Host–Guest Complexation in Wide Bandgap Perovskite Solar Cells

Parnian Ferdowsi; Gianluca Bravetti; Moritz C. Schmidt; Efrain Ochoa-Martinez; Shanti Bijani; Aurora Rizzo; Silvia Colella; Ullrich Steiner; Bruno Ehrler; Dominik J. Kubicki; Jovana V. Milić

doi:10.1002/solr.202300655

Host–Guest Complexation in Wide Bandgap Perovskite Solar Cells

Parnian Ferdowsi^*, Gianluca Bravetti, Moritz C. Schmidt, Efrain Ochoa-Martinez, Shanti Bijani, Aurora Rizzo, Silvia Colella, Ullrich Steiner, Bruno Ehrler, Dominik J. Kubicki, Jovana V. Milić^*

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

Wide-bandgap hybrid halide perovskites are increasingly relevant in the fabrication of tandem solar cells. However, their efficiency and stability during operation are still limited by several factors, among which ion migration at the interface with charge-selective extraction layers is one of the most detrimental ones. Herein, a host–guest complexation strategy is employed to control interfacial ion migration by using dibenzo-21-crown-7 in wide-bandgap hybrid halide perovskites based on methylammonium lead bromide. The capacity of the crown ether is demonstrated that affect the performances and stabilities of MAPbBr₃ solar cells. As a result, power conversion efficiencies of up to 5.9% are achieved with an open circuit voltage as high as 1.5 V, which is accompanied by stability over 300 h at 85 °C under nitrogen atmosphere, as well as more than 300 h at ambient temperature, maintaining ∼80% of initial performance. This provides a versatile strategy for wide-bandgap photovoltaic devices.

Original language	English
Article number	2300655
Number of pages	9
Journal	Solar RRL
Volume	8
Issue number	1
Early online date	17 Oct 2023
DOIs	https://doi.org/10.1002/solr.202300655
Publication status	Published - Jan 2024

Bibliographical note

Funding Information:
P.F., U.S., and J.V.M. are grateful to the Adolphe Merkle Foundation and DFG‐SPP funding. J.V.M. acknowledges the support of Swiss National Science Foundation PRIMA grant no. 193174. The work of M.C.S. and B.E. was carried out at the research institute AMOLF as part of NWO and is part of a project that has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (grant agreement no. 947221). A.R. acknowledges the projects “Mission Innovation, IEMAP” founded by Ministero della Transizione Ecologica, MiTE (CUP B82C21001820001) and “New concepts, materials and technologies for the building integration of photovoltaics in a scenario of diffuse generation” (CANVAS) founded by Ministero della Transizione Ecologica (MiTe). S.C. acknowledges project Ricerca@Cnr PHOTOCAT (CUP B93C21000060006). The authors appreciate Dr. Mounir Mensi (EPFL) for his help with XPS measurements.

Publisher Copyright:
© 2023 The Authors. Solar RRL published by Wiley-VCH GmbH.

Keywords

host–guest complexation
hybrid perovskites
wide-bandgap semiconductors

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Cite this

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abstract = "Wide-bandgap hybrid halide perovskites are increasingly relevant in the fabrication of tandem solar cells. However, their efficiency and stability during operation are still limited by several factors, among which ion migration at the interface with charge-selective extraction layers is one of the most detrimental ones. Herein, a host–guest complexation strategy is employed to control interfacial ion migration by using dibenzo-21-crown-7 in wide-bandgap hybrid halide perovskites based on methylammonium lead bromide. The capacity of the crown ether is demonstrated that affect the performances and stabilities of MAPbBr3 solar cells. As a result, power conversion efficiencies of up to 5.9% are achieved with an open circuit voltage as high as 1.5 V, which is accompanied by stability over 300 h at 85 °C under nitrogen atmosphere, as well as more than 300 h at ambient temperature, maintaining ∼80% of initial performance. This provides a versatile strategy for wide-bandgap photovoltaic devices.",

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note = "Funding Information: P.F., U.S., and J.V.M. are grateful to the Adolphe Merkle Foundation and DFG‐SPP funding. J.V.M. acknowledges the support of Swiss National Science Foundation PRIMA grant no. 193174. The work of M.C.S. and B.E. was carried out at the research institute AMOLF as part of NWO and is part of a project that has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (grant agreement no. 947221). A.R. acknowledges the projects “Mission Innovation, IEMAP” founded by Ministero della Transizione Ecologica, MiTE (CUP B82C21001820001) and “New concepts, materials and technologies for the building integration of photovoltaics in a scenario of diffuse generation” (CANVAS) founded by Ministero della Transizione Ecologica (MiTe). S.C. acknowledges project Ricerca@Cnr PHOTOCAT (CUP B93C21000060006). The authors appreciate Dr. Mounir Mensi (EPFL) for his help with XPS measurements. Publisher Copyright: {\textcopyright} 2023 The Authors. Solar RRL published by Wiley-VCH GmbH.",

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AU - Ferdowsi, Parnian

AU - Bravetti, Gianluca

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AU - Bijani, Shanti

AU - Rizzo, Aurora

AU - Colella, Silvia

AU - Steiner, Ullrich

AU - Ehrler, Bruno

AU - Kubicki, Dominik J.

AU - Milić, Jovana V.

N1 - Funding Information: P.F., U.S., and J.V.M. are grateful to the Adolphe Merkle Foundation and DFG‐SPP funding. J.V.M. acknowledges the support of Swiss National Science Foundation PRIMA grant no. 193174. The work of M.C.S. and B.E. was carried out at the research institute AMOLF as part of NWO and is part of a project that has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (grant agreement no. 947221). A.R. acknowledges the projects “Mission Innovation, IEMAP” founded by Ministero della Transizione Ecologica, MiTE (CUP B82C21001820001) and “New concepts, materials and technologies for the building integration of photovoltaics in a scenario of diffuse generation” (CANVAS) founded by Ministero della Transizione Ecologica (MiTe). S.C. acknowledges project Ricerca@Cnr PHOTOCAT (CUP B93C21000060006). The authors appreciate Dr. Mounir Mensi (EPFL) for his help with XPS measurements. Publisher Copyright: © 2023 The Authors. Solar RRL published by Wiley-VCH GmbH.

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N2 - Wide-bandgap hybrid halide perovskites are increasingly relevant in the fabrication of tandem solar cells. However, their efficiency and stability during operation are still limited by several factors, among which ion migration at the interface with charge-selective extraction layers is one of the most detrimental ones. Herein, a host–guest complexation strategy is employed to control interfacial ion migration by using dibenzo-21-crown-7 in wide-bandgap hybrid halide perovskites based on methylammonium lead bromide. The capacity of the crown ether is demonstrated that affect the performances and stabilities of MAPbBr3 solar cells. As a result, power conversion efficiencies of up to 5.9% are achieved with an open circuit voltage as high as 1.5 V, which is accompanied by stability over 300 h at 85 °C under nitrogen atmosphere, as well as more than 300 h at ambient temperature, maintaining ∼80% of initial performance. This provides a versatile strategy for wide-bandgap photovoltaic devices.

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Host–Guest Complexation in Wide Bandgap Perovskite Solar Cells

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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