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Organic synapses with programmable linearity for neuromorphic computing

delete2026-07-31
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PRE
AI
Y
Yincheng Zhang
W
Wenwan Zeng
H
Hao Chen *
Y
Yunjie Tian
Q
Qijie Lin
Y
Yifan Liu
C
Cong Shan
邱丽 封面图
邱丽 (Li Qiu)
S
Siyuan Liu
Y
Yunhao Cai
彭
彭谦 (Qian Peng) *
H
Hui Huang *
DOI:10.1038/s41563-026-02689-1delete
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摘要

摘要

En 中文
有机突触器件为柔性且生物相容的神经形态计算和人机接口提供了一种途径。然而,由于界面效应和非均匀电子过程,电信号传输通常是非线性和不可重复的,这会增加能量消耗。有机全光子突触规避了电信号传输,但仍受限于非线性光化学和光异构化过程。在此,我们基于电荷分离缓冲的自适应发光机制,开发了线性可编程的有机全光子突触。通过系统地调控客体分子结构来调制电荷分离动力学,实现对突触线性的精确控制。所得器件表现出线性参数v为0.0093、99%的均匀性、97%的可重复性、每突触事件59 zJ的光触发能量和1.39 ns的响应时间。集成了线性可编程有机全光子突触的全光子传感系统能够实现高质量图像采集和高图像分类精度。这些结果建立了一个分子可编程的光物理平台,用于神经形态信号处理,并为低能耗人机接口提供了一条潜在途径。界面效应和非线性电子过程阻碍了高性能有机人工突触的发展。开发了一种高效的有机全光子突触,通过光学调控的电荷分离动力学实现了线性突触响应。

期刊

Nature Materials 封面图
Nature Materials
IF:
38.5
论文数:
6.8K
被引数:
11.5W

机构

T
tianjin university
学者数:
8.0W
论文数: 5.8W
被引数: 88
U
University of Chinese Academy of Sciences
学者数:
6.8K
论文数: 2.7K
被引数: 24.6W
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