Environmental Response Sensors Produced Using Bilayer-Type Organic Semiconductors

Shunto Arai

doi:10.20965/jrm.2022.p0257

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JRM Vol.34 No.2 pp. 257-259

doi: 10.20965/jrm.2022.p0257

(2022)

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Environmental Response Sensors Produced Using Bilayer-Type Organic Semiconductors

Shunto Arai

The University of Tokyo
7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan

Received:

September 5, 2021

Accepted:

September 14, 2021

Published:

April 20, 2022

Keywords:

chemical sensor, molecular bilayer, organic semiconductor, organic transistor, printed electronics

Abstract

In this study, we developed environmental gas sensors based on bilayer-type organic semiconductors. The number of stacked molecular bilayers was controlled through a solution-based approach. In particular, single molecular bilayers (SMBs) were produced through a geometrical frustration method that can effectively suppress the multiple stacking of bilayers. The layer number-controlled films were utilized to form thin-film transistors (TFTs) to detect the moisture in the air. We revealed that the sensitivity was enhanced in the SMB-based TFTs compared with the TFTs with thicker active layers. These findings are expected to facilitate a new route for producing flexible and lightweight chemical sensors.

Ultra-thin semiconductors enhance the sensitivity of sensors

Cite this article as:

S. Arai, “Environmental Response Sensors Produced Using Bilayer-Type Organic Semiconductors,” J. Robot. Mechatron., Vol.34 No.2, pp. 257-259, 2022.

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References

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[5] B. Peng, S. Huang, Z. Zhou, and P. K. L. Chan, “Solution-Processed Monolayer Organic Crystals for High-Performance Field-Effect Transistors and Ultrasensitive Gas Sensors,” Adv. Funct. Mater., Vol.27, 1700999, 2017.
[6] S. Arai, S. Inoue, T. Hamai, R. Kumai, and T. Hasegawa, “Semiconductive Single Molecular Bilayers Realized Using Geometrical Frustration,” Adv. Mater., Vol.30, 1707256, 2018.
[7] S. Arai, K. Morita, J. Tsutsumi, S. Inoue, M. Tanaka, and T. Hasegawa, “Layered-Herringbone Polymorphs and Alkyl-Chain Ordering in Molecular Bilayer Organic Semiconductors,” Adv. Funct. Mater., Vol.30, 1906406, 2020.
[8] S. Inoue, S. Shinamura, Y. Sadamitsu, S. Arai, S. Horiuchi, M. Yoneya, K. Takimiya, and T. Hasegawa, “Extended and Modulated Thienothiophenes for Thermally Durable and Solution-Processable Organic Semiconductors,” Chem. Mater., Vol.30, pp. 5050-5060, 2018.
[9] G. Kitahara, S. Inoue, T. Higashino, M. Ikawa, T. Hayashi, S. Matsuoka, S. Arai, and T. Hasegawa, “Meniscus-controlled printing of single-crystal interfaces showing extremely sharp switching transistor operation,” Sci. Adv., Vol.6, eabc8847, 2020.
[10] T. Hamai, S. Arai, H. Minemawari, S. Inoue, R. Kumai, and T. Hasegawa, “Tunneling and Origin of Large Access Resistance in Layered-Crystal Organic Transistors,” Phys. Rev. Appl., Vol.8, 054011, 2017.

This article is published under a Creative Commons Attribution-NoDerivatives 4.0 Internationa License.

[1] [1] H. Matsuo, Y. Furusawa, M. Imanishi, S. Uchida, and K. Hayashi, “Optical Odor Imaging by Fluorescence Probes,” J. Robot. Mechatron., Vol.24, No.1, pp. 47-54, 2012.

[2] [2] P. Lin and F. Yan, “Organic Thin-Film Transistors for Chemical and Biological Sensing,” Adv. Mater., Vol.24, pp. 34-51, 2012.

[3] [3] R. Kubota, Y. Sasaki, T. Minamiki, and T. Minami, “Chemical Sensing Platforms Based on Organic Thin-Film Transistors Functionalized with Artificial Receptors,” ACS Sens., Vol.4, pp. 2571-2587, 2019.

[4] [4] Q. Meng, F. Zhang, Y. Zang, D. Huang, Y. Zou, J. Liu, G. Zhao, Z. Wang, D. Ji, C. Di, W. Hu, and D. Zhu, “Solution-sheared ultrathin films for highly-sensitive ammonia detection using organic thin-film transistors,” J. of Mater. Chem. C, Vol.2, pp. 1264-1269, 2014.

[5] [5] B. Peng, S. Huang, Z. Zhou, and P. K. L. Chan, “Solution-Processed Monolayer Organic Crystals for High-Performance Field-Effect Transistors and Ultrasensitive Gas Sensors,” Adv. Funct. Mater., Vol.27, 1700999, 2017.

[6] [6] S. Arai, S. Inoue, T. Hamai, R. Kumai, and T. Hasegawa, “Semiconductive Single Molecular Bilayers Realized Using Geometrical Frustration,” Adv. Mater., Vol.30, 1707256, 2018.

[7] [7] S. Arai, K. Morita, J. Tsutsumi, S. Inoue, M. Tanaka, and T. Hasegawa, “Layered-Herringbone Polymorphs and Alkyl-Chain Ordering in Molecular Bilayer Organic Semiconductors,” Adv. Funct. Mater., Vol.30, 1906406, 2020.

[8] [8] S. Inoue, S. Shinamura, Y. Sadamitsu, S. Arai, S. Horiuchi, M. Yoneya, K. Takimiya, and T. Hasegawa, “Extended and Modulated Thienothiophenes for Thermally Durable and Solution-Processable Organic Semiconductors,” Chem. Mater., Vol.30, pp. 5050-5060, 2018.

[9] [9] G. Kitahara, S. Inoue, T. Higashino, M. Ikawa, T. Hayashi, S. Matsuoka, S. Arai, and T. Hasegawa, “Meniscus-controlled printing of single-crystal interfaces showing extremely sharp switching transistor operation,” Sci. Adv., Vol.6, eabc8847, 2020.

[10] [10] T. Hamai, S. Arai, H. Minemawari, S. Inoue, R. Kumai, and T. Hasegawa, “Tunneling and Origin of Large Access Resistance in Layered-Crystal Organic Transistors,” Phys. Rev. Appl., Vol.8, 054011, 2017.