Low temperature synthesis and characterization of single phase multi-component fluorite oxide nanoparticle sols
- PMID:35528557
- PMCID: PMC9070433
- DOI: 10.1039/c9ra04636d
Low temperature synthesis and characterization of single phase multi-component fluorite oxide nanoparticle sols
Abstract
We report for the first time a simple, scalable approach for the synthesis of single-phase multi-component fluorite oxide nanoparticle sols: Gd0.2La0.2Y0.2Hf0.2Zr0.2O2 (GLYHZ) and Gd0.2La0.2Ce0.2Hf0.2Zr0.2O2 (GLCHZ) using chemical co-precipitation followed by peptization in acidic medium under mild conditions (≤80 °C). High resolution transmission electron microscopy (HRTEM) along with selected area electron diffraction (SAED) studies confirm fully crystalline single-phase cubic fluorite nanoparticles having a particle size of about 2-3 nm with a narrow size distribution was obtained. The powder X-ray diffraction (XRD) and Rietveld refinement studies of samples calcined at 500 °C for 4 hours confirm a single phase solid solution and a lack of secondary phases.
This journal is © The Royal Society of Chemistry.
Conflict of interest statement
There are no conflicts to declare.
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