Preparation of a stretchable/transparent/adhesive deep eutectic gel and its application in flexible sensors
A type of deep eutectic gel P(AADES/MADES-n)was prepared by in situ photo-polymerization using acrylic acid(AA),malic acid(MA)and choline chloride(ChCl)as raw materials.The structure,transparency,mechanical properties and strain sensing performance of P(AADES/MADES-n)were characterized by Fourier infrared spectroscopy(FTIR),UV-Vis spectroscopy,elongation at break and resistance change rate,respectively.The results show that P(AADES/MADES-50)exhibits the characteristics of high transparency(visible light transmittance is 91％),high tensile property(elongation at break is 1 300％),strong adhesion(adhesion to aluminum is 270 kPa),high ionic conductivity(3.2 × 10-3S/m)and good mechanical recovery.P(AADES/MADES-50)has a sensitive and stable resistance response as a resistive sensor and shows excellent performance for real-time monitoring of human motion by fast,repeated and stable detection of the bending and straightening of different parts of a hand,which has a wide range of application prospects in the field of motion sensor.
deep eutectic gelflexible sensorstretchabilityhigh transparencystrong adhesion
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NSTL
万方数据
维普
