TY - JOUR
T1 - Paper-Based Disposable Molecular Sensor Constructed from Oxide Nanowires, Cellulose Nanofibers, and Pencil-Drawn Electrodes
AU - Koga, Hirotaka
AU - Nagashima, Kazuki
AU - Huang, Yintong
AU - Zhang, Guozhu
AU - Wang, Chen
AU - Takahashi, Tsunaki
AU - Inoue, Akihide
AU - Yan, Hong
AU - Kanai, Masaki
AU - He, Yong
AU - Uetani, Kojiro
AU - Nogi, Masaya
AU - Yanagida, Takeshi
N1 - Funding Information:
This work was partially supported by Grants-in-Aid for Scientific Research (Grant Nos. 26220908 to M.N., No. 18H02256 to H.K., No.18H01831 to K.N., No.18H05243 to T.Y., and No.17H04927 to T.T.) from the Japan Society for the Promotion of Science, by the JST-Mirai R&D Program (Grant No. JPMJMI17ED to M.N.) of the Japan Science and Technology Agency, and by the Cooperative Research Program “CORE Lab” of Network Joint Research Center for Materials and Devices: Dynamic Alliance for Open Innovation Bridging Human, Environment and Materials (H.K.). K.N. was supported by the MEXT Project of Integrated Research Consortium on Chemical Sciences. K.N. acknowledges IMRA Japan Co. Ltd. for financial support. T.Y. and K.N. were supported by CAS-JSPS Joint Research Projects (Grant No. GJHZ1891). We thank Andrew Jackson, Ph.D., from Edanz Group (www.edanzediting.com/ac) for editing a draft of this manuscript.
Publisher Copyright:
© 2019 American Chemical Society.
PY - 2019/4/24
Y1 - 2019/4/24
N2 - 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.
AB - 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.
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U2 - 10.1021/acsami.9b01287
DO - 10.1021/acsami.9b01287
M3 - Article
C2 - 30942067
AN - SCOPUS:85064972034
VL - 11
SP - 15044
EP - 15050
JO - ACS applied materials & interfaces
JF - ACS applied materials & interfaces
SN - 1944-8244
IS - 16
ER -