Flexible ionic‐gel synapse devices and their applications in neuromorphic system DOI Creative Commons

Fengchang Huang,

Xidi Sun, Yi Fang Shi

et al.

FlexMat., Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 16, 2024

Abstract Biological neural systems, composed of neurons and synaptic networks, exhibit exceptional capabilities in signal transmission, processing, integration. Inspired by the mechanisms these researchers have been dedicated to developing artificial systems based on flexible devices that effectively mimic functions biological synapses, providing hardware support for advancement intelligence. In recent years, ionic gels, known their high conductivity intuitive mimicry, utilized development ionic‐gel synapses (IGSs). They are considered ideal materials next wearable generation neuromorphic systems. This review introduces IGS summarizes progress IGS‐based Additionally, key challenges future prospects related IGSs outlined, potential suggestions provided.

Language: Английский

Advancements in 2D layered material memristors: unleashing their potential beyond memory DOI Creative Commons
Kiran A. Nirmal, Dhananjay D. Kumbhar,

Arul Varman Kesavan

et al.

npj 2D Materials and Applications, Journal Year: 2024, Volume and Issue: 8(1)

Published: Dec. 21, 2024

The scalability of two-dimensional (2D) materials down to a single monolayer offers exciting prospects for high-speed, energy-efficient, scalable memristors. This review highlights the development 2D material-based memristors and potential applications beyond memory, including neuromorphic, in-memory, in-sensor, complex computing. also encompasses challenges future opportunities advancing these technologies, underscoring transformative impact on versatile sustainable electronic devices systems.

Language: Английский

Citations

4

Wafer-scale flexible 2D PtSe2 layers with bi-directional wavelength tunability for fully optical synaptic operations DOI

Sang Sub Han,

Chung Won Lee,

Changhyeon Yoo

et al.

Nano Energy, Journal Year: 2025, Volume and Issue: unknown, P. 110943 - 110943

Published: March 1, 2025

Language: Английский

Citations

0

van der Waals Epitaxy of Mechanically Separable AlN with Enhanced Crystalline Quality by Using a Double-Buffer-Layer Insertion DOI

Bingchen Lv,

Yang Chen, Yuanyuan Yue

et al.

Crystal Growth & Design, Journal Year: 2025, Volume and Issue: unknown

Published: May 2, 2025

Language: Английский

Citations

0

1D/2D Heterostructures: Synthesis and Application in Photodetectors and Sensors DOI Creative Commons
Yuqian Liu, Yihao Lin,

Yanbo Hu

et al.

Nanomaterials, Journal Year: 2024, Volume and Issue: 14(21), P. 1724 - 1724

Published: Oct. 29, 2024

Two-dimensional (2D) semiconductor components have excellent physical attributes, such as mechanical ductility, high mobility, low dielectric constant, and tunable bandgap, which attracted much attention to the fields of flexible devices, optoelectronic conversion, microelectronic devices. Additionally, one-dimensional (1D) materials with unique surface area potency, show great potential in many applications. However, isolated 1D 2D often do not meet demand for multifunctionality. Therefore, more functionality is achieved by reconstructing new composite structures from materials, according current study, it has been demonstrated that hybrid dimensional integration yields a significant enhancement performance functionality, widely promising field constructing novel electronic nanodevices. In this review, we first briefly introduce preparation methods 1D/2D heterostructures, well their advantages limitations. The applications heterostructures photodetectors, gas sensors, pressure strain photoelectrical synapses biosensors are then discussed, along opportunities challenges Finally, outlook emerging heterojunction given.

Language: Английский

Citations

3

Van der Waals Heterostructures for Advanced Infrared Photodetection: Innovations in Stability and Spectral Range DOI

Aditya Kushwaha,

Manasvi Raj,

Anshul

et al.

