Microfluidic synthesis of monodisperse and size-tunable CsPbBr3 supraparticles

Julia Nette; Federico Montanarella; Chenglian Zhu; Taras V. Sekh; Simon C. Boehme; Maryna I. Bodnarchuk; Gabriele Rainò; Philip D. Howes; Maksym V. Kovalenko; Andrew J. deMello

doi:10.1039/D3CC00093A

Microfluidic synthesis of monodisperse and size-tunable CsPbBr₃ supraparticles†

Julia Nette,^a Federico Montanarella,^bc Chenglian Zhu,^bc Taras V. Sekh,^bc Simon C. Boehme,

^bc Maryna I. Bodnarchuk,^bc Gabriele Rainò,^bc Philip D. Howes,

^d Maksym V. Kovalenko

^bc and Andrew J. deMello

*^a

Author affiliations

* Corresponding authors

^a Institute of Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich 8093, Switzerland
E-mail: andrew.demello@chem.ethz.ch

^b Institute of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich 8093, Switzerland

^c Laboratory for Thin Films and Photovoltaics, Empa – Swiss Federal Laboratories for Materials Science and Technology, Dübendorf CH-8600, Switzerland

^d Division of Mechanical Engineering and Design, London South Bank University, 103 Borough Road, London SE1 0AA, UK

Abstract

The highly controlled, microfluidic template-assisted self-assembly of CsPbBr₃ nanocrystals into spherical supraparticles is presented, achieving precise control over average supraparticle size through the variation of nanocrystal concentration and droplet size; thus facilitating the synthesis of highly monodisperse, sub-micron supraparticles (with diameters between 280 and 700 nm).

This article is part of the themed collection: Chemical Communications HOT Articles 2023

Chemical Communications

Microfluidic synthesis of monodisperse and size-tunable CsPbBr₃ supraparticles†

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Microfluidic synthesis of monodisperse and size-tunable CsPbBr₃ supraparticles

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