基于液-固界面的超高灵敏度摩擦电触觉传感器21.48 kPa−1

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Nano-Micro Letters Pub Date : 2022-04-01 DOI:10.1007/s40820-022-00831-7

Jingya Liu, Zhen Wen, Hao Lei, Zhenqiu Gao, Xuhui Sun

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引用次数: 3

摘要

提出了一种基于铁磁流体的自供电液-固界面摩擦电触觉传感器，该传感器具有立即形成的尖峰状微观结构。由于高尖峰微结构、低铁磁流体杨氏模量和高效的固液界面接触电化，该摩擦电传感器可达到21.48 kPa−1的超高灵敏度。提出了一种高安全级别的个性化密码锁策略。

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A Liquid–Solid Interface-Based Triboelectric Tactile Sensor with Ultrahigh Sensitivity of 21.48 kPa−1

Highlights

A self-powered liquid–solid interface ferrofluid-based triboelectric tactile sensor with immediately formed spike-shaped microstructure is proposed.
Due to the high spike microstructure, low Young’s modulus of ferrofluid and efficient solid–liquid interface contact-electrification, an ultrahigh sensitivity of 21.48 kPa⁻¹ for the triboelectric sensors can be achieved.
A strategy for personalized password lock with high security level is demonstrated.

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来源期刊

Nano-Micro Letters NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

42.40

自引率

4.90%

发文量

715

审稿时长

13 weeks

期刊介绍： Nano-Micro Letters is a peer-reviewed, international, interdisciplinary and open-access journal that focus on science, experiments, engineering, technologies and applications of nano- or microscale structure and system in physics, chemistry, biology, material science, pharmacy and their expanding interfaces with at least one dimension ranging from a few sub-nanometers to a few hundreds of micrometers. Especially, emphasize the bottom-up approach in the length scale from nano to micro since the key for nanotechnology to reach industrial applications is to assemble, to modify, and to control nanostructure in micro scale. The aim is to provide a publishing platform crossing the boundaries, from nano to micro, and from science to technologies.