Photovoltaic Properties of Multiferroic BiFeO3 /BiCrO3 Heterostructures
作者： Joyprokash Chakrabartty , Riad Nechache , Shun Li , Mischa Nicklaus , Andreaus Ruediger
DOI: 10.1111/JACE.12837
关键词: Energy conversion efficiency 、 Heterojunction 、 Photocurrent 、 Materials science 、 Optoelectronics 、 Thin film 、 Pulsed laser deposition 、 Epitaxy 、 Ferroelectricity 、 Polarization (electrochemistry) 、 Materials Chemistry 、 Ceramics and Composites
摘要: We report a power conversion efficiency of ~0.01% in multistacking BiFeO3/BiCrO3 bilayer thin films used as active layers photovoltaic (PV) device. The were epitaxially deposited by pulse laser deposition onto (100) oriented CaRuO3-coated LaAlO3 substrates and subsequently illuminated with 1 sun (AM 1.5). fill factor is determined to be 0.31%, remarkable value for ferroelectric- multiferroic-based PV devices. Our results demonstrate that photocurrent density photovoltage can tuned varying the thickness number respective bilayers improvement properties multiferroic heterostructures. maximum generated at an optimal multilayer 60 nm, its origin being mainly ascribed contribution ferroelectric polarization.
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