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Electrochromic/supercapacitive dual functional fibres

journal contribution
posted on 2016-01-01, 00:00 authored by Yang Zhou, Yan Zhao, Jian Fang, Tong Lin
Wearable electronics have shown great potential to improve our lifestyle and health. Most of the wearable electronics developed so far are either yarn- or fabric-based. Single fibres integrated with electronic functions are highly desirable, but remain difficult to make. Here, we prove a single fibre, which has two electronic functions electrochromism and supercapacitor, with a novel device structure and its facile preparation. The device was prepared using a template method to generate two coil electrodes on the fibre surface, followed by electrochemical deposition of poly(3,4-ethylenedioxythiophene) on the electrode surface. An overlay of solid electrolyte was applied on the whole fibre. The fibre device showed a reversible electrochromic effect with fast response time (<5 s) at a potential of 0.6 V. It had a specific capacitance of 20.3 F g-1. The two functions happened simultaneously without interference with each other. Such an electronic fibre may find applications in wearable displays, personal power supplies and protective garments.

History

Journal

RSC advances

Volume

6

Issue

111

Pagination

110164 - 110170

Publisher

Royal Society of Chemistry

Location

Cambridge, Eng.

eISSN

2046-2069

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2016, Royal Society of Chemistry