Engineering and Technology

A bioinspired flexible neuromuscular system based thermal-annealing-free perovskite with passivation

J. Liu, J. Gong, et al.

Explore the groundbreaking research conducted by Jiaqi Liu and colleagues, showcasing a novel flexible artificial synapse using a room-temperature crystallized perovskite layer. This innovation not only achieves a record-low energy consumption and ultrafast response but also powers an artificial neuromuscular system, laying the foundation for advancements in bio-inspired electronics and neurorobotics.

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Abstract

This paper demonstrates a flexible artificial synapse using a room-temperature crystallized perovskite layer. The device exhibits various synaptic functions, including logical operations, temporal and spatial rules, and associative learning. Passivation with phenethyl-ammonium iodide minimizes defects, resulting in record-low energy consumption (13.5 aJ per synaptic event) and ultrafast response frequency (4.17 MHz). An artificial neuromuscular system, incorporating this synapse to control electrochemical artificial muscles, is also fabricated, showcasing muscular-fatigue warning capabilities. This artificial synapse holds promise for bio-inspired electronics and neurorobotics.

Publisher

Nature Communications

Published On

Dec 02, 2022

Authors

Jiaqi Liu, Jiangdong Gong, Huanhuan Wei, Yameng Li, Haixia Wu, Chengpeng Jiang, Yuelong Li, Wentao Xu

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