Carbon nanotube-doped electric hydrogels via ultrafast laser processing and loading conductive polymer

Yufeng Tao; Xuhao Fan; Wei Xiong; Jingwei Liu; Chunsan Deng; Jing Long

doi:10.1117/12.2534013

17 May 2019 Carbon nanotube-doped electric hydrogels via ultrafast laser processing and loading conductive polymer

Yufeng Tao, Xuhao Fan, Wei Xiong, Jingwei Liu, Chunsan Deng, Jing Long

Proceedings Volume 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019); 111703U (2019) https://doi.org/10.1117/12.2534013
Event: Fourteenth National Conference on Laser Technology and Optoelectronics, 2019, Shanghai, China

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.

Citation Download Citation

Yufeng Tao, Xuhao Fan, Wei Xiong, Jingwei Liu, Chunsan Deng, and Jing Long "Carbon nanotube-doped electric hydrogels via ultrafast laser processing and loading conductive polymer", Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 111703U (17 May 2019); https://doi.org/10.1117/12.2534013

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KEYWORDS

Electronics

Polymers

Carbon

Electrodes

Photoresist materials

Capacitors

Ultrafast lasers

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