Smart sunglasses based on electrochromic polymers |
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| Authors: | Chao Ma Minoru Taya Chunye Xu |
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| Affiliation: | Center for Intelligent Materials and Systems, Materials Science and Engineering Department, University of Washington, Seattle, Washington 98115 |
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| Abstract: | Smart sunglasses based on electrochromic polymers are proposed and developed in this study. This article discusses the design, processing, and the optical and electrical performance of a prototype smart sunglasses based on cathodic electrochromic (EC) polymers, which show several merits compared with traditional materials for sunglasses lens as well as other smart window materials. It is a multilayer design of device. The conjugated polymer, poly3,3‐dimethyl‐3,4‐dihydro‐2H‐thieno 3,4‐b] 1,4]dioxepine] (PProDOT‐Me2), is utilized as the electrochromic working layer. The counter layer of the device is vanadium oxide (V2O5) film, which serves as an ion storage layer. There is also a polymer gel electrolyte acting as the ionic transport layer, sandwiched between the working and counter layers. The characteristics of the prototype device are reported, including transmittance (%T), driving power, response time, open circuit memory, and lifetime. POLYM. ENG. SCI., 2008. © 2008 Society of Plastics Engineers |
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