The effect of permanent electric dipoles on the stability and photoelectric properties of MAPbI<sub>3</sub> films

Chen, Liufang; Zhai, Wenyan; Li, Guangyuan; Zhang, Zhihang; Huang, Lin; Li, Xinyu; Zheng, Wenhao; Lin, Lin; Zhou, Xiaohui; Yan, Z. B.; Liu, Junming

doi:10.1039/d2tc04812d

J. Mater. Chem. C

2023

DOI: 10.1039/d2tc04812d

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The effect of permanent electric dipoles on the stability and photoelectric properties of MAPbI₃ films

Liufang Chen

Wenyan Zhai

Guangyuan Li

et al.

Abstract: Hybrid organic-inorganic perovskites have attracted wide attention due to their excellent photoelectric properties, but their stability is still one of the main obstacles to large-scale applications. Recently, the introduction of...

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Photoferroelectric Perovskite Synapses for Neuromorphic Computing

Han,

Ma,

et al. 2023

Adv Funct Materials

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Halide perovskite is an emerging material with excellent optoelectronic properties, and also widely used in neuromorphic devices. Recently, halide perovskite has been redefined as exhibiting extraordinary multifunction, e.g., photoferroelectricity. Herein, this work employs a composite material consisting of halide perovskite and organic ferroelectric material to develop a new photoferroelectric synapse, and the photoferroelectricity and some synaptic plasticity are investigated. By the corresponding test analysis, it is demonstrated that photoelectricity and ferroelectricity can reinforce each other in this photoferroelectric composite material. Versatile synaptic behaviors of the nervous system, including paired‐pulse facilitation/paired‐pulse depression, post‐tetanic potentiation /post‐tetanic depression, and spiking‐rate‐dependent plasticity, are successfully simulated. Particularly, the classical conditioning in Pavlov's dog experiment can be replicated in the photoferroelectric synapse to realize the learning function of the brain, including memory loss and recovery. This work could be conducive to the application of multifunctional perovskite materials in synapse devices and neuromorphic computing.

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Photoferroelectric Perovskite Synapses for Neuromorphic Computing

Han,

Ma,

et al. 2023

Adv Funct Materials

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The DFT prediction of comprehensive properties of antiperovskites Mg6CX4 (X = S, Se, Te) and effects of defects and surface adsorption

Tang,

Tang

2024

Materials Today Communications

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Co-treatment of an inorganic additive SnF2 and an organic additive P(VDF-TrFE) for improving the performances of MASnBr3 films

Chen,

Li,

et al. 2024

Optical Materials

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The effect of permanent electric dipoles on the stability and photoelectric properties of MAPbI₃ films

Abstract: Hybrid organic-inorganic perovskites have attracted wide attention due to their excellent photoelectric properties, but their stability is still one of the main obstacles to large-scale applications. Recently, the introduction of...

Cited by 3 publications

References 48 publications

Photoferroelectric Perovskite Synapses for Neuromorphic Computing

Photoferroelectric Perovskite Synapses for Neuromorphic Computing

The DFT prediction of comprehensive properties of antiperovskites Mg6CX4 (X = S, Se, Te) and effects of defects and surface adsorption

Co-treatment of an inorganic additive SnF2 and an organic additive P(VDF-TrFE) for improving the performances of MASnBr3 films

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The effect of permanent electric dipoles on the stability and photoelectric properties of MAPbI3 films

Abstract: Hybrid organic-inorganic perovskites have attracted wide attention due to their excellent photoelectric properties, but their stability is still one of the main obstacles to large-scale applications. Recently, the introduction of...

Cited by 3 publications

References 48 publications

Photoferroelectric Perovskite Synapses for Neuromorphic Computing

Photoferroelectric Perovskite Synapses for Neuromorphic Computing

The DFT prediction of comprehensive properties of antiperovskites Mg6CX4 (X = S, Se, Te) and effects of defects and surface adsorption

Co-treatment of an inorganic additive SnF2 and an organic additive P(VDF-TrFE) for improving the performances of MASnBr3 films

Contact Info

Product

Resources

About

The effect of permanent electric dipoles on the stability and photoelectric properties of MAPbI₃ films