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Ozone-assisted cataluminescence sensor based on morphology-controlled TiO2@Mg-MOF-74 composite for rapid detection of N-hexane.

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Title: Ozone-assisted cataluminescence sensor based on morphology-controlled TiO2@Mg-MOF-74 composite for rapid detection of N-hexane.
Authors: Shi, Zhaoxia1 (AUTHOR) shizhaoxia@sqnu.edu.cn, Luo, Zhen2 (AUTHOR), Liu, Yilu1 (AUTHOR), Liu, Zi1 (AUTHOR), Chen, Xinyue1 (AUTHOR), Zhang, Yintang1,3 (AUTHOR), Zhou, Yanli1 (AUTHOR), Xu, Maotian1 (AUTHOR)
Source: Microchimica Acta. Aug2025, Vol. 192 Issue 8, p1-12. 12p.
Subjects: Hexane, Catalytic activity, Air quality monitoring, Composite materials, Detectors
Abstract: Four different morphologies of TiO2 were successfully synthesized and the morphological dependence of the catalytic performance was investigated for monitoring of n-hexane. TiO2 nanotubes showed the best catalytic performance for the cataluminescence (CTL) reaction of n-hexane because of their high specific surface area and ordered arrangement. To further enhance catalytic activity, a TiO2 nanotube@Mg-MOF-74 composite was synthesized, which was used to construct a CTL sensor for rapid detection of n-hexane rapidly; the introduction of Mg-MOF-74 improved the adsorption capacity and selectivity. A CTL sensor was constructed based on TiO2 nanotube@Mg-MOF-74 for the rapid detection of n-hexane, Under the optimal conditions there was a good linear relationship between CTL signal intensity and the concentration of n-hexane in the range 0.20–200.0 mg/L. The detection limit (LOD, S/N = 3) was 0.08 mg/L. The RSD values for 11 consecutive measurements using the same sensor and 7 different sensors were 2.8% (n = 11) and 3.5% (n = 7), respectively, demonstrating good repeatability and reproducibility. Finally, the sensor was used to detect n-hexane in air samples from different workplaces, with recoveries ranging from 90.2 to 106.4%, showing good accuracy. Thus, the developed CTL sensor could be used for rapid detection of n-hexane in air, avoiding damage to health caused by excessive inhalation. [ABSTRACT FROM AUTHOR]
Copyright of Microchimica Acta is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 187261726
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PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Ozone-assisted cataluminescence sensor based on morphology-controlled TiO<subscript>2</subscript>@Mg-MOF-74 composite for rapid detection of N-hexane.
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  Data: <searchLink fieldCode="AR" term="%22Shi%2C+Zhaoxia%22">Shi, Zhaoxia</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> shizhaoxia@sqnu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Luo%2C+Zhen%22">Luo, Zhen</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Yilu%22">Liu, Yilu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Zi%22">Liu, Zi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Xinyue%22">Chen, Xinyue</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Yintang%22">Zhang, Yintang</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Yanli%22">Zhou, Yanli</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Maotian%22">Xu, Maotian</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Microchimica+Acta%22">Microchimica Acta</searchLink>. Aug2025, Vol. 192 Issue 8, p1-12. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Hexane%22">Hexane</searchLink><br /><searchLink fieldCode="DE" term="%22Catalytic+activity%22">Catalytic activity</searchLink><br /><searchLink fieldCode="DE" term="%22Air+quality+monitoring%22">Air quality monitoring</searchLink><br /><searchLink fieldCode="DE" term="%22Composite+materials%22">Composite materials</searchLink><br /><searchLink fieldCode="DE" term="%22Detectors%22">Detectors</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Four different morphologies of TiO2 were successfully synthesized and the morphological dependence of the catalytic performance was investigated for monitoring of n-hexane. TiO2 nanotubes showed the best catalytic performance for the cataluminescence (CTL) reaction of n-hexane because of their high specific surface area and ordered arrangement. To further enhance catalytic activity, a TiO2 nanotube@Mg-MOF-74 composite was synthesized, which was used to construct a CTL sensor for rapid detection of n-hexane rapidly; the introduction of Mg-MOF-74 improved the adsorption capacity and selectivity. A CTL sensor was constructed based on TiO2 nanotube@Mg-MOF-74 for the rapid detection of n-hexane, Under the optimal conditions there was a good linear relationship between CTL signal intensity and the concentration of n-hexane in the range 0.20–200.0 mg/L. The detection limit (LOD, S/N = 3) was 0.08 mg/L. The RSD values for 11 consecutive measurements using the same sensor and 7 different sensors were 2.8% (n = 11) and 3.5% (n = 7), respectively, demonstrating good repeatability and reproducibility. Finally, the sensor was used to detect n-hexane in air samples from different workplaces, with recoveries ranging from 90.2 to 106.4%, showing good accuracy. Thus, the developed CTL sensor could be used for rapid detection of n-hexane in air, avoiding damage to health caused by excessive inhalation. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Microchimica Acta is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Type: general
      – SubjectFull: Catalytic activity
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      – SubjectFull: Air quality monitoring
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      – SubjectFull: Composite materials
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      – TitleFull: Ozone-assisted cataluminescence sensor based on morphology-controlled TiO2@Mg-MOF-74 composite for rapid detection of N-hexane.
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              M: 08
              Text: Aug2025
              Type: published
              Y: 2025
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