Flexible Highly Sensitive Pressure Sensor Based on Ionic Liquid Gel Film

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...

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Bibliographic Details
Published in:ACS omega 2018-03, Vol.3 (3), p.3014-3021
Main Authors: Zhang, Shaohui, Wang, Fengxia, Peng, Hongdan, Yan, Jinghui, Pan, Gebo
Format: Article
Language:English
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Summary: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.
ISSN:2470-1343
2470-1343
DOI:10.1021/acsomega.7b01575