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Carbon nanotube-doped electric hydrogels via ultrafast laser processing and loading conductive polymer
Author(s): Yufeng Tao; Xuhao Fan; Wei Xiong; Jingwei Liu; Chunsan Deng; Jing Long
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Paper Abstract

Carbon nanotube, the smallest nanoelectronic materials, has been extensively used as electric materials for chip-scale electronics due to their high electronics conductivity, desirable mechanical properties, and easy surface functionalization. Also the conductive polymer, well-known for its high work function, real-time responsiveness, easy film-formation ability and stretchability. Herein, we combine the carbon nanotube-doped hydrophilic materials with conductive polymer via two-photon hydrogelation for conductivity-tunable functional devices. Taking advantage non-covalent π-π effect, we interpenetrated π-conjugated poly (3,4-ethylenedioxythiophene) into multiwall carbon nanotube-embedded mesoscopic hydrogels, which sustains electronic conductivity, hydrogel-like mechanical properties and desirable tolerance to humid/acid environments. Some reliable, nanostructured, metal-free electronic circuits and interdigital capacitors were fabricated and identified. Carbon nanotube-doped electric hydrogels successfully breaks current limitations by making better use of two photon hydrogelation and intermolecular force with conductive polymer. Moreover, a fast-speed two-photon fluorescence imaging technique using same optical system was deployed to detect the distribution of conductive polymer around electric patterns. Keywords: multi-wall carbon nanotube, conductive polymer, two-photon hydrogelation, mesoscopic electric hydrogels.

Paper Details

Date Published: 17 May 2019
PDF: 6 pages
Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 111703U (17 May 2019); doi: 10.1117/12.2534013
Show Author Affiliations
Yufeng Tao, Huazhong Univ. of Science and Technology (China)
Xuhao Fan, Huazhong Univ. of Science and Technology (China)
Wei Xiong, Huazhong Univ. of Science and Technology (China)
Jingwei Liu, Huazhong Univ. of Science and Technology (China)
Chunsan Deng, Huazhong Univ. of Science and Technology (China)
Jing Long, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 11170:
14th National Conference on Laser Technology and Optoelectronics (LTO 2019)
Jianqiang Zhu; Weibiao Chen; Zhenxi Zhang; Minlin Zhong; Pu Wang; Jianrong Qiu, Editor(s)

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