Light‐Boosting Highly Sensitive Pressure Sensors Based on Bioinspired Multiscale Surface Structures

Pressure sensors have attracted tremendous attention because of their potential applications in the fields of health monitoring, human–machine interfaces, artificial intelligence, and so on. Improving pressure‐sensing performances, especially the sensitivity and the detection limit, is of great impo...

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Published in:Advanced functional materials 2020-04, Vol.30 (16), p.n/a
Main Authors: Yu, Shixiong, Li, Lele, Wang, Juanjuan, Liu, Enping, Zhao, Jingxin, Xu, Fan, Cao, Yanping, Lu, Conghua
Format: Article
Language:English
Subjects:
Artificial intelligence
Biomimetics
biotemplating strategies
Detection
Electronic devices
highly sensitive sensors
Illumination
Light
light‐boosting sensors
Materials science
piezoresistive pressure sensors
Pressure sensors
Response time
Sensitivity enhancement
Sensors
surface wrinkling patterns
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cited_by cdi_FETCH-LOGICAL-c3171-a773060c5ebefc88a3b7d04bf4142ca4e9924144e0fb5e12566d60603896ada43
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container_end_page n/a
container_issue 16
container_start_page
container_title Advanced functional materials
container_volume 30
creator Yu, Shixiong
Li, Lele
Wang, Juanjuan
Liu, Enping
Zhao, Jingxin
Xu, Fan
Cao, Yanping
Lu, Conghua
description Pressure sensors have attracted tremendous attention because of their potential applications in the fields of health monitoring, human–machine interfaces, artificial intelligence, and so on. Improving pressure‐sensing performances, especially the sensitivity and the detection limit, is of great importance to expand the related applications, however it is still an enormous challenge so far. Herein, highly sensitive piezoresistive pressure sensors are reported with novel light‐boosting sensing performances. Rose petal–templated positive multiscale millimeter/micro/nanostructures combined with surface wrinkling nanopatterns endow the assembled pressure sensors with outstanding pressure sensing performance, e.g. an ultrahigh sensitivity (70 KPa−1,
doi_str_mv 10.1002/adfm.201907091
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Improving pressure‐sensing performances, especially the sensitivity and the detection limit, is of great importance to expand the related applications, however it is still an enormous challenge so far. Herein, highly sensitive piezoresistive pressure sensors are reported with novel light‐boosting sensing performances. Rose petal–templated positive multiscale millimeter/micro/nanostructures combined with surface wrinkling nanopatterns endow the assembled pressure sensors with outstanding pressure sensing performance, e.g. an ultrahigh sensitivity (70 KPa−1, &lt;0.5 KPa), an ultralow detection limit (0.88 Pa), a wide pressure detect ion range (from 0.88 Pa to 32 KPa), and a fast response time (30 ms). Remarkably, simple light illumination further enhances the sensitivity to 120 KPa−1 (&lt;0.5 KPa) and lowers the detection limit to 0.41 Pa. Furthermore, the flexible light illumination offers unprecedented capabilities to spatiotemporally control any target in multiplexed pressure sensors for optically enhanced/tailorable sensing performances. This light‐control strategy coupled with the introduction of bioinspired multiscale structures is expected to help design next generation advanced wearable electronic devices for unprecedented smart applications. Highly sensitive piezoresistive pressure sensors are fabricated on the base of bioinspired (i.e., biotemplating and surface wrinkling) multiscale structures. Remarkably, light illumination further enhances the sensitivity and lowers the detection limit. 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subjects Artificial intelligence
Biomimetics
biotemplating strategies
Detection
Electronic devices
highly sensitive sensors
Illumination
Light
light‐boosting sensors
Materials science
piezoresistive pressure sensors
Pressure sensors
Response time
Sensitivity enhancement
Sensors
surface wrinkling patterns
title Light‐Boosting Highly Sensitive Pressure Sensors Based on Bioinspired Multiscale Surface Structures
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