Comparison of extra electrons in colloidal n-type Al3+-doped and photochemically reduced ZnO nanocrystals

Alina M. Schimpf; Stefan T. Ochsenbein; Raffaella Buonsanti; Delia J. Milliron; Daniel R. Gamelin

doi:10.1039/C2CC34635D

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Comparison of extra electrons in colloidal n-type Al³⁺-doped and photochemically reduced ZnO nanocrystals†

Alina M. Schimpf,^a Stefan T. Ochsenbein,‡^a Raffaella Buonsanti,^b Delia J. Milliron*^b and Daniel R. Gamelin*^a

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* Corresponding authors

^a Department of Chemistry, University of Washington, Seattle, USA
E-mail: gamelin@chem.washington.edu

^b The Molecular Foundry, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, MS 67R4110, Berkeley, USA
E-mail: dmilliron@lbl.gov

Abstract

The “extra” electrons in colloidal n-type ZnO nanocrystals formed by aliovalent doping and photochemical reduction are compared. Whereas the two are similar spectroscopically, they show very different electron-transfer reactivities, attributable to their different charge-compensating cations (Al³⁺vs. H⁺).

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Article information

DOI: https://doi.org/10.1039/C2CC34635D
Article type: Communication
Submitted: 28 Jun 2012
Accepted: 27 Jul 2012
First published: 02 Aug 2012

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Chem. Commun., 2012,48, 9352-9354

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Comparison of extra electrons in colloidal n-type Al³⁺-doped and photochemically reduced ZnO nanocrystals

A. M. Schimpf, S. T. Ochsenbein, R. Buonsanti, D. J. Milliron and D. R. Gamelin, Chem. Commun., 2012, 48, 9352 DOI: 10.1039/C2CC34635D

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