light management holds great promise of realizing high-performance perovskite solar cells by improving the sunlight absorption with lower recombination current and thus higher power conversion efficiency (PCE). Here, a convenient and scalable light trapping scheme is demonstrated by incorporating bioinspired moth-eye nanostructures into the metal back electrode via soft imprinting technique to enhance the light harvesting in organic–inorganic lead halide perovskite solar cells. Compared to the flat reference cell with a methylammonium lead halide perovskite (CH3NH3PbI3−xClx) absorber, 14.3% of short-circuit current improvement is achieved for the patterned devices with moth-eye nanostructures, yielding an increased PCE up to 16.31% without sacrificing the open-circuit voltage and fill factor. The experimental and theoretical characterizations verify that the cell performance enhancement is mainly ascribed by the broadband polarization-insensitive light scattering and surface plasmonic effects due to the patterned metal back electrode. It is noteworthy that this light trapping strategy is fully compatible with solution-processed perovskite solar cells and opens up many opportunities toward the future photovoltaic applications.
dc.language	English
dc.publisher	Wiley-VCH Verlag
dc.relation.ispartof	Advanced Energy Materials
dc.relation.isbasedon	10.1002/aenm.201700492
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0303 Macromolecular and Materials Chemistry, 0912 Materials Engineering, 0915 Interdisciplinary Engineering
dc.title	Enhanced Light Harvesting in Perovskite Solar Cells by a Bioinspired Nanostructured Back Electrode
dc.type	Journal Article
utslib.citation.volume	7
utslib.for	0303 Macromolecular and Materials Chemistry
utslib.for	0912 Materials Engineering
utslib.for	0915 Interdisciplinary Engineering
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2022-09-08T00:55:26Z
pubs.issue	20
pubs.publication-status	Published
pubs.volume	7
utslib.citation.issue	20

Abstract:

Light management holds great promise of realizing high-performance perovskite solar cells by improving the sunlight absorption with lower recombination current and thus higher power conversion efficiency (PCE). Here, a convenient and scalable light trapping scheme is demonstrated by incorporating bioinspired moth-eye nanostructures into the metal back electrode via soft imprinting technique to enhance the light harvesting in organic–inorganic lead halide perovskite solar cells. Compared to the flat reference cell with a methylammonium lead halide perovskite (CH3NH3PbI3−xClx) absorber, 14.3% of short-circuit current improvement is achieved for the patterned devices with moth-eye nanostructures, yielding an increased PCE up to 16.31% without sacrificing the open-circuit voltage and fill factor. The experimental and theoretical characterizations verify that the cell performance enhancement is mainly ascribed by the broadband polarization-insensitive light scattering and surface plasmonic effects due to the patterned metal back electrode. It is noteworthy that this light trapping strategy is fully compatible with solution-processed perovskite solar cells and opens up many opportunities toward the future photovoltaic applications.

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http://hdl.handle.net/10453/161502