Highly stretchable electrochromic devices based on all-in-one plasticized PVC ionogel
발표자
()
초록
내용
All-in-one electrochromic devices (ECDs) are in significant demand for application in wearable stretchable electronics. However, current electrochromic materials are unstretchable, water-vulnerable, and prone to electrolyte leakage. Herein, to address these challenges, we report a water-resistive, leakage-free, transparent, and stretchable all-in-one plasticized polyvinyl chloride electrochromic ionogels (pECIonogels) for stretchable ECDs. A stretchable ECD was fabricated by directly coating Ag nanowires on the pECIonogel using a water-assisted pre-strain method. The stretchable ECD at 50% tensile strain exhibits slightly lower transmittance contrast, slower switching speed, and reduced effective coloration efficiency compared to the unstretched ECD. Nevertheless, the stretchable ECDs remain stable in relaxed and colored states even after being stretched, twisted, and folded. Consequently, the all-in-one pECIonogel-based ECDs can be potentially expected to be used in next-generation stretchable, wearable, and implantable electronics.