The photovoltaic effect in epitaxial BFO thin films is studied and an open-circuit voltage Voc of 0.3 V is obtained, demonstrating that photocurrent direction can be switched by the polarization direction of the BFO film and that the ferroelectric polarization is the main driving force of the observed photov Holtaic effect.
Contact online >>
May 10, 2011· Current-voltage hysteresis and switchable rectifying characteristics have been observed in epitaxial multiferroic BiFeO3 (BFO) thin films. The forward direction of the rectifying current can be
ther words, the depolarization field weakens with increasing film thickness. According to the bulk photovoltaic (BPV) effect, on the contrary, Voc increases with the film thickness (or with the
Nov 21, 2023· The photovoltaic (PV) effect in ferroelectric (FE) materials has been known for many decades, but only a limited number of studies are available in the literature. Due to ever-increasing global concern of environmental degradation from conventional energy sources, the research for clean and sustainable energy has been directed to some extent to
Sep 1, 2022· Herein, both the positive and negative thermal expansion effects in composite ferroelectric epitaxial films are investigated by use of high-repetition-rate ultrafast X-ray diffraction, along with
Mar 30, 2015· Download Citation | Abnormal capacitance–voltage and switchable photovoltaic effect of epitaxial Mn -doped BiFeO 3 thin film capacitor | Epitaxial BiFe0.95Mn0.05O3 (BFMO) film was deposited on
These theories all explain that excellent ferroelectric polarization is an important way to enhance the performance of ferroelectric photovoltaics. In addition, the wide bandgap of ferroelectric materials, leading to low absorbance and small photocurrent, has hindered the development of ferroelectric photovoltaics.
Dec 30, 2022· The proposal of the ferroelectric photovoltaic effect provides a spick-and-span concept for breaking through the bottleneck of traditional heterojunction energy conversion
Sep 27, 2019· Earlier studies have demonstrated a switchable PV effect in BFO films in K. & Liang, Y. C. Bulk photovoltaic effect at visible wavelength in epitaxial ferroelectric BiFeO 3 thin films
Jan 1, 2022· An epitaxial route to strain Strain can have a dramatic effect on the properties of materials. Zhang et al. introduced a large strain in the material PbTiO 3 by growing it epitaxially in a
May 10, 2011· Current-voltage hysteresis and switchable rectifying characteristics have been observed in epitaxial multiferroic BiFeO 3 (BFO) thin films. The forward direction of the rectifying current can be reversed repeatedly with polarization switching, indicating a switchable diode effect and large ferroelectric resistive switching.
May 10, 2011· Current-voltage hysteresis and switchable rectifying characteristics have been observed in epitaxial multiferroic BiFeO3 (BFO) thin films. The forward direction of the rectifying current can be reversed repeatedly with polarization switching, indicating a switchable diode effect and large ferroelectric resistive switching. With analyzing the potential barriers and their
Jun 11, 2013· Ferroelectric RAM is considered a promising candidate on the quest for a universal memory, but the concept is still problem prone. Here, the authors use the ferroelectric photovoltaic effect as a
Feb 5, 2016· Switchable ferroelectric photovoltaic effects in epitaxial h-RFeO3 thin films. Hyeon Han Donghoon Kim +7 authors H. Jang. Physics, Materials Science. Nanoscale. The photovoltaic effect in epitaxial BFO thin films is studied and an open-circuit voltage Voc of 0.3 V is obtained, demonstrating that photocurrent direction can be switched by the
Jun 1, 2021· Anomalous photovoltaic effect and switchable photovoltaic output have propelled much recent research and development of ferroelectric photovoltaic (FE-PV) materials in solar cell, photodetection and optical-read nonvolatile memory fields.However, extremely small output photocurrent density in the order of nA/cm 2 or μA/cm 2 is the primary problem to limit
