Flexible Highly Sensitive Pressure Sensor Based on Ionic Liquid Gel Film | Zendy

Shaohui Zhang | Zendy; Feng-Xia Wang | Zendy; Hong-Dan Peng | Zendy; Jinghui Yan | Zendy; GeBo Pan | Zendy

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Flexible Highly Sensitive Pressure Sensor Based on Ionic Liquid Gel Film

Author(s) -

Shaohui Zhang,

Feng-Xia Wang,

Hong-Dan Peng,

Jinghui Yan,

GeBo Pan

Publication year - 2018

Publication title -

acs omega

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.7b01575

Subject(s) - materials science , torsion (gastropod) , ionic liquid , composite material , polymerization , pressure sensor , bending , nanotechnology , polymer , mechanical engineering , chemistry , catalysis , medicine , biochemistry , surgery , engineering

Flexible, semitransparent ionic liquid gel (ionogels) film was first fabricated by in situ polymerization. The optimized ionogels exhibited excellent mechanical properties, high conductivity, and force sensing characteristics. The multifunctional sensor based on the ionogel film was constructed and provided the high sensitivity of 15.4 kPa -1 and wide detection range sensing from 5 Pa to 5 kPa. Moreover, the aforementioned sensor demonstrated excellent mechanical stability against repeated external deformations (for 3000 cycles under 90° bending). Importantly, the sensor showed advantages in detection of environmental changes to the external stimulus of subtle signals, including a rubber blower blowing the sensor, gently touching, torsion, and bending.

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