Paper-Based Disposable Molecular Sensor Constructed from Oxide Nanowires, Cellulose Nanofibers, and Pencil-Drawn Electrodes

Hirotaka Koga, Kazuki Nagashima, Yintong Huang, Guozhu Zhang, Chen Wang, Tsunaki Takahashi, Akihide Inoue, Hong Yan, Masaki Kanai, Yong He, Kojiro Uetani, Masaya Nogi, Takeshi Yanagida

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Progress toward the concept of "a trillion sensor universe" requires sensor devices to become more abundant, ubiquitous, and be potentially disposable. Here, we report a paper-based disposable molecular sensor device constructed from a nanowire sensor based on common zinc oxide (ZnO), a wood-derived biodegradable cellulose nanofiber paper substrate, and a low-cost graphite electrode. The ZnO nanowire/cellulose nanofiber composite structure is embedded in the surface of the cellulose nanofiber paper substrate via a two-step papermaking process. This structure provides a mechanically robust and efficiently bridged network for the nanowire sensor, while ensuring efficient access to target molecules and allowing reliable electrical contact with electrodes. The as-fabricated paper sensor device with pencil-drawn graphite electrodes exhibits efficient resistance change-based molecular sensing of NO 2 as a model gas. The performance of our device is comparable to that of noble metal electrodes. Furthermore, we demonstrate cut-and-paste usability and easy disposal of the sensor device with its uniform in-plane sensing properties. Our strategy offers a disposable molecular sensing platform for use in future sensor network technologies.

Original languageEnglish
Pages (from-to)15044-15050
Number of pages7
JournalACS Applied Materials and Interfaces
Volume11
Issue number16
DOIs
Publication statusPublished - Apr 24 2019

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Nanofibers
Cellulose
Oxides
Nanowires
Electrodes
Sensors
Zinc Oxide
Graphite electrodes
Zinc oxide
Papermaking
Substrates
Precious metals
Ointments
Composite structures
Sensor networks
Wood
Gases
Molecules
Costs

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Paper-Based Disposable Molecular Sensor Constructed from Oxide Nanowires, Cellulose Nanofibers, and Pencil-Drawn Electrodes. / Koga, Hirotaka; Nagashima, Kazuki; Huang, Yintong; Zhang, Guozhu; Wang, Chen; Takahashi, Tsunaki; Inoue, Akihide; Yan, Hong; Kanai, Masaki; He, Yong; Uetani, Kojiro; Nogi, Masaya; Yanagida, Takeshi.

In: ACS Applied Materials and Interfaces, Vol. 11, No. 16, 24.04.2019, p. 15044-15050.

Research output: Contribution to journalArticle

Koga, H, Nagashima, K, Huang, Y, Zhang, G, Wang, C, Takahashi, T, Inoue, A, Yan, H, Kanai, M, He, Y, Uetani, K, Nogi, M & Yanagida, T 2019, 'Paper-Based Disposable Molecular Sensor Constructed from Oxide Nanowires, Cellulose Nanofibers, and Pencil-Drawn Electrodes', ACS Applied Materials and Interfaces, vol. 11, no. 16, pp. 15044-15050. https://doi.org/10.1021/acsami.9b01287
Koga, Hirotaka ; Nagashima, Kazuki ; Huang, Yintong ; Zhang, Guozhu ; Wang, Chen ; Takahashi, Tsunaki ; Inoue, Akihide ; Yan, Hong ; Kanai, Masaki ; He, Yong ; Uetani, Kojiro ; Nogi, Masaya ; Yanagida, Takeshi. / Paper-Based Disposable Molecular Sensor Constructed from Oxide Nanowires, Cellulose Nanofibers, and Pencil-Drawn Electrodes. In: ACS Applied Materials and Interfaces. 2019 ; Vol. 11, No. 16. pp. 15044-15050.
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