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High-sensitivity flexible iontronic pressure sensor for pulse signal detection and underwater intelligent communication
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Menghui XIANG1,2*, Cong ZHAI2*, Congcong HAO3*, Guirong WU1, Jin CHAI2,4, Yunlong ZHAO1, Zekai HUANG1, Bin YAO1,2, Heying ZHANG3, Mengran LIU5, Lei NIE5, Xiewen WEN6, Chenyang XUE1,2, Libo GAO1. High-sensitivity flexible iontronic pressure sensor for pulse signal detection and underwater intelligent communication[J]. Journal of Zhejiang University Science A, 1998, -1(-1): .
@article{title="High-sensitivity flexible iontronic pressure sensor for pulse signal detection and underwater intelligent communication",
author="Menghui XIANG1,2*, Cong ZHAI2*, Congcong HAO3*, Guirong WU1, Jin CHAI2,4, Yunlong ZHAO1, Zekai HUANG1, Bin YAO1,2, Heying ZHANG3, Mengran LIU5, Lei NIE5, Xiewen WEN6, Chenyang XUE1,2, Libo GAO1",
journal="Journal of Zhejiang University Science A",
volume="-1",
number="-1",
pages="",
year="1998",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A2500648"
}
%0 Journal Article
%T High-sensitivity flexible iontronic pressure sensor for pulse signal detection and underwater intelligent communication
%A Menghui XIANG1
%A 2*
%A Cong ZHAI2*
%A Congcong HAO3*
%A Guirong WU1
%A Jin CHAI2
%A 4
%A Yunlong ZHAO1
%A Zekai HUANG1
%A Bin YAO1
%A 2
%A Heying ZHANG3
%A Mengran LIU5
%A Lei NIE5
%A Xiewen WEN6
%A Chenyang XUE1
%A 2
%A Libo GAO1
%J Journal of Zhejiang University SCIENCE A
%V -1
%N -1
%P
%@ 1673-565X
%D 1998
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A2500648
TY - JOUR
T1 - High-sensitivity flexible iontronic pressure sensor for pulse signal detection and underwater intelligent communication
A1 - Menghui XIANG1
A1 - 2*
A1 - Cong ZHAI2*
A1 - Congcong HAO3*
A1 - Guirong WU1
A1 - Jin CHAI2
A1 - 4
A1 - Yunlong ZHAO1
A1 - Zekai HUANG1
A1 - Bin YAO1
A1 - 2
A1 - Heying ZHANG3
A1 - Mengran LIU5
A1 - Lei NIE5
A1 - Xiewen WEN6
A1 - Chenyang XUE1
A1 - 2
A1 - Libo GAO1
J0 - Journal of Zhejiang University Science A
VL - -1
IS - -1
SP -
EP -
%@ 1673-565X
Y1 - 1998
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A2500648
Abstract: flexible pressure sensors have become pivotal in the advancement of wearable electronics, underwater monitoring, and human-machine interfaces (HMI), particularly when augmented by artificial intelligence. Nevertheless, the development of a unified sensing platform capable of seamless operation in both terrestrial health monitoring and aquatic communication environments remains a significant challenge. To address this issue, a highly sensitive, flexible ionic pressure sensor featuring a micro-pyramidal architecture was developed. The device is fabricated using molding involving a bespoke ionic ink composite comprising carbon nanotubes (CNTs) and ionic liquids as the sensing layer. This layer is then sandwiched between screen-printed silver electrodes. The sensor demonstrates exceptional performance metrics, including high sensitivity (370 kPa-1), rapid response/recovery times (20 ms), and outstanding reliability (about 20000 cycles). In the domain of wearable health monitoring, the sensor demonstrated its capacity to discern faint human pulse signals. The integration of established principles from traditional Chinese pulse-taking methodologies was successful in identifying optimal pressure points, thereby facilitating the acquisition of high-fidelity pulse waveforms. Concurrently, within the domain of underwater intelligent communication, the sensor was used to sense Morse code signals, which were then accurately classified through a deep learning algorithm. This research has established a reliable method for covert messaging and has significantly augmented the potential for biological monitoring in aquatic environments. This work not only validates the sensor's high performance but also demonstrates its dual-functionality, seamlessly connecting human healthcare with intelligent underwater interaction and significantly broadening the scope of application of flexible sensing technology.
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