Simple fabrication method of flexible carbon nanotube electrodes using inkjet and transfer printing methods for dopamine detection

Hyesung Lee; Sang Yup Lee

doi:10.1016/j.jtice.2018.03.031

Simple fabrication method of flexible carbon nanotube electrodes using inkjet and transfer printing methods for dopamine detection

Hyesung Lee, Sang Yup Lee

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

Modern light wearable electrical devices require flexible, conductive materials for the development of portable and/or wearable devices. In this study, a flexible carbon nanotube (CNT) electrode is prepared, and the conductive CNTs are deposited on a flexible polydimethylsiloxane (PDMS) substrate using a combination of inkjet printing and transfer printing methods. Aqueous CNT ink is printed on a commercial overhead projector film. The subsequent deposition of a thin PDMS layer and peeling the layer off resulted in the production of a flexible PDMS film with conductive CNT patterns. The thickness of the prepared electrode increased by ∼1.2 µm after every 10 prints, and the sheet resistance decreased rapidly from 14.7 MΩ/sq to 913 kΩ/sq after 20 and 50 prints, respectively. The construction of a simple foldable electrical circuit and its application to the electrochemical sensing of dopamine using flexible electrodes are demonstrated. These flexible electrodes can be easily fabricated while displaying designer functionality.

Original language	English
Pages (from-to)	63-71
Number of pages	9
Journal	Journal of the Taiwan Institute of Chemical Engineers
Volume	92
DOIs	https://doi.org/10.1016/j.jtice.2018.03.031
Publication status	Published - 2018 Nov

Bibliographical note

Funding Information:
This work was supported by the Korean Research Foundation Grant funded by the Korean government (MOEHRD)(NRF-2014K2A1B8046967) and by the Human Resources Program in Energy Technology of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), which is a granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea. (No. 20174010201640).

Publisher Copyright:
© 2018 Taiwan Institute of Chemical Engineers

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)

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10.1016/j.jtice.2018.03.031

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title = "Simple fabrication method of flexible carbon nanotube electrodes using inkjet and transfer printing methods for dopamine detection",

abstract = "Modern light wearable electrical devices require flexible, conductive materials for the development of portable and/or wearable devices. In this study, a flexible carbon nanotube (CNT) electrode is prepared, and the conductive CNTs are deposited on a flexible polydimethylsiloxane (PDMS) substrate using a combination of inkjet printing and transfer printing methods. Aqueous CNT ink is printed on a commercial overhead projector film. The subsequent deposition of a thin PDMS layer and peeling the layer off resulted in the production of a flexible PDMS film with conductive CNT patterns. The thickness of the prepared electrode increased by ∼1.2 µm after every 10 prints, and the sheet resistance decreased rapidly from 14.7 MΩ/sq to 913 kΩ/sq after 20 and 50 prints, respectively. The construction of a simple foldable electrical circuit and its application to the electrochemical sensing of dopamine using flexible electrodes are demonstrated. These flexible electrodes can be easily fabricated while displaying designer functionality.",

author = "Hyesung Lee and Lee, {Sang Yup}",

note = "Funding Information: This work was supported by the Korean Research Foundation Grant funded by the Korean government (MOEHRD)(NRF-2014K2A1B8046967) and by the Human Resources Program in Energy Technology of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), which is a granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea. (No. 20174010201640). Publisher Copyright: {\textcopyright} 2018 Taiwan Institute of Chemical Engineers",

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PY - 2018/11

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N2 - Modern light wearable electrical devices require flexible, conductive materials for the development of portable and/or wearable devices. In this study, a flexible carbon nanotube (CNT) electrode is prepared, and the conductive CNTs are deposited on a flexible polydimethylsiloxane (PDMS) substrate using a combination of inkjet printing and transfer printing methods. Aqueous CNT ink is printed on a commercial overhead projector film. The subsequent deposition of a thin PDMS layer and peeling the layer off resulted in the production of a flexible PDMS film with conductive CNT patterns. The thickness of the prepared electrode increased by ∼1.2 µm after every 10 prints, and the sheet resistance decreased rapidly from 14.7 MΩ/sq to 913 kΩ/sq after 20 and 50 prints, respectively. The construction of a simple foldable electrical circuit and its application to the electrochemical sensing of dopamine using flexible electrodes are demonstrated. These flexible electrodes can be easily fabricated while displaying designer functionality.

AB - Modern light wearable electrical devices require flexible, conductive materials for the development of portable and/or wearable devices. In this study, a flexible carbon nanotube (CNT) electrode is prepared, and the conductive CNTs are deposited on a flexible polydimethylsiloxane (PDMS) substrate using a combination of inkjet printing and transfer printing methods. Aqueous CNT ink is printed on a commercial overhead projector film. The subsequent deposition of a thin PDMS layer and peeling the layer off resulted in the production of a flexible PDMS film with conductive CNT patterns. The thickness of the prepared electrode increased by ∼1.2 µm after every 10 prints, and the sheet resistance decreased rapidly from 14.7 MΩ/sq to 913 kΩ/sq after 20 and 50 prints, respectively. The construction of a simple foldable electrical circuit and its application to the electrochemical sensing of dopamine using flexible electrodes are demonstrated. These flexible electrodes can be easily fabricated while displaying designer functionality.

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Simple fabrication method of flexible carbon nanotube electrodes using inkjet and transfer printing methods for dopamine detection

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Bibliographical note

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