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Nanostructured perovskite solar cells

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Calum McDonald, Chengsheng Ni, Paul Maguire, Paul Connor, John T. S. Irvine, Davide Mariotti, Vladimir Svrcek

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Abstract

Over the past decade, lead halide perovskites have emerged as one of the leading photovoltaic materials due to their long carrier lifetimes, high absorption coefficients, high tolerance to defects, and facile processing methods. With a bandgap of ~1.6 eV, lead halide perovskite solar cells have achieved power conversion efficiencies in excess of 25%. Despite this, poor material stability along with lead contamination remains a significant barrier to commercialization. Recently, low-dimensional perovskites, where at least one of the structural dimensions is measured on the nanoscale, have demonstrated significantly higher stabilities, and although their power conversion efficiencies are slightly lower, these materials also open up the possibility of quantum-confinement effects such as carrier multiplication. Furthermore, both bulk perovskites and low-dimensional perovskites have been demonstrated to form hybrids with silicon nanocrystals, where numerous device architectures can be exploited to improve efficiency. In this review, we provide an overview of perovskite solar cells, and report the current progress in nanoscale perovskites, such as low- dimensional perovskites, perovskite quantum dots, and perovskite-nanocrystal hybrid solar cells.
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Original languageEnglish
Article number1481
Number of pages28
JournalNanomaterials
Volume9
Issue number10
DOIs
Publication statusPublished - 18 Oct 2019

    Research areas

  • Solar cells, Perovskites, Perovskite nanocrystals, Perovskite quantum dots, Low-dimensional perovskites, Nanocrystal solar cells, Organis-inorganic hybrid solar cells, Lead halide solar cells, Hybrid solar crystals

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