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To nano or not to nano for bright halide perovskite emitters

Nature Nanotechnology volume 16, pages 1164–1168 (2021)Cite this article

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The halide perovskite family has, arguably, become today’s most promising emerging materials sets for optoelectronic applications. Here, we discuss the underperformance to date of the colloidal nanocrystal forms of these materials when employed in electroluminescent lighting devices relative to their counterparts, in which the emitter layer is in the form of polycrystalline films. However, we highlight the bright future of halide perovskite colloidal nanocrystals in light-emission technologies such as LCD displays, quantum light sources and even alternative LED configurations, as well as key guidelines for their further development to get there.

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Fig. 1: Unique opportunities offered by halide perovskite c-NCs.
Fig. 2: Halide perovskite c-NC quantum light sources.

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Acknowledgements

G.R. acknowledges M. Bodnarchuk for helpful discussions and support in the preparation of Fig. 2. G.R. acknowledges funding from the Swiss National Science Foundation (grant no. 200021_192308). M.V.K. acknowledges funding from the Air Force Office of Scientific Research under award number FA8655-21-1-7013. The work received funding from the European Research Council (ERC; grant agreement no. 756962 (HYPERION)) under the European Union’s Horizon 2020 research and innovation programme. S.D.S acknowledges support from the Royal Society and Tata Group (UF150033) and the Engineering and Physical Sciences Research Council (EPSRC, EP/R023980/1 and EP/S030638/1).

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Authors and Affiliations

  1. Cavendish Laboratory, University of Cambridge, Cambridge, UK

    Javad Shamsi & Samuel D. Stranks

  2. Empa - Swiss Federal Laboratories for Materials Science and Technology, Dübendorf, Switzerland

    Gabriele Rainò & Maksym V. Kovalenko

  3. Institute of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich, Switzerland

    Gabriele Rainò & Maksym V. Kovalenko

  4. Department of Chemical Engineering & Biotechnology, University of Cambridge, Cambridge, UK

    Samuel D. Stranks

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  1. Javad Shamsi
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  2. Gabriele Rainò
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  4. Samuel D. Stranks
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Correspondence to Samuel D. Stranks.

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Peer review information Nature Nanotechnology thanks the anonymous reviewers for their contribution to the peer review of this work.

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Shamsi, J., Rainò, G., Kovalenko, M.V. et al. To nano or not to nano for bright halide perovskite emitters. Nat. Nanotechnol. 16, 1164–1168 (2021). https://doi.org/10.1038/s41565-021-01005-z

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