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Issue 13, 2020
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Engineered defects in cerium oxides: tuning chemical reactivity for biomedical, environmental, & energy applications

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Abstract

Nanocrystalline cerium oxide (nanoceria) is a rare earth oxide with a complex surface chemistry. This material has seen substantial investigation in recent years in both fundamental and applied studies due largely to more precise characterization of the unique surface structures, which mediate its pronounced redox activity. In particular, oxygen storage/buffering capacities have been thoroughly correlated with synthesis and processing condition effects on other material features such as surface (micro-) faceting, reconstruction, and (extent of) hydration. Key material features such as these modulate nanoceria redox performance by changing the crystal microenvironment. In this review, we present nanoengineering methods, which have produced increased nanoceria performance in biomedical, energy, and catalysis applications. The impact of combined/cooperative theoretical and experimental studies are highlighted throughout.

Graphical abstract: Engineered defects in cerium oxides: tuning chemical reactivity for biomedical, environmental, & energy applications

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Article information


Submitted
12 Feb 2020
Accepted
02 Mar 2020
First published
03 Mar 2020

Nanoscale, 2020,12, 6879-6899
Article type
Review Article

Engineered defects in cerium oxides: tuning chemical reactivity for biomedical, environmental, & energy applications

S. Seal, A. Jeyaranjan, C. J. Neal, U. Kumar, T. S. Sakthivel and D. C. Sayle, Nanoscale, 2020, 12, 6879
DOI: 10.1039/D0NR01203C

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