Aug 19, 2024· Ferroelectric all-inorganic halide perovskite nanocrystals with both spontaneous polarization and visible light absorption are promising candidates for designing ferroelectric photovoltaic applications. It remains a challenge to realize ferroelectric photovoltaic devices with all-inorganic halide perovskites that can be operated in the absence of an external electric
Feb 16, 2022· The bulk photovoltaic (BPVE) effect in crystals lacking inversion symmetry offers great potential for optoelectronic applications due to its unique properties, such as above-band-gap photovoltage and switchable photocurrent. Because of their large spontaneous polarizations, ferroelectric materials are ideal platforms for studying the BPVE. However, identifying the
Aug 19, 2024· Ferroelectric all-inorganic halide perovskite nanocrystals with both spontaneous polarization and visible light absorption are promising candidates for designing ferroelectric
Nov 21, 2023· So, to properly utilize the ferroelectric photovoltaic effects, it is crucial to find a novel material with both intense electrical polarization and band gap energy close to 1.5 eV. A recently discovered interesting ferroelectric compound, LiNbO 3 -structured ZnSnS 3, (LN-ZnSnS 3 ) is considered for searching such suitable material.
May 26, 2022· Recently, ferroelectricity, a phenomenon exhibiting reversible spontaneous electrical polarization, has been observed in zero-degree aligned van der Waals structures. In
Jan 24, 2019· Ferroelectric materials showing switchable spontaneous polarization offer intriguing research interest due to their application potentials in a wide range of fields. 1–5 Recently, the photovoltaic (PV) research on ferroelectrics is gaining momentum because of anomalous PV response. 6–10 However, these studies are confined to a few ferroelectric systems such as
Ever since the first observation of a photovoltaic effect in ferroelectric BaTiO 3, studies have been devoted to analyze this effect, but only a few attempted to engineer an enhancement conjunction, the steep progress in thin-film fabrication has opened up a plethora of previously unexplored avenues to tune and enhance material properties via growth in the form of
Dec 16, 2022· The ferroelectric photovoltaic (FPV) effect has recently attracted considerable attention because of its unique photogenerated carrier separation mechanism [1], [2].For the FPV effect, the photogenerated carriers are separated by the built-in electric field induced by the orderly arranged ferroelectric polarization in non-centrosymmetric ferroelectric materials [3], [4].
Jun 11, 2024· The photovoltaic (PV) effect is a process by which materials or interfaces under light illumination generate voltages and electric currents. Because of the growing demand for sustainable energy supply and light communication, the importance of PV technologies is continuously increasing. 1) While semiconductor pn junctions are the most familiar devices
Feb 23, 2022· A dramatical enhancement in PV performance has been achieved by turning the ferroelectric polarization, leading to the maximum Voc ∼ 0.75 V, Jsc ∼ 1.09 mA/cm 2, and a
Mar 1, 2016· This review will start with a brief introduction to the fundamentals of ferroelectric materials and their anomalous photovoltaic effects followed by discussion about the recent studies on the effect of ferroelectric polarization on surface photochemistry specifically on adsorption and spatially selective oxidation and reduction reactions.
Mar 8, 2016· It is well known that ferroelectric materials have important applications in many fields thanks to their switchable polarization response to external electric fields 1,2.The recent six years have
Apr 1, 2021· In short, the ferroelectric polarization, including local and global polarization (global polarization imposes a much larger effect), is the more crucial than the build-in electric filed in PPSCs. Due to the ferroelectric polarization, the photovoltaic properties of PPSCs are different from ones of traditional solar cells.
Abstract Ferroelectric materials, which exhibit switchable polarization, This enhancement allows the investigation of the correlation between the polarization switching and photovoltaic switching, which enables a controllable multistate photocurrent. Combined with a bandgap of 2.2 eV, this material exhibits a sizable photoresponse over a
Jan 1, 2021· Ferroelectric photovoltaic effect (FE-PV) was originally investigated in several ferroelectric perovskite oxides, such as in BaTiO 3, PbTiO 3, Pb It was further shown that the photovoltage could be enhanced or reversed by controlling the ferroelectric polarization, which in turn is controlled by electrical poling in lead-based thin films
Feb 15, 2023· Besides, the ferroelectric polarization (P) of the ferroelectric layer, constitutes a new parameter to tune the photoconductivity of the capacitor as the surface charge associated to P modulates the height of the Schottky barriers, with reversed effect upon P reversal [8]. While at first sight these mechanisms appear to be simple, in practice
1 day ago· Specifically, Fig. 3a–c depict the process of ferroelectric polarization state persisting and gradually turning from downward to upward around negative coercive voltage (~ − 15 V)
Dec 7, 2021· Ferroelectric photovoltaics have attracted attention for their unusual photovoltaic effect and controllability. The photogenerated voltage that is independent of bandgap along
Jun 13, 2022· Short-circuit photocurrent due to bulk photovoltaic effect displays an oscillatory dependence on the polarization state of light. Here, we explore how the ferroelectric polarization direction in h-LuMnO 3 crystals affects the oscillating short-circuit photocurrent. It is shown that after prepoling the crystal at saturation, at remanence, the direction and amplitude of
Apr 24, 2023· Ferroelectric oxide thin films, characterized by a switchable electric polarization, have been the focus of numerous investigations because of their intriguing properties and rich interfacial
Dec 13, 2022· The coupling of electric polarization and photovoltaics in this fluorinated 2D hybrid perovskite gives rise to switchable ferroelectric photovoltaic effect. Under illumination, the P s -directed I sc was observed in the crystals of 2 with the electrodes parallel to the polarization direction (Figure 2c ).
