Issue 10, 2011

Electronic structure and optical properties of monoclinic clinobisvanite BiVO4

Abstract

Monoclinic clinobisvanite bismuth vanadate is an important material with wide applications. However, its electronic structure and optical properties are still not thoroughly understood. Density functional theory calculations were adopted in the present work, to comprehend the band structure, density of states, and projected wave function of BiVO4. In particular, we put more emphasis upon the intrinsic relationship between its structure and properties. Based on the calculated results, its molecular-orbital bonding structure was proposed. And a significant phenomenon of optical anisotropy was observed in the visible-light region. Furthermore, it was found that its slightly distorted crystal structure enhances the lone-pair impact of Bi 6s states, leading to the special optical properties and excellent photocatalytic activities.

Graphical abstract: Electronic structure and optical properties of monoclinic clinobisvanite BiVO4

Article information

Article type
Paper
Submitted
20 Sep 2010
Accepted
22 Dec 2010
First published
31 Jan 2011

Phys. Chem. Chem. Phys., 2011,13, 4746-4753

Electronic structure and optical properties of monoclinic clinobisvanite BiVO4

Z. Zhao, Z. Li and Z. Zou, Phys. Chem. Chem. Phys., 2011, 13, 4746 DOI: 10.1039/C0CP01871F

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