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
08 ربيع الثاني 1437
Accepted
22 جمادى الأولى 1437
First published
27 جمادى الأولى 1437

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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