Here, we present a new class of FPVs by demonstrating switchable ferroelectric photovoltaic effects and narrow band-gap properties using hexagonal ferrite (h-RFeO 3) thin films, where R denotes rare-earth ions. FPVs with narrow band gaps suggest their potential applicability as
Jan 2, 2018· This study presents a promising FPV based on hexagonal YbFeO3 (h-YbFO) thin-film heterostructure by exploiting its narrow Eg and demonstrates enhanced FPV effects by suitably exploiting the substrate-induced film strain in these h-YBFO-based photovoltaics. Ferroelectric photovoltaics (FPVs) are being extensively investigated by virtue of switchable
Apr 25, 2018· The switchable photovoltaic effect would be ascribed to the reversible Schottky-to-Ohmic interfacial contacts modulated by polarization switching. Bulk photovoltaic effect at visible wavelength in epitaxial ferroelectric BiFeO 3 thin films. Adv. Mater., 22 (2010), p. 1763. Crossref View in Scopus Google Scholar [25]
Apr 7, 2014· Since then, a lot of studies have been carried out on the switchable ferroelectric diode and photovoltaic effects in epitaxial BFO thin films [9,11,[16][17] [18] [19][20]. In a Pt/BFO/SrRuO 3
Jun 1, 2022· This proposes a simple idea to enhance the switchable ferroelectric photovoltaic effect and provides a promising pathway for the development of photovoltaic devices. 2. Bulk photovoltaic effect at visible wavelength in epitaxial ferroelectric BiFeO 3 thin films. Adv. Mater., 22 (2010), pp. 1763-1766. Crossref View in Scopus Google Scholar
1 Switchable Ferroelectric Photovoltaic Effects in Epitaxial Thin Films of h-RFeO3 having Narrow Optical Band Gaps Hyeon Hana, Donghoon Kima, Ji Hyun Leea, Jucheol Parkb, Sang Yeol Namb,c, Mingi Choid, Kijung Yongd, and Hyun Myung Janga,* aDepartment of Materials Science and Engineering, and Division of Advanced Materials Science, Pohang University of Science
Semantic Scholar extracted view of "Switchable ferroelectric diode and photovoltaic effects in polycrystalline BiFeO3 thin films grown on transparent substrates" by Yong Zhou et al. The switchable photovoltaic effect in BiFeO3 thin films capacitors has been studied extensively. The photovoltaic effect in epitaxial BFO thin films is
Apr 26, 2019· The ferroelectric photovoltaic (PV) effect has gained widespread attention in the past decade 1,2,3,4,5 because of its promising applications in solar energy harvesting 6,7,8, self-powered
Dec 30, 2022· BiFeO 3 (BFO) (R3c, a pc = 3.96 Å, α pc = 89.4°, Fig. 1a) is a room temperature multiferroic and photoelectric material due to preeminent ferroelectric properties and a relatively narrow bandgap [10]. The enhanced ferroelectric of BFO has been carried out in some approaches, such as the epitaxial strain from SrTiO 3 [11] and LaAlO 3 [12] substrates, and the
Jul 13, 2018· A new class of FPVs towards high-efficiency solar cell and optoelectronic applications is presented by demonstrating switchable ferroelectric photovoltaic effects and
COMMUNICATION Bulk Photovoltaic Effect at Visible Wavelength in Epitaxial Ferroelectric BiFeO3 Thin Films By Wei Ji, Kui Yao,* and Yung C. Liang While silicon-based diodes have been the dominant solar cell type, novel photovoltaic mechanisms[1,2] are being explored in pursuit of lower cost or improved efficiency.
DOI: 10.2139/ssrn.4116178 Corpus ID: 249170966; Switchable Ferroelectric Photovoltaic in the Low Bandgap Cobalt-Substituted Bifeo3 Epitaxial Thin Films @article{Ding2022SwitchableFP, title={Switchable Ferroelectric Photovoltaic in the Low Bandgap Cobalt-Substituted Bifeo3 Epitaxial Thin Films}, author={J.-C. Ding and Ruiqi Guo and Jingcong Hu and Guoqiang Xi
The discovery of photovoltaic effect in ferroelectric materials can be traced back to more than 50 years ago (1 – 3). In contrast to classical semiconductor solar cells, photoexcited carriers in ferroelectric materials are spontaneously separated due to the inversion symmetry breaking.
