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Cascade Reaction-Based Chemiresistive Array for Ethylene Sensing

Cite this: ACS Sens. 2020, 5, 5, 1405–1410
Publication Date (Web):May 11, 2020
Copyright © 2020 American Chemical Society

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    Abstract Image

    Chemiresistive sensors, which are based on semiconducting materials, offer real-time monitoring of environment. However, detection of nonpolar chemical substances is often challenging because of the weakness of the doping effect. Herein, we report a concept of combining a cascade reaction (CR) and a chemiresistive sensor array for sensitive and selective detection of a target analyte (herein, ethylene in air). Ethylene was converted to acetaldehyde through a Pd-catalyzed heterogeneous Wacker reaction at 40 °C, followed by condensation with hydroxylamine hydrochloride to emit HCl vapor. HCl works as a strong dopant for single-walled carbon nanotubes (SWCNTs), enabling the main sensor to detect ethylene with excellent sensitivity (10.9% ppm–1) and limit of detection (0.2 ppm) in 5 min. False responses that occur in the main sensor are easily discriminated by reference sensors that partially employ CR. Moreover, though the sensor monitors the variation of normalized electric resistance (ΔR/R0) in the SWCNT network, temporary deactivation of CR yields a sensor system that does not require analyte-free air for a baseline correction (i.e., estimation of R0) and recovery of response. The concept presented here is generally applicable and offers a solution for several issues that are inherently present in chemiresistive sensing systems.

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    Cited By

    This article is cited by 13 publications.

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    7. Young Kook Moon, Ju Hyeong Kim, Seong-Yong Jeong, Soo Min Lee, Seon Ju Park, Tae Hyun Kim, Jong-Heun Lee, Yun Chan Kang. Exclusive detection of ethylene using metal oxide chemiresistors with a Pd–V 2 O 5 –TiO 2 yolk–shell catalytic overlayer via heterogeneous Wacker oxidation. Journal of Materials Chemistry A 2023, 11 (2) , 666-675.
    8. Xiaohu Chen, Ryan Wreyford, Noushin Nasiri. Recent Advances in Ethylene Gas Detection. Materials 2022, 15 (17) , 5813.
    9. Masaki Yumoto, Yasushi Kawata, Tetsuya Abe, Tomoki Matsuyama, Satoshi Wada. Non-destructive mid-IR spectroscopy with quantum cascade laser can detect ethylene gas dynamics of apple cultivar ‘Fuji’ in real time. Scientific Reports 2021, 11 (1)
    10. Xin Li, Yanli Lu, Qingjun Liu. Electrochemical and optical biosensors based on multifunctional MXene nanoplatforms: Progress and prospects. Talanta 2021, 235 , 122726.
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    12. Aishwaryadev Banerjee, Chayanjit Ghosh, Shakir-ul Haque Khan, Adwait Deshpande, Erfan Pourshaban, Mohit U. Karkhanis, Seungbeom Noh, Hanseup Kim, Carlos H. Mastranoelo. Chemocapacitive Detection of Ethylene Using Potassium Permanganate/Polyimide Composite Thin-Films. 2021, 851-854.
    13. Petr Kuberský, Jiří Navrátil, Tomáš Syrový, Petr Sedlák, Stanislav Nešpůrek, Aleš Hamáček. An Electrochemical Amperometric Ethylene Sensor with Solid Polymer Electrolyte Based on Ionic Liquid. Sensors 2021, 21 (3) , 711.

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