Journal
NATURE NANOTECHNOLOGY
Volume 4, Issue 11, Pages 738-741Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/NNANO.2009.264
Keywords
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Funding
- Shanghai Pujiang Program [09PJ1401100]
- Fudan University
- US Department of Energy (Los Alamos National Laboratory Directed Research and Development Project)
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Chromatic materials such as polydiacetylene change colour in response to a wide variety of environmental stimuli, including changes in temperature, pH and chemical or mechanical stress, and have been extensively explored as sensing devices(1-4). Here, we report the facile synthesis of carbon nanotube/polydiacetylene nanocomposite fibres that rapidly and reversibly respond to electrical current, with the resulting colour change being readily observable with the naked eye. These composite fibres also chromatically respond to a broad spectrum of other stimulations. For example, they exhibit rapid and reversible stress-induced chromatism with negligible elongation. These electrochromatic nanocomposite fibres could have various applications in sensing.
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