Jan 30, 2021· Upon the reversal of the ferroelectric polarization direction from downward to upward, the J sc and the open circuit voltage (V oc) were increased by 2.5 and 4 fold for the Ag/BFTO/NSTO device and by 2.83 and 8.5 fold for the Ag/ZnO/BFTO/NSTO device, respectively. This work provides an effective way for developing efficient ferroelectric and
Jun 11, 2013· Here we demonstrate that the significant photovoltaic effect of a ferroelectric material, such as BiFeO3 with a band gap in the visible range, can be used to sense the polarization direction non
Apr 3, 2009· On the other hand, bulk photocurrent can be induced by high-energy light illumination even in good insulators; and directional photocurrent without external bias [that is, a photovoltaic (PV) effect] has been studied in ferroelectrics (5–13).When a ferroelectric in an open circuit is illuminated by ultraviolet light, for example, a high photovoltage, much larger than the
Feb 23, 2022· A dramatical enhancement in PV performance has been achieved by turning the ferroelectric polarization, leading to the maximum V oc ∼ 0.75 V, J sc ∼ 1.09 mA/cm 2, and a power conversion efficiency (PCE) of 0.29%. This work offers a bright avenue for molecular ferroelectrics in optoelectronic devices.
Mar 5, 2024· The photovoltaic device of EA 4 Pb 3 Br 10 can achieve photovoltaic effect regulation by polarization. Transport layers can greatly improve the photovoltaic performance
Apr 7, 2022· Ferroelectric materials, particularly the emerging layered hybrid ferroelectrics, have shown great potential for high-sensitive polarization photodetection owing to their striking bulk photovoltaic effect (BPVE).
Jan 10, 2010· The rhombohedrally distorted perovskite structure of BFO leads to eight ferroelectric polarization directions along the pseudocubic 111-directions, corresponding to four structural variants
Jul 2, 2024· 1 Introduction. Ferroelectrics constitute a class of materials wherein spontaneous polarization can be reversed within crystals lacking centrosymmetry. [] The control of ferroelectric domains has long been a subject of understanding because it forms the basis of electrical/mechanical conversion characteristics, [] memory operation, [] and so on in many
Jul 1, 2022· The photo-induced polarization is already bigger than intrinsic polarization of interlayer-sliding ferroelectric materials (about 0.01 e/nm 2) 15, and the photo-induced out-of-plane voltage is
Mar 5, 2024· The photovoltaic effect driven by ferroelectric polarization shows great application potential in photovoltaic devices. Two-dimensional (2D) Ruddlesden-Popper perovskite molecular ferroelectric materials, which combine polarization and low band gap properties, occupy a promising position in this field.
Nov 15, 2016· The bulk photovoltaic effect explains how materials exhibiting a polarization can give rise to photovoltaic effects without the need for junction-based structures. A second effect is the ballistic
Ferroelectric photovoltaic cells have attracted particular interest owing to their potential applications in the green energy field. But there are two drawbacks: weak polarization and wide bandgap, which make them suffer from the limitation of energy conversion efficiency. In this study, the key issue is solved in Ag2O nanoparticle-dispersed Bi5Ti3FeO15 composites.
Sep 21, 2020· The bulk photovoltaic effect (BPVE) 1,2,3,4,5 in ferroelectric materials has been intensively investigated because of properties such as above bandgap photovoltage generation or the possibility of
Apr 22, 2024· Therefore, the search for materials with greater remanent polarization and narrower bandgap becomes the key to regulating the ferroelectric photovoltaic effect. In the ferroelectric photovoltaic materials with the structure of ABO 3, due to the strong orbital hybridization between the B–O bonds, the material has a wide bandgap, which can only
Nov 10, 2013· The spontaneous electrical polarization that characterizes a ferroelectric material is attractive for solar-cell applications as the positive and negative charges generated by light absorption
As the photovoltaic (PV) industry continues to evolve, advancements in ferroelectric polarization photovoltaic 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.
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