The deployment of an NOTT-300 (Al) MOF thin film as a NO2 capacitive sensor under ambient conditions

Mohamed Rachid Tchalala; Osama Shekhah; Youssef Belmabkhout; Hao Jiang; Khaled N. Salama; Mohamed Eddaoudi

doi:10.1039/d4ma00701h

The deployment of an NOTT-300 (Al) MOF thin film as a NO₂ capacitive sensor under ambient conditions

Mohamed Rachid Tchalala, Osama Shekhah, Youssef Belmabkhout, Hao Jiang, Khaled N. Salama^*, Mohamed Eddaoudi^*

^*Corresponding author for this work

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

Abstract

Herein we report on the fabrication of a metal-organic framework (MOF)-based sensor using an NOTT-300 (Al) MOF thin film, deposited as a sensing layer on an interdigitated capacitive electrode (IDE), and deploy it for the detection of nitrogen dioxide (NO₂) at room temperature. The fabricated MOF-based sensor was tested and it demonstrated a significant detection sensitivity for NO₂ with concentrations down to 250 ppb, with a lower detection limit around 4.0 ppb. The NOTT-300 (Al) MOF sensor also displayed an outstanding NO₂ sensing stability and a highly desirable detection selectivity towards NO₂vs. other common gases such CO₂ and H₂O as well.

Original language	English (US)
Pages (from-to)	7413-7418
Number of pages	6
Journal	Materials Advances
Volume	5
Issue number	18
DOIs	https://doi.org/10.1039/d4ma00701h
State	Published - Sep 2 2024

Bibliographical note

Publisher Copyright:
© 2024 RSC.

ASJC Scopus subject areas

Chemistry (miscellaneous)
General Materials Science

Access to Document

10.1039/d4ma00701h

Cite this

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title = "The deployment of an NOTT-300 (Al) MOF thin film as a NO2 capacitive sensor under ambient conditions",

abstract = "Herein we report on the fabrication of a metal-organic framework (MOF)-based sensor using an NOTT-300 (Al) MOF thin film, deposited as a sensing layer on an interdigitated capacitive electrode (IDE), and deploy it for the detection of nitrogen dioxide (NO2) at room temperature. The fabricated MOF-based sensor was tested and it demonstrated a significant detection sensitivity for NO2 with concentrations down to 250 ppb, with a lower detection limit around 4.0 ppb. The NOTT-300 (Al) MOF sensor also displayed an outstanding NO2 sensing stability and a highly desirable detection selectivity towards NO2vs. other common gases such CO2 and H2O as well.",

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AU - Tchalala, Mohamed Rachid

AU - Shekhah, Osama

AU - Belmabkhout, Youssef

AU - Jiang, Hao

AU - Salama, Khaled N.

AU - Eddaoudi, Mohamed

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AB - Herein we report on the fabrication of a metal-organic framework (MOF)-based sensor using an NOTT-300 (Al) MOF thin film, deposited as a sensing layer on an interdigitated capacitive electrode (IDE), and deploy it for the detection of nitrogen dioxide (NO2) at room temperature. The fabricated MOF-based sensor was tested and it demonstrated a significant detection sensitivity for NO2 with concentrations down to 250 ppb, with a lower detection limit around 4.0 ppb. The NOTT-300 (Al) MOF sensor also displayed an outstanding NO2 sensing stability and a highly desirable detection selectivity towards NO2vs. other common gases such CO2 and H2O as well.

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