fang-multicolor-2018.pdf (1.73 MB)
Multicolor electrochromic fibers with helix-patterned electrodes
journal contribution
posted on 2018-05-01, 00:00 authored by Y Zhou, Jian Fang, Hong Wang, Hua Zhou, G Yan, Yan Zhao, L Dai, Tong LinWearable electrochromic devices with a multiple color changing effect have shown great potential for applications in the fields of displaying, decoration, safety warning, and sensors. However, limited attention is paid toward the preparation of multicolor electrochromic fiber devices. In this study, a set of electrochromic fibers which can change their color between dark red, green, and gold is prepared. The fiber devices are prepared by forming dual helix metal electrodes along a plastic fiber substrate and by subsequently depositing tungsten oxide and poly(3-methylthiophene) separately on the two electrodes. A solid electrolyte LiClO4/poly(methyl methacrylate) is used so the entire device is in the form of freestanding fiber. The reversible electrochromism is driven by a voltage between −1.5 and +1.5 V. It shows high coloration efficiency (77.82 for WO3and 54.41 cm2C−1for poly(3-methylthiophene)) and fast response (up to 5 s). The distributions of electrical potential and lithium ion on the device are analyzed by a finite element method. This study may provide a novel method to construct multifunctional fiber electronics.
History
Journal
Advanced electronic materialsVolume
4Issue
5Article number
1800104Pagination
1 - 8Publisher
John Wiley & SonsLocation
Chichester, Eng.Publisher DOI
Link to full text
eISSN
2199-160XLanguage
engPublication classification
C1 Refereed article in a scholarly journalCopyright notice
2018, WILEY-VCH Verlag GmbH & Co. KGaA, WeinheimUsage metrics
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dual helix electrodeselectrochromic fibersmulticolor fibersScience & TechnologyTechnologyPhysical SciencesNanoscience & NanotechnologyMaterials Science, MultidisciplinaryPhysics, AppliedScience & Technology - Other TopicsMaterials SciencePhysicsSOLAR-CELLSPHOTOVOLTAIC WIRESSOLID-STATEDEVICESTEXTILESYSTEM
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