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用于高灵敏度非接触模式摩擦电弯曲传感器的3D多三角棱柱

3D Multiple Triangular Prisms for Highly Sensitive Non-Contact Mode Triboelectric Bending Sensors.

作者信息

Han Gi Hyeon, Kim Sun Woo, Kim Jin Kyeom, Lee Seung Hyun, Jeong Myeong Hoon, Song Hyun Cheol, Choi Kyoung Jin, Baik Jeong Min

机构信息

School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Korea.

School of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea.

出版信息

Nanomaterials (Basel). 2022 Apr 28;12(9):1499. doi: 10.3390/nano12091499.

DOI:10.3390/nano12091499
PMID:35564208
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9102195/
Abstract

Here, a highly sensitive triboelectric bending sensor in non-contact mode operation, less sensitive to strain, is demonstrated by designing multiple triangular prisms at both sides of the polydimethylsiloxane film. The sensor can detect bending in a strained condition (up to 20%) as well as bending direction with quite high linear sensitivity (~0.12/degree) up to 120°, due to the electrostatic induction effect between Al and poly (glycerol sebacate) methacrylate. Further increase of the bending angle to 135° significantly increases the sensitivity to 0.16/degree, due to the contact electrification between them. The sensors are attached on the top and bottom side of the proximal interphalangeal and wrist, demonstrating a directional bending sensor with an enhanced sensitivity.

摘要

在此，通过在聚二甲基硅氧烷薄膜两侧设计多个三棱柱，展示了一种在非接触模式下运行的高灵敏度摩擦电弯曲传感器，其对应变不太敏感。由于铝与聚（癸二酸甘油酯）甲基丙烯酸酯之间的静电感应效应，该传感器能够在应变条件下（高达20%）检测弯曲，并且在高达120°的范围内具有相当高的线性灵敏度（约0.12/度）来检测弯曲方向。由于它们之间的接触起电，将弯曲角度进一步增加到135°会显著将灵敏度提高到0.16/度。这些传感器附着在近端指间关节和手腕的顶部和底部，展示了一种灵敏度增强的定向弯曲传感器。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b89/9102195/2b825e028ff0/nanomaterials-12-01499-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b89/9102195/b69deb01125e/nanomaterials-12-01499-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b89/9102195/4edc65e9bfa6/nanomaterials-12-01499-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b89/9102195/a0a4ddcc9594/nanomaterials-12-01499-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b89/9102195/2b825e028ff0/nanomaterials-12-01499-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b89/9102195/b69deb01125e/nanomaterials-12-01499-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b89/9102195/4edc65e9bfa6/nanomaterials-12-01499-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b89/9102195/a0a4ddcc9594/nanomaterials-12-01499-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b89/9102195/2b825e028ff0/nanomaterials-12-01499-g004.jpg

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