Self-powered visible light photodetector based on BixFeO3 film
Source abstract
Abstract
Abstract In this study, the self-powered photodetector based on photovoltaic effect was obtained from BixFeO3 (x = 1, 1.3, 1.5, 1.7) films. In order to study the origin of the photovoltaic effect, the self-polarized structure and defect distribution of the films were characterized by x-ray diffraction, x-ray photoelectron spectroscopy, and piezoelectric force microscopy. In addition, the responsivity (1515 μA/W) and detectivity (1.35Χ1011 Jones) are achieved in the Bi1.5FeO3 film at zero bias after receiving 0.2 mW/cm2 of irradiation light in the wavelength of 500 nm. The rise and decay time of the photocurrent without bias reaches ∼6 ms and ∼15 ms respectively, and did not weaken after a 11 min cycling test. The self-polarized structure and defect dipoles play an important role in the photovoltaic effect of BixFeO3 self-powered photodetector. This work lays a foundation for applications in BixFeO3 self-powered photodetection.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Multiferroics and related materials · Transition Metal Oxide Nanomaterials · Ferroelectric and Piezoelectric Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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