Ionotactile Stimulation: Nonvolatile Ionic Gels for Human-Machine Interfaces.

Ionotactile Stimulation: Nonvolatile Ionic Gels for Human-Machine Interfaces.
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DOI:
10.1021/acsomega.7b01773
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发表时间:
2018-01-31
期刊:
影响因子:
4.1
通讯作者:
Lipomi DJ
Lipomi DJ
中科院分区:
化学3区
文献类型:
--
作者:
Root SE;Carpenter CW;Kayser LV;Rodriquez D;Davies DM;Wang S;Tan STM;Meng YS;Lipomi DJ

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We report the application of a nonvolatile ionic gel as a soft, conductive interface for electrotactile stimulation. Materials characterization reveals that, compared to a conventional ionic hydrogel, a glycerol-containing ionic gel does not dry out in air, has better adhesion to skin, and exhibits a similar impedance spectrum in the range of physiological frequencies. Moreover, psychophysical experiments reveal that the nonvolatile gel also exhibits a wider window of comfortable electrotactile stimulation. Finally, a simple pixelated device is fabricated to demonstrate spatial resolution of the haptic signal.
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