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The Beginning and the Future Prospect of Colloidal Double Halide Perovskite Nanocrystals: Cs2AgBiX6 (X = Cl, Br, I)

Abstract

Lead halide perovskites is a sensational class of optoelectronic materials of recent times. But it suffers from the problems of lead-toxicity and poor thermal stability of organic-inorganic hybrid systems. In this regard, a variety of lead-free metal halide double perovskite (DP) systems are being explored now as potential lead-free perovskite optoelectronics. In these DPs, Pb2+ ions are replaced by equal proportions of mono-valent and tri-valent metal ions. In early 2018, colloidal nanocrystals (NCs) of Cs2AgBiX6 (X = Cl, Br, I) DPs were reported, and in a quick succession, multiple groups have reported about synthesis, stabilizing unusual phases, optical properties, and photocatalytic applications of DP NCs. To the best of our knowledge, the present highlight is the first review-type article on DP NCs. So here we first summarize the progress made in the field so far, and then discuss the potential future directions of DP NCs comparing with their bulk counterpart.

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Publication details

The article was received on 26 Jun 2018, accepted on 02 Aug 2018 and first published on 02 Aug 2018


Article type: Highlight
DOI: 10.1039/C8TA06126B
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
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    The Beginning and the Future Prospect of Colloidal Double Halide Perovskite Nanocrystals: Cs2AgBiX6 (X = Cl, Br, I)

    V. K. K. RAVI, N. Singhal and A. Nag, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C8TA06126B

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