Issue 58, 2016

Electron trapping on Fe3+ sites in photodoped ZnO colloidal nanocrystals

Abstract

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.

Graphical abstract: Electron trapping on Fe3+ sites in photodoped ZnO colloidal nanocrystals

Supplementary files

Article information

Article type
Communication
Submitted
18 jan 2016
Accepted
02 mar 2016
First published
07 mar 2016

Chem. Commun., 2016,52, 9101-9104

Electron trapping on Fe3+ sites in photodoped ZnO colloidal nanocrystals

D. Zhou and K. R. Kittilstved, Chem. Commun., 2016, 52, 9101 DOI: 10.1039/C6CC00514D

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