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Issue 14, 2010
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Experimental visualization of covalent bonds and structural disorder in a gallium zinc oxynitride photocatalyst (Ga1−xZnx)(N1−xOx): origin of visible light absorption

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Abstract

We present the experimental visualization of covalent bonding, positional disorders and split anion sites in visible-light responsive photocatalyst (Ga0.885Zn0.115)(N0.885O0.115). ZnO alloying into GaN reduces the band gap, leading to the visible-light response. DFT calculations indicated no significant difference in band gap between structural models with and without split sites.

Graphical abstract: Experimental visualization of covalent bonds and structural disorder in a gallium zinc oxynitride photocatalyst (Ga1−xZnx)(N1−xOx): origin of visible light absorption

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Article information


Submitted
21 Oct 2009
Accepted
16 Feb 2010
First published
05 Mar 2010

Chem. Commun., 2010,46, 2379-2381
Article type
Communication

Experimental visualization of covalent bonds and structural disorder in a gallium zinc oxynitride photocatalyst (Ga1−xZnx)(N1−xOx): origin of visible light absorption

M. Yashima, H. Yamada, K. Maeda and K. Domen, Chem. Commun., 2010, 46, 2379
DOI: 10.1039/B922008A

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