Photonics Research, Volume. 11, Issue 5, 787(2023)
Review on metal halide perovskite-based optoelectronic synapses
Fig. 1. Overview of this review. Neurons and synapses reprinted with permission from [54]. Copyright 2013, American Institute of Physics. Synaptic plasticity reprinted with permission from [55]. Copyright 2022, Wiley-VCH. Neuromorphic computing reprinted with permission from [56], copyright 2022, Elsevier, and from [57], copyright 2022, Wiley-VCH. Neuromorphic visual systems reprinted with permission from [23], copyright 2020, American Chemical Society, and from [58], copyright 2020, Wiley-VCH. High-order learning behaviors reprinted with permission from [59]. Copyright 2020, Wiley-VCH. Memristors reprinted with permission from [23]. Copyright 2020, American Chemical Society. Transistors reprinted with permission from [60]. Copyright 2021, Wiley-VCH.
Fig. 2. (a) Structural schematic diagram of the biological synapse. (b) and (c) EPSC/IPSC of the perovskite-gated synaptic device triggered by an optical stimulus when the gate voltage is 5 V/−6 V. Reprinted with permission from [67]. Copyright 2022, John Wiley and Sons. (d) EPSC/IPSC triggered by a 980 nm/450 nm optical pulse for synaptic transistor based on the Pyr-GDY/Gr/PbS-QD heterojunction. Reprinted with permission from [68]. Copyright 2001, Elsevier. (e) and (f) EPSC as a function of pulse duration/power density for synaptic transistors based on the
Fig. 3. (a) Schematic diagram of typical PPF/PPD behavior of synapses with two successive pulse stimuli. Reprinted with permission from [54]. Copyright 2013, American Institute of Physics. (b) and (c) IPSC/EPSC curves of heterojunction synaptic devices stimulated by two consecutive pulses. (d) and (e) The PPD/PPF index obtained as a function of stimulus pulses applied with different
Fig. 4. (a) Schematic diagram of a typical STP to LTP transition model. (b)–(e)
Fig. 5. (a) Schematic illustration of the
Fig. 6. (a) Schematic illustrations of the
Fig. 7. (a) Excitation currents (
Fig. 8. (a) Schematic illustration of the multi-input light-stimulated
Fig. 9. (a) Schematic illustration of the changes in postsynaptic currents resulting from successive stimulation with optical and electrical signals. (b) Characteristic curves of optical pulse writing and electrical pulse erasing of the device. (c) Variation curves of handwritten digit recognition accuracy along with training epochs of different devices. (d) Schematic illustration of input number “8” and artificial neural network. (e) The initial state of the weight matrix is related to the input numbers. (f) The final state of the weight matrix is related to the input numbers. Reprinted with permission from [57]. Copyright 2022, Wiley-VCH.
Fig. 10. (a)
Fig. 11. (a) Relationship between the maximum EPSC triggered by 30 light pulses and varying gate voltages. (b) EPSC is triggered by 30 light pulses at varying gate voltages. (c) Recognition of the letter “H” as the brain enters positive/neutral/negative mood states. (a)–(c) Reprinted with permission from [23]. Copyright 2020, American Chemical Society. (d) Diagram of the relationship between learning and memory under different emotional states. Reprinted with permission from [130]. Copyright 2021, Wiley-VCH.
Fig. 12. (a) Schematic diagram of the human visual system. (b) Schematic representation of habituated behavior when the nervous system is stimulated. (c) Schematic diagram of the structure of the DAVAN device. (d) Habituation behavior of the device when stimulated by 40 light pulses. (e) Optical photograph of the DAVAN device for the
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Xitong Hong, Xingqiang Liu, Lei Liao, Xuming Zou, "Review on metal halide perovskite-based optoelectronic synapses," Photonics Res. 11, 787 (2023)
Category: Optoelectronics
Received: Nov. 16, 2022
Accepted: Feb. 4, 2023
Published Online: Apr. 27, 2023
The Author Email: Xingqiang Liu (liuxq@hnu.edu.cn), Lei Liao (liaolei@whu.edu.cn), Xuming Zou (zouxuming@hnu.edu.cn)