MOF-on-MOF layer-coated optical fiber sensor for water vapor sensing

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Details

Original languageEnglish
Title of host publicationIntegrated Optics
Subtitle of host publicationDevices, Materials, and Technologies XXVIII
EditorsSonia M. Garcia-Blanco, Pavel Cheben
PublisherSPIE
Number of pages6
ISBN (electronic)9781510670389
Publication statusPublished - 12 Mar 2024
EventSPIE OPTO 2024 - San Francisco, United States
Duration: 27 Jan 20241 Feb 2024

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume12889
ISSN (Print)0277-786X
ISSN (electronic)1996-756X

Abstract

We present a simple optical fiber sensor with a MOF-on-MOF (Co-ZIF-90-on-ZIF-8 in this work) coating for water vapor sensing and detection, with a sensing mechanism based on the refractive index variation as a function of analyte adsorption within the MOF layer. A seeding layer approach was employed to grow the MOF-on-MOF layers with high quality for optical sensing application. The resulting sensor exhibits stable sensitivity to water vapors with excellent reversibility of vapor adsorption and desorption. The evaluated adsorption and desorption times of water vapor are approximately 48 seconds and 29 seconds, respectively. The demonstrated bi-layer MOF-based optical sensor provides the potential to further develop easy-to-fabricate sensors as well as multiplexed and distributed sensors in an inexpensive and reproducible way.

Keywords

    Co-ZIF-90, Metal-organic frameworks, MOF-on-MOF, optical fiber sensing, vapor sensing, ZIF-8

ASJC Scopus subject areas

Cite this

MOF-on-MOF layer-coated optical fiber sensor for water vapor sensing. / Zheng, Lei; Bhatia, Yash; Steinbach, Lukas et al.
Integrated Optics: Devices, Materials, and Technologies XXVIII. ed. / Sonia M. Garcia-Blanco; Pavel Cheben. SPIE, 2024. 128890W (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12889).

Research output: Chapter in book/report/conference proceedingConference contributionResearchpeer review

Zheng, L, Bhatia, Y, Steinbach, L, Schneider, A & Roth, B 2024, MOF-on-MOF layer-coated optical fiber sensor for water vapor sensing. in SM Garcia-Blanco & P Cheben (eds), Integrated Optics: Devices, Materials, and Technologies XXVIII., 128890W, Proceedings of SPIE - The International Society for Optical Engineering, vol. 12889, SPIE, SPIE OPTO 2024, San Francisco, United States, 27 Jan 2024. https://doi.org/10.1117/12.3002303
Zheng, L., Bhatia, Y., Steinbach, L., Schneider, A., & Roth, B. (2024). MOF-on-MOF layer-coated optical fiber sensor for water vapor sensing. In S. M. Garcia-Blanco, & P. Cheben (Eds.), Integrated Optics: Devices, Materials, and Technologies XXVIII Article 128890W (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12889). SPIE. https://doi.org/10.1117/12.3002303
Zheng L, Bhatia Y, Steinbach L, Schneider A, Roth B. MOF-on-MOF layer-coated optical fiber sensor for water vapor sensing. In Garcia-Blanco SM, Cheben P, editors, Integrated Optics: Devices, Materials, and Technologies XXVIII. SPIE. 2024. 128890W. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.3002303
Zheng, Lei ; Bhatia, Yash ; Steinbach, Lukas et al. / MOF-on-MOF layer-coated optical fiber sensor for water vapor sensing. Integrated Optics: Devices, Materials, and Technologies XXVIII. editor / Sonia M. Garcia-Blanco ; Pavel Cheben. SPIE, 2024. (Proceedings of SPIE - The International Society for Optical Engineering).
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abstract = "We present a simple optical fiber sensor with a MOF-on-MOF (Co-ZIF-90-on-ZIF-8 in this work) coating for water vapor sensing and detection, with a sensing mechanism based on the refractive index variation as a function of analyte adsorption within the MOF layer. A seeding layer approach was employed to grow the MOF-on-MOF layers with high quality for optical sensing application. The resulting sensor exhibits stable sensitivity to water vapors with excellent reversibility of vapor adsorption and desorption. The evaluated adsorption and desorption times of water vapor are approximately 48 seconds and 29 seconds, respectively. The demonstrated bi-layer MOF-based optical sensor provides the potential to further develop easy-to-fabricate sensors as well as multiplexed and distributed sensors in an inexpensive and reproducible way.",
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AU - Zheng, Lei

AU - Bhatia, Yash

AU - Steinbach, Lukas

AU - Schneider, Andreas

AU - Roth, Bernhard

N1 - Funding Information: The authors acknowledge the financial support from the German Research Foundation (DFG) under Germany's Excellence Strategy within the Cluster of Excellence PhoenixD (EXC 2122, Project ID 390833453).

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N2 - We present a simple optical fiber sensor with a MOF-on-MOF (Co-ZIF-90-on-ZIF-8 in this work) coating for water vapor sensing and detection, with a sensing mechanism based on the refractive index variation as a function of analyte adsorption within the MOF layer. A seeding layer approach was employed to grow the MOF-on-MOF layers with high quality for optical sensing application. The resulting sensor exhibits stable sensitivity to water vapors with excellent reversibility of vapor adsorption and desorption. The evaluated adsorption and desorption times of water vapor are approximately 48 seconds and 29 seconds, respectively. The demonstrated bi-layer MOF-based optical sensor provides the potential to further develop easy-to-fabricate sensors as well as multiplexed and distributed sensors in an inexpensive and reproducible way.

AB - We present a simple optical fiber sensor with a MOF-on-MOF (Co-ZIF-90-on-ZIF-8 in this work) coating for water vapor sensing and detection, with a sensing mechanism based on the refractive index variation as a function of analyte adsorption within the MOF layer. A seeding layer approach was employed to grow the MOF-on-MOF layers with high quality for optical sensing application. The resulting sensor exhibits stable sensitivity to water vapors with excellent reversibility of vapor adsorption and desorption. The evaluated adsorption and desorption times of water vapor are approximately 48 seconds and 29 seconds, respectively. The demonstrated bi-layer MOF-based optical sensor provides the potential to further develop easy-to-fabricate sensors as well as multiplexed and distributed sensors in an inexpensive and reproducible way.

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By the same author(s)