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Bipolar Electrode-based Electrochromic Devices for Analytical Applications – A Review |
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| Authors: | Siti Masturah binti Fakhruddin Kosuke Ino Kumi Y Inoue Yuji Nashimoto Hitoshi Shiku |
| Institution: | 1. Graduate School of Environmental Studies, Tohoku University, Sendai, 980-8579 Japan;2. Graduate School of Engineering, Tohoku University, Sendai, 980-8579 Japan;3. Graduate School of Environmental Studies, Tohoku University, Sendai, 980-8579 Japan
Center for Basic Education, Faculty of Engineering, Graduate Faculty of Interdisciplinary Research, University of Yamanashi, Kofu, 400-8511 Japan;4. Graduate School of Engineering, Tohoku University, Sendai, 980-8579 Japan Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai, 980-8578 Japan |
| Abstract: | Bipolar electrode-based (BPE-based) electrochromic devices have garnered increasing attention in the past decade. These BPE-based electrochromic devices have been used for analytical health monitoring, point-of-care (POC) diagnostics, and chemical sensing. In this review, we highlight recent progress made regarding BPE-based electrochromic devices constructed for these analytical applications. Various, available electrochromic materials are summarized in the first section, after which the different device types (e. g., paper-based and self-powered) are discussed. Biological- and chemical-based analytical demonstrations of these devices are then reviewed. Finally, we conclude this review with a perspective on the future developments of BPE-based electrochromic devices in analytical applications. |
| Keywords: | bipolar electrochemistry electrochromic materials point-of-care testing colorimetric/visual detection biosensors |