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Issue 2, 2017
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Color-stable water-dispersed cesium lead halide perovskite nanocrystals

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Abstract

Cesium lead halide perovskite nanocrystals are being lately explored for optoelectronic applications due to their emission tunability, high photoluminescence quantum yields, and narrow emission bands. Nevertheless, their incompatibility with polar solvents and composition homogenization driven by a fast anion-exchange are still important drawbacks to overcome. Herein we report on a successful encapsulation of colloidal perovskite nanocrystals within solid–lipid structures mainly consisting of stearic acid. The product is water-stable for a period longer than 2 months and anion-exchange is fully arrested when mixing nanocrystals of different halide compositions. This strategy boosts the potential applications of all-inorganic perovskite nanocrystals for ink-printing.

Graphical abstract: Color-stable water-dispersed cesium lead halide perovskite nanocrystals

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Publication details

The article was received on 14 Nov 2016, accepted on 22 Nov 2016 and first published on 24 Nov 2016


Article type: Paper
DOI: 10.1039/C6NR08892A
Citation: Nanoscale, 2017,9, 631-636
  • Open access: Creative Commons BY-NC license
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    Color-stable water-dispersed cesium lead halide perovskite nanocrystals

    L. Gomez, C. de Weerd, J. L. Hueso and T. Gregorkiewicz, Nanoscale, 2017, 9, 631
    DOI: 10.1039/C6NR08892A

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