Letter abstract
Nature Nanotechnology 4, 738 - 741 (2009)
Published online: 13 September 2009 | Corrected online: 27 September 2009 | doi:10.1038/nnano.2009.264
Subject Categories: Electronic properties and devices | Nanomaterials | Organic-inorganic nanostructures
Electrochromatic carbon nanotube/polydiacetylene nanocomposite fibres
Huisheng Peng1, Xuemei Sun1, Fangjing Cai1, Xuli Chen1, Yinchao Zhu1, Guipan Liao1, Daoyong Chen1, Qingwen Li2, Yunfeng Lu3, Yuntian Zhu4 & Quanxi Jia5
Abstract
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 devices1, 2, 3, 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.
- Key Laboratory of Molecular Engineering of Polymers of Ministry of Education, Laboratory of Advanced Materials and Department of Macromolecular Science, Fudan University, Shanghai 200438, China
- Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215125, China
- Department of Chemical and Biomolecular Engineering, The University of California at Los Angeles, California 90095, USA
- Department of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695, USA
- Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
Correspondence to: Huisheng Peng1 e-mail: penghs@fudan.edu.cn
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