Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 742, Issue -, Pages 351-355Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2018.01.270
Keywords
Ferroelectric; Photovoltaic effects; Ferroelectric polarization modulation; Ferromagnetic; BiFeO3 thin films
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Funding
- National Natural Science Foundation of China [21731001, 21590793]
- Changjiang Young Scholars Award
- National Program for Support of Top-notch Young Professionals
- Fundamental Research Funds for the Central Universities, China [FRF-TP-17-001B, 06109093]
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To settle the growing energy crisis, photovoltaic, as the renewable solar energy, based on ferroelectric oxides has recently attracted significant attention for the breakthrough in photovoltaic application. Herein, we deposited the ferroelectric Bi0.925Sm0.075Fe0.95Co0.05O3 (BSFC) thin films on FTO glass substrates along with uniform microstructure and multi-orientation polycrystalline. The BSFC thin films possess good ferroelectric properties with a standard hysteresis loop attributed to Co-substitution. Intriguingly, an enhancement of both photocurrent (90.4%) and photovoltage (40.0%) in BSFC thin films has been observed, indicating that the ferroelectric polarization plays an important role in the bulk effect of ferroelectric photovoltaic. Furthermore, the Co-substitution induced an increasing trend in saturation magnetization of 6.2 emu/cm(3) in BSFC thin films. The enhancement of the multiferroics and photovoltaic properties facilitates its applications of energy conversion and information storage. (c) 2018 Elsevier B.V. All rights reserved.
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