Abstract
Ceria nanoparticles (nanoceria) are well known as a superoxide scavenger. However, inherent superoxide‐scavenging ability has only been found in the nanoceria with sizes of less than 5 nm and with very limited shape diversity. Reported herein is a strategy to significantly improve the superoxide‐scavenging activity of nanoceria sized at greater than 5 nm. The nanoceria with sizes of greater than 5 nm, with different shapes, and with a negligible Ce3+/Ce4+ ratio can acquire remarkable superoxide‐scavenging abilities through electron transfer. This method will make it possible to develop nanoceria‐based superoxide‐scavengers with long‐acting activity and tailorable characteristics.
Original language | English |
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Pages (from-to) | 1832-1835 |
Number of pages | 4 |
Journal | Angewandte Chemie - International Edition |
Volume | 54 |
Issue number | 6 |
Early online date | 16 Dec 2014 |
DOIs | |
Publication status | Published - 2 Feb 2015 |
Keywords
- cerium
- electron transfer
- nanoparticles
- oxides
- surface chemistry