Mohamed Rachid Tchalala, Osama Shekhah, Youssef Belmabkhout, Hao Jiang, Khaled N. Salama and Mohamed Eddaoudi
{"title":"The deployment of an NOTT-300 (Al) MOF thin film as a NO2 capacitive sensor under ambient conditions†","authors":"Mohamed Rachid Tchalala, Osama Shekhah, Youssef Belmabkhout, Hao Jiang, Khaled N. Salama and Mohamed Eddaoudi","doi":"10.1039/D4MA00701H","DOIUrl":null,"url":null,"abstract":"<p >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 (NO<small><sub>2</sub></small>) at room temperature. The fabricated MOF-based sensor was tested and it demonstrated a significant detection sensitivity for NO<small><sub>2</sub></small> 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 NO<small><sub>2</sub></small> sensing stability and a highly desirable detection selectivity towards NO<small><sub>2</sub></small><em>vs.</em> other common gases such CO<small><sub>2</sub></small> and H<small><sub>2</sub></small>O as well.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 18","pages":" 7413-7418"},"PeriodicalIF":4.7000,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/ma/d4ma00701h?page=search","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Advances","FirstCategoryId":"1085","ListUrlMain":"https://pubs.rsc.org/en/content/articlelanding/2024/ma/d4ma00701h","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
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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