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Long-lasting moisture and anti-freezing tough organohydrogels based on multi-functional nano-micelles for flexible dual-response sensors

机译:Long-lasting moisture and anti-freezing tough organohydrogels based on multi-functional nano-micelles for flexible dual-response sensors

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摘要

Conductive hydrogels have attracted widespread attention in diverse applications. However, the fragile nature of conducting polymers hinders the long-time stability of the hydrogels. What's more, hydrogels will lose elasticity and conductivity at room temperature or sub-zero temperature because of the high water content. Herein, we proposed a long-term stable and anti-freezing organohydrogel with high stretchability (up to 1140%), which consist of multi-functional nano-micelles (Pluronic F127 diacrylate [F127DA]), Polyacrylamide, and Poly(3,4-ethylenedioxythiophene): polystryrene sulfonate (PEDOT:PSS) in a water/glycerin binary solvent system. The gel is thermal tolerant to maintain all the properties under extreme wide temperature spectrum (-40 degrees C or 60 degrees C). More importantly, the organohydrogel possesses excellent recognition capability to multiple stimuli. It is anticipated that this organohydrogel will have great potential in sensing applications.
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