Monolithic Perovskite/Silicon-Heterojunction Tandem Solar Cells with Nanocrystalline Si/SiO<sub>x</sub> Tunnel Junction

Perovskite/silicon tandem solar cells have strong potential for high efficiency and low cost photovoltaics. In monolithic (two-terminal) configurations, one key element is the interconnection region of the two subcells, which should be designed for optimal light management and prevention of parasiti...

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Autores principales:	Lucia V. Mercaldo, Eugenia Bobeico, Antonella De Maria, Marco Della Noce, Manuela Ferrara, Vera La Ferrara, Laura Lancellotti, Gabriella Rametta, Gennaro V. Sannino, Iurie Usatii, Paola Delli Veneri
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	monolithic perovskite/silicon tandem solar cells triple cation perovskite silicon heterojunction tunnel recombination junction doped nanocrystalline silicon oxide Technology T
Acceso en línea:	https://doaj.org/article/1e79f73d6ab542fd9641c477143c5d5e
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spelling	oai:doaj.org-article:1e79f73d6ab542fd9641c477143c5d5e2021-11-25T17:27:52ZMonolithic Perovskite/Silicon-Heterojunction Tandem Solar Cells with Nanocrystalline Si/SiO<sub>x</sub> Tunnel Junction10.3390/en142276841996-1073https://doaj.org/article/1e79f73d6ab542fd9641c477143c5d5e2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/22/7684https://doaj.org/toc/1996-1073Perovskite/silicon tandem solar cells have strong potential for high efficiency and low cost photovoltaics. In monolithic (two-terminal) configurations, one key element is the interconnection region of the two subcells, which should be designed for optimal light management and prevention of parasitic p/n junctions. We investigated monolithic perovskite/silicon-heterojunction (SHJ) tandem solar cells with a p/n nanocrystalline silicon/silicon-oxide recombination junction for improved infrared light management. This design can additionally provide for resilience to shunts and simplified cell processing. We probed modified SHJ solar cells, made from double-side polished n-type Si wafers, which included the proposed front-side p/n tunnel junction with the p-type film simultaneously functioning as selective charge transport layer for the SHJ bottom cell, trying different thicknesses for the n-type layer. Full tandem devices were then tested, by applying a planar n-i-p mixed-cation mixed-halide perovskite top cell, fabricated via low temperature solution methods to be compatible with the processed Si wafer. We demonstrate the feasibility of this tandem cell configuration over a 1 cm<sup>2</sup> area with negligible J-V hysteresis and a V<sub>OC</sub> ~1.8 V, matching the sum of the V<sub>OC</sub>-s contributed by the two components.Lucia V. MercaldoEugenia BobeicoAntonella De MariaMarco Della NoceManuela FerraraVera La FerraraLaura LancellottiGabriella RamettaGennaro V. SanninoIurie UsatiiPaola Delli VeneriMDPI AGarticlemonolithic perovskite/silicon tandem solar cellstriple cation perovskitesilicon heterojunctiontunnel recombination junctiondoped nanocrystalline silicon oxideTechnologyTENEnergies, Vol 14, Iss 7684, p 7684 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	monolithic perovskite/silicon tandem solar cells triple cation perovskite silicon heterojunction tunnel recombination junction doped nanocrystalline silicon oxide Technology T
spellingShingle	monolithic perovskite/silicon tandem solar cells triple cation perovskite silicon heterojunction tunnel recombination junction doped nanocrystalline silicon oxide Technology T Lucia V. Mercaldo Eugenia Bobeico Antonella De Maria Marco Della Noce Manuela Ferrara Vera La Ferrara Laura Lancellotti Gabriella Rametta Gennaro V. Sannino Iurie Usatii Paola Delli Veneri Monolithic Perovskite/Silicon-Heterojunction Tandem Solar Cells with Nanocrystalline Si/SiO<sub>x</sub> Tunnel Junction
description	Perovskite/silicon tandem solar cells have strong potential for high efficiency and low cost photovoltaics. In monolithic (two-terminal) configurations, one key element is the interconnection region of the two subcells, which should be designed for optimal light management and prevention of parasitic p/n junctions. We investigated monolithic perovskite/silicon-heterojunction (SHJ) tandem solar cells with a p/n nanocrystalline silicon/silicon-oxide recombination junction for improved infrared light management. This design can additionally provide for resilience to shunts and simplified cell processing. We probed modified SHJ solar cells, made from double-side polished n-type Si wafers, which included the proposed front-side p/n tunnel junction with the p-type film simultaneously functioning as selective charge transport layer for the SHJ bottom cell, trying different thicknesses for the n-type layer. Full tandem devices were then tested, by applying a planar n-i-p mixed-cation mixed-halide perovskite top cell, fabricated via low temperature solution methods to be compatible with the processed Si wafer. We demonstrate the feasibility of this tandem cell configuration over a 1 cm<sup>2</sup> area with negligible J-V hysteresis and a V<sub>OC</sub> ~1.8 V, matching the sum of the V<sub>OC</sub>-s contributed by the two components.
format	article
author	Lucia V. Mercaldo Eugenia Bobeico Antonella De Maria Marco Della Noce Manuela Ferrara Vera La Ferrara Laura Lancellotti Gabriella Rametta Gennaro V. Sannino Iurie Usatii Paola Delli Veneri
author_facet	Lucia V. Mercaldo Eugenia Bobeico Antonella De Maria Marco Della Noce Manuela Ferrara Vera La Ferrara Laura Lancellotti Gabriella Rametta Gennaro V. Sannino Iurie Usatii Paola Delli Veneri
author_sort	Lucia V. Mercaldo
title	Monolithic Perovskite/Silicon-Heterojunction Tandem Solar Cells with Nanocrystalline Si/SiO<sub>x</sub> Tunnel Junction
title_short	Monolithic Perovskite/Silicon-Heterojunction Tandem Solar Cells with Nanocrystalline Si/SiO<sub>x</sub> Tunnel Junction
title_full	Monolithic Perovskite/Silicon-Heterojunction Tandem Solar Cells with Nanocrystalline Si/SiO<sub>x</sub> Tunnel Junction
title_fullStr	Monolithic Perovskite/Silicon-Heterojunction Tandem Solar Cells with Nanocrystalline Si/SiO<sub>x</sub> Tunnel Junction
title_full_unstemmed	Monolithic Perovskite/Silicon-Heterojunction Tandem Solar Cells with Nanocrystalline Si/SiO<sub>x</sub> Tunnel Junction
title_sort	monolithic perovskite/silicon-heterojunction tandem solar cells with nanocrystalline si/sio<sub>x</sub> tunnel junction
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/1e79f73d6ab542fd9641c477143c5d5e
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Monolithic Perovskite/Silicon-Heterojunction Tandem Solar Cells with Nanocrystalline Si/SiO<sub>x</sub> Tunnel Junction

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