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Photovoltaic Effect of a Ferroelectric-Luminescent Heterostructure under Infrared Light Illumination

Mai, Haoxin; Lu, Teng; Li, Qian; Sun, Qingbo; Vu, Khu; Chen, Hua; Wang, Genmiao; Humphrey, Mark; Kremer, Felipe; Li, Li (Lily); Withers, Raymond; Liu, Yun


In this report, a ferroelectric-luminescent heterostructure is designed to convert infrared light into electric power. We use BiFeO3 (BFO) as the ferroelectric layer and Y2O3:Yb,Tm (YOT) as the upconversion layer. Different from conventional ferroelectric materials, this heterostructure exhibits switchable and stable photovoltaic effects under 980 nm illumination, whose energy is much lower than the band gap of BFO. The energy transfer mechanism in this heterostructure is therefore studied...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: ACS Applied Materials and Interfaces
DOI: 10.1021/acsami.8b09745
Access Rights: Open Access


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