Journal
CHEMICAL COMMUNICATIONS
Volume 52, Issue 58, Pages 9101-9104Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc00514d
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Funding
- startup funds (University of Massachusetts Amherst)
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The effects of photodoping on the electronic structure of Fe3+-doped ZnO colloidal nanocrystals are presented. We observe disappearance of the spectroscopic signatures attributed to both substitutional Fe3+ and interstitial Fe3+ in the ZnO host as a function of photodoping time, which precede the appearance of the well-known localized surface plasmon resonance from conduction band electrons in ZnO nanocrystals. These results suggest that the oxidation state of Fe3+ defects can be reversibly switched in ZnO nanocrystals.
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