Double-Network Ionogels of High Conductivity and Transparency for Stretchable Electrodes
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초록
내용
Recently, interest in stretchable electroluminescent devices has increased strongly due to their potential applications in elastic and flexible lighting displays and illuminated wearable devices. We have prepared poly(N-isopropylacrylamide-co-N,N’-diethylacrylamide) and reinforced its structure by forming a double network structure with covalent crosslinked chitosan as its additional network. To improve the optical transmittance and ionic conductivity for stretchable electrodes of optoelectronic devices, crosslinking of chitosan was achieved through the reaction between amine in chitosan and epoxy functionalized crosslinker. The prepared ionogels exhibit high mechanical properties with enhanced transparency and ionic conductivity, which can be used as a stretchable electrode for alternating current electroluminescent devices.