Materials Today Nano, Journal Year: 2025, Volume and Issue: 29, P. 100582 - 100582

Published: Feb. 4, 2025

Language: Английский

Citations

0

Three-Dimensional Dynamic Compression Evaporator with High Salt-Resistance for Efficient Seawater Desalination DOI

Xu Zheng,

Zexin Chen,

Daqi Chen

et al.

ACS Sustainable Chemistry & Engineering, Journal Year: 2025, Volume and Issue: unknown

Published: March 4, 2025

Language: Английский

Citations

0

Optoelectronic synapses realized on large scale continuous MoSe2 with Te doping induced tunable memory function DOI

Yongqi Hu,

Yunan Lin,

Xutao Zhang

et al.

Nanoscale Horizons, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Te doping facilitates the formation of Se vacancies in wafer-scale MoSe 2 , thereby enabling memory functions for optoelectronic synapses via trapping photocarriers.

Language: Английский

Citations

0

All‐Metal‐Oxide Heterojunction Optoelectronic Synapses with Multilevel Memory for Artificial Visual Perception Applications DOI Creative Commons
Jo‐Lin Chen, Tsung‐Che Chiang, Po‐Tsun Liu

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: May 2, 2025

Abstract Metal‐oxide semiconductor‐based optoelectronic synaptic transistors have attracted considerable attention due to their high energy efficiency and stability. This work proposes a novel WO 3 /InWZnO heterojunction transistor, demonstrating the strong potential for emulating human visual system. The fabricated transistor achieves an impressive optical responsivity of 58.37 A W −1 when exposed 650 nm light. Furthermore, it successfully emulates transitions from short‐term memory (STM) long‐term (LTM) by modulating pulse duration, illumination intensity, number. also exhibits optimal paired‐pulse facilitation (PPF) index 176% post‐tetanic potentiation (PTP) 890% under 460 light illumination. It demonstrates multilevel storage capability via photogating effect. multilayer perceptron (MLP) model, employing weights modulated 650, 525, in (LTP) region electrical stimuli depression (LTD) region, recognition accuracy 87.4% severely distorted handwritten digits. Finally, U‐Net architecture is adopted evaluate image segmentation performance through RGB channels, revealing 74.5%, feasibility proposed advanced neuromorphic vision system applications.

Language: Английский

Citations

0

Conductive Islands Assisted Resistive Switching in Biomimetic Artificial Synapse for Associative Learning and Image Recognition DOI Open Access
Rajesh Jana, Ritamay Bhunia,

Swapnamoy Paramanik

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 13, 2024

Abstract Solution‐processed memristor devices hold significant potential for advancing synaptic applications, offering scalable, cost‐effective, and efficient solutions next‐generation neuromorphic systems. These replicate the behavior of biological synapses with their gradual continuous changes in resistance, making them promising computing artificial neural networks. However, understanding temporal characteristics cumulative effect successive pulses on is essential emulating dynamics synapses. This study proposes a hybrid materials‐based conductive islands‐assisted resistive switching (CIARS) solution‐processed active layer consisting thermally exfoliated graphitic carbon nitride (g‐C 3 N 4 abbreviated as CN) nanosheets embedded silver nanoparticles (Ag NPs). The fabricated demonstrate repeatable bipolar memory features lower operating voltage (≤0.5 V ), frequency amplitude‐dependent plasticities. threshold occurs due to formation conduction filaments (CFs) ion + whereas analog results from pulse‐dependent modulation Schottky barrier height combined metallic CFs formation. experimental findings efficacy CIARS mechanism within material platform, highlighting its applications associative learning, Morse code detection, image recognition.

Language: Английский

Citations

1

Persistent photoconductivity and Emulating Ebbinghaus forgetting curve via characterization of excitatory synaptic transmission in a ZnO-based optoelectronic synapse with ultra-low power ( fJ) consumption DOI
Ashly Sunny, R. Thamankar

Applied Surface Science, Journal Year: 2024, Volume and Issue: unknown, P. 161767 - 161767

Published: Nov. 1, 2024

Language: Английский

Citations

1