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Issue 48, 2020, Issue in Progress
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Hybrid approach to obtain high-quality BaMO3 perovskite nanocrystals

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Abstract

A novel hybrid solvothermal approach for perovskite nanocrystal formation via accurate control of the hydrolytic process is reported. This new synthetic methodology sets a whole general route to successfully tune the sizes of high-quality BaMO3 (M = Ti4+, Zr4+, and Hf4+) perovskite nanocrystals. Purely cubic-phase nanocrystals (stable in alcohol media) were obtained using controlled water amounts, combining the well-known aqueous sol–gel process with the classic solvothermal method. Exhaustive optimizations revealed feasibility of a fast (1 hour) and reproducible synthesis with small variations in the crystal size or agglomeration parameters. The study also reveals water content as the pivotal factor to achieve this wide range of sizes through a controlled hydrolytic step. Finally, the study of the hydrolytic process made it possible to shed some light on mechanistic insights of this synthetic route.

Graphical abstract: Hybrid approach to obtain high-quality BaMO3 perovskite nanocrystals

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Supplementary files

Article information


Submitted
29 Apr 2020
Accepted
21 Jul 2020
First published
05 Aug 2020

This article is Open Access

RSC Adv., 2020,10, 28872-28878
Article type
Paper

Hybrid approach to obtain high-quality BaMO3 perovskite nanocrystals

N. Chamorro, J. Martínez-Esaín, T. Puig, X. Obradors, J. Ros, R. Yáñez and S. Ricart, RSC Adv., 2020, 10, 28872
DOI: 10.1039/D0RA03861J

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