Jun 13, 2013· The diode and photovoltaic effects of BiFeO 3 and Bi 0.9 Sr 0.1 FeO 3−δ polycrystalline thin films were investigated by poling the films with increased magnitude and alternating direction. It was found that both electromigration of oxygen vacancies and polarization flipping are able to induce switchable diode and photovoltaic effects.
Nov 9, 2017· Here, we present a new class of FPVs by demonstrating switchable ferroelectric photovoltaic effects using hexagonal ferrite (h-RFeO3) thin films having narrow band gaps of
May 11, 2017· A polycrystalline BiFeO3 film on Pt/Ti/SiO2/Si was fabricated using the spin coating technique. The film shows diode-like characteristics with and without poling measured under dark conditions. However, it exhibits a switchable photovoltaic effect with light illumination under poled conditions. The measured photovoltaic effect revealed an open circuit voltage of
COMMUNICATION Bulk Photovoltaic Effect at Visible Wavelength in Epitaxial Ferroelectric BiFeO3 Thin Films By Wei Ji, Kui Yao,* and Yung C. Liang While silicon-based diodes have been the
Supplementary Information Switchable Ferroelectric Photovoltaic Effects in Epitaxial h-RFeO 3 Thin Films Hyeon Han,a Donghoon Kim,a Sangmin Chae,b Jucheol Park,c Sang Yeol Nam,c,d Mingi Choi,e Kijung Yong,e Hyo Jung Kim,b Junwoo Son,*a and Hyun Myung Jang*a aDepartment of Materials Science and Engineering, and Division of Advanced Materials
Since the coupling of ferroelectric polarization and the photovoltaic effect was discovered in perovskite,, the research boom in the ferroelectric photovoltaic (FEPV) field has been set off, which has great application prospects in light energy conversion and light memory.
It is found that bulk electric conduction in ferroelectric monodomain BiFeO3 crystals is highly nonlinear and unidirectional. Unidirectional electric current flow, such as that found in a diode, is essential for modern electronics. It usually occurs at asymmetric interfaces such as p-n junctions or metal/semiconductor interfaces with Schottky barriers. We report on a diode effect
Jun 15, 2018· Here, we present a new class of FPVs by demonstrating switchable ferroelectric photovoltaic effects and narrow band-gap properties using hexagonal ferrite (h-RFeO3) thin
Jun 1, 2022· This proposes a simple idea to enhance the switchable ferroelectric photovoltaic effect and provides a promising pathway for the development of photovoltaic devices. Polarization-enhanced bulk photovoltaic effect of BiFeO 3 epitaxial film under standard solar illumination. Physics Letters A, Volume 384, Issue 32, 2020, Article 126831.
Sep 29, 2015· Epitaxial BiFe0.95Mn0.05O3 (BFMO) film was deposited on (001)-oriented SrRuO3 (SRO) coated SrTiO3 (STO) substrate by radio-frequency (rf) magnetron sputtering. Indium tin oxide (ITO) was grown on BFMO/STO heterojunction to fabricate ITO/BFMO/SRO capacitor for investigating the ferroelectric and photovoltaic properties. The ITO/BFMO/SRO
As the photovoltaic (PV) industry continues to evolve, advancements in switchable ferroelectric photovoltaic effects in epitaxial have become critical to optimizing the utilization of renewable energy sources. From innovative battery technologies to intelligent energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.
When you're looking for the latest and most efficient switchable ferroelectric photovoltaic effects in epitaxial for your PV project, our website offers a comprehensive selection of cutting-edge products designed to meet your specific requirements. Whether you're a renewable energy developer, utility company, or commercial enterprise looking to reduce your carbon footprint, we have the solutions to help you harness the full potential of solar energy.
By interacting with our online customer service, you'll gain a deep understanding of the various switchable ferroelectric photovoltaic effects in epitaxial featured in our extensive catalog, such as high-efficiency storage batteries and intelligent energy management systems, and how they work together to provide a stable and reliable power supply for your PV projects.
Enter your inquiry details, We will reply you in 24 hours.
