Tuning Magnetism and Photocurrent in Mn-Doped Organic–Inorganic Perovskites

Ren, Lixia; Wang, Yutao; Wang, Min; Wang, Shuanhu; Zhao, Yang; Cazorla, Claudio; Chen, Changle; Wu, Tom; Kusaka, Jin

doi:10.1021/acs.jpclett.0c00034

Cited by 41 publications

(50 citation statements)

References 59 publications

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“…Ren et al reported that Mn-doped MAPbI 3 presented the magnetism at room temperature, which originals from the double-exchange mechanism taking place in the Mn 2+ -I-Mn 3+ framework. [82] Moreover, the application of MF can effectively modulate the photovoltaic performance of PSCs owing to the new Mn-endowed magnetic degree of freedom. Dou et al found that the internal magnetic parameter B 0 can be decreased from 401.41 to 180.18 mT with decreasing the MA/FA ratio, indicating that the SOC in PSCs was changed through changing the internal dipole moment.…”

Section: Effect Of Magnetic Field On Photovoltaic Performancementioning

confidence: 99%

Physical Fields Manipulation for High‐Performance Perovskite Photovoltaics

Zhang

Yuan

Lou

et al. 2022

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With the efforts of researchers from all over the world, metal halide perovskite solar cells (PSCs) have been booming rapidly in recent years. Generally, perovskite films are sensitive to surrounding conditions and will be changed under the action of physical fields, resulting in lattice distortion, degradation, ion migration, and so on. In this review, the progress of physical fields manipulation in PSCs, including the electric field, magnetic field, light field, stress field, and thermal field are reviewed. On this basis, the influences of these fields on PSCs are summarized and prospected. Finally, challenges and prospective research directions on how to make better use of external-fields while minimizing the unnecessary and disruptive impacts on commercial PSCs with high-efficiency and steady output are proposed.The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/smll.202107556. IntroductionRecent years, metal halide perovskite solar cells (PSCs) have attracted widespread attention, and their power conversion efficiency (PCE) has been rapidly increased by more than 25%. [1] In order to obtain highly efficient photovoltaic devices, the fabrication process, the photoelectric properties of perovskite active layer, the interface contact, the electrode conductivity, and so on are all crucial. Researchers have made a lot of attempts, such as, adding dopants into the perovskite film to assist the crystallization, [2] adjusting the chemical composition of the perovskite layer to regulate its bandgap, [3] changing the preparation processes and conditions to improve the crystal quality, [4] designing

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Section: Effect Of Magnetic Field On Photovoltaic Performancementioning

confidence: 99%

Physical Fields Manipulation for High‐Performance Perovskite Photovoltaics

Zhang

Yuan

Lou

et al. 2022

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“… 47 The presence of Mn 3+ in perovskite samples was also invoked to rationalize the ferromagnetic coupling in MAPb 1– x Mn x I 3 , proposed to arise from Mn 2+ –I – –Mn 3+ motifs. 48 Very recently, Babu et al revealed the formation of a transient charge-transfer state in Mn:CsPbBr 3 , suggesting that a spin-allowed charge-transfer process (concurrent to energy transfer) related to Mn 3+ formation is likely to occur. 49 …”

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confidence: 99%

Energy vs Charge Transfer in Manganese-Doped Lead Halide Perovskites

Ricciarelli

Meggiolaro²,

Belanzoni

et al. 2021

ACS Energy Lett.

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Mn-doped lead halide perovskites exhibit long-lived dopant luminescence and enhanced host excitonic quantum yield. The contention between energy and charge transfer in sensitizing dopant luminescence in Mn-doped perovskites is investigated by state-of-the-art DFT calculations on APbX 3 perovskites (X = Cl, Br, and I). We quantitatively simulate the electronic structure of Mn-doped perovskites in various charge and spin states, providing a structural/mechanistic analysis of Mn sensitization as a function of the perovskite composition. Our analysis supports both energy- and charge-transfer mechanisms, with the latter probably preferred in Mn:CsPbCl 3 due to small energy barriers and avoidance of spin and orbital restrictions. An essential factor determining the dopant luminescence quantum yield in the case of charge transfer is the energetics of intermediate oxidized species, while bandgap resonance can well explain energy transfer. Both aspects are mediated by perovskite host band edge energetics, which is tuned in turn by the nature of the halide X.

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“…Perovskite magnetic materials have been studied for almost 50 years. These systems offer a degree of chemical flexibility which allows the relation between the oxides structure, and electronic and magnetic properties that can be controlled in various ways, such as: Doping [61][62][63], magnetic field [64][65][66], electric field [67,68], temperature [69][70][71], pressure, and photoexcitation [72][73][74][75]. Research on these compounds has revealed the relevant phe-nomenon of magnetoresistance [76][77][78][79], and has led to the formulation of important physical concepts such as double exchange [1] and the Jahn-Teller polaron [80].…”

Section: Perovskite Compounds: General Concepts and Applicative Indicmentioning

confidence: 99%

What Can Electric Noise Spectroscopy Tell Us on the Physics of Perovskites?

Barone

Pagano

2021

Coatings

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Electric noise spectroscopy is a non-destructive and a very sensitive method for studying the dynamic behaviors of the charge carriers and the kinetic processes in several condensed matter systems, with no limitation on operating temperatures. This technique has been extensively used to investigate several perovskite compounds, manganese oxides (La1−xSrxMnO3, La0.7Ba0.3MnO3, and Pr0.7Ca0.3MnO3), and a double perovskite (Sr2FeMoO6), whose properties have recently attracted great attention. In this work are reported the results from a detailed electrical transport and noise characterizations for each of the above cited materials, and they are interpreted in terms of specific physical models, evidencing peculiar properties, such as quantum interference effects and charge density waves.

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Tuning Magnetism and Photocurrent in Mn-Doped Organic–Inorganic Perovskites

Cited by 41 publications

References 59 publications

Physical Fields Manipulation for High‐Performance Perovskite Photovoltaics

Physical Fields Manipulation for High‐Performance Perovskite Photovoltaics

Energy vs Charge Transfer in Manganese-Doped Lead Halide Perovskites

What Can Electric Noise Spectroscopy Tell Us on the Physics of Perovskites?

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