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Anomalous Photovoltaic Effect in Centrosymmetric Ferroelastic BiVO4

Liu, Xitao; Zhang, Faqiang; Long, Peiqing; Lu, Teng; Zeng, Huarong; Liu, Yun; Withers, Ray; Li, Yongxiang; Yi, Zhiguo


The anomolous photovoltaic (APV) effect is an intriguing phenomenon and rarely observed in bulk materials that structurally have an inversion symmetry. Here, the discovery of such an APV effect in a centrosymmetric vanadate, BiVO4, where noticeable above‐bandgap photovoltage and a steady‐state photocurrent are observed in both ceramics and single crystals even when illuminated under visible light, is reported. Moreover, the photovoltaic voltage can be reversed by the stress modulation, and a...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Advanced Materials
DOI: 10.1002/adma.201801619
Access Rights: Open Access


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