Electrochromic devices based on conjuated azomethines

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Functional materials with electrochemically switchable colors between their neutral and radical ion (on/off) states and capable of displaying a large palette of colours are required to meet the demands of commercial applications. Materials capable of such color switching have found uses in stealth technology, camouflage materials, textiles, curtainless windows, pricing display signs, sun roofs, electronic displays (i.e. i-phone), sunglasses, and telecommunications switches, to name but a few. Despite the many current applications using electrochromic materials, the preparation of these electrochemically induced color changing compounds is not straightforward. We have developed a series of novel compounds that can be easily prepared without the drawbacks of materials currently used in electrochromic displays. An electrochromic prototype device is proposed based on our new materials. A transmissive and flexible electrochromic device will be fabricated using our materials as the electrochromic layer. This will serve as a proof-of-concept for validating the suitability of our materials for use in electrochromic devices.