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Wide‐Gap Perovskites for Indoor Photovoltaics

Gregory Burwell Orcid Logo, Stefan Zeiske, Pietro Caprioglio Orcid Logo, Oskar Sandberg Orcid Logo, Austin Kay, Michael D. Farrar, Yong Kim, Henry J. Snaith Orcid Logo, Paul Meredith Orcid Logo, Ardalan Armin

Solar RRL

Swansea University Authors: Gregory Burwell Orcid Logo, Stefan Zeiske, Oskar Sandberg Orcid Logo, Austin Kay, Yong Kim, Paul Meredith Orcid Logo, Ardalan Armin

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DOI (Published version): 10.1002/solr.202400180

Abstract

Organic–inorganic halide perovskite semiconductors have revolutionized next-generation photovoltaics (PV) due to several characteristics such as solution-processability, gap tunability, and excellent charge generation and transport properties. This has made them very adaptable for various applicatio...

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Published in: Solar RRL
ISSN: 2367-198X 2367-198X
Published: Wiley 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa66571
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Abstract: Organic–inorganic halide perovskite semiconductors have revolutionized next-generation photovoltaics (PV) due to several characteristics such as solution-processability, gap tunability, and excellent charge generation and transport properties. This has made them very adaptable for various applications in light harvesting and photodetection. One such rapidly growing application is indoor photovoltaics (IPV) which have the potential to power standalone Internet of Things devices. IPV requires wider optimal bandgaps than solar cells (1.8 vs 1.3 eV) due to the differences between the spectra of artificial lights versus solar radiation. For IPV applications, the active layer wide-gap perovskite must be developed systemically considering all other components of the device, such as interlayers, electrodes, and scaling. This perspective provides an overview of the potential and challenges facing perovskite-based IPV from a theoretical, material, and experimental perspective. Furthermore, accurate characterization of perovskite IPVs under simulated indoor conditions is discussed and candidate perovskite PV (PPV) systems are presented to provide insight into IPV development. These include IPV-optimized formamidinium cesium-based perovskite, wide-gap p-i-n devices, and 2D perovskite devices, tested under spectrophotometrically calibrated LED illumination at various indoor-relevant illuminances and benchmarked against thermodynamic predictions. Finally, strategies required to create stable, optimized PPV devices for indoor applications are discussed.
Keywords: ambient photovoltaics; indoor photovoltaics; perovskite photovoltaics; testing
College: Faculty of Science and Engineering
Funders: Engineering and Physical Sciences Research Council. Grant Number: EP/T028513/1; UK Research and Innovation. Grant Number: Research Partnership Investment Fund