Metal-organic framework coated planar polymer optical waveguide for carbon dioxide detection and sensing

Lei Zheng; Nils Keppler; Huajun Zhang; Axel Günther; Peter Behrens; Bernhard Roth

doi:10.1117/12.2609812

5 March 2022 Metal-organic framework coated planar polymer optical waveguide for carbon dioxide detection and sensing

Lei Zheng, Nils Keppler, Huajun Zhang, Axel Günther, Peter Behrens, Bernhard Roth

Proceedings Volume 12004, Integrated Optics: Devices, Materials, and Technologies XXVI; 1200408 (2022) https://doi.org/10.1117/12.2609812
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

We present a simple gas sensor based on planar polymer optical waveguides with MOF (ZIF-8) coating for carbon dioxide detection and sensing. The optical waveguides were made of PMMA and fabricated by hot embossing replication. A thin MOF film was uniformly grown on the waveguide sample surface through a simple solution method, which is crucial for the envisioned production of MOF-based sensing devices on large scale. The experimental results show that the produced optical elements exhibit high sensitivity and selectivity of CO₂ gas with rapid response time and excellent reversibility of adsorption and desorption of the gas molecules. The demonstrated planar polymeric sensing devices provide the potential to develop flexible onchip gas sensors in an inexpensive and reproducible way.

Conference Presentation

Citation Download Citation

Lei Zheng, Nils Keppler, Huajun Zhang, Axel Günther, Peter Behrens, and Bernhard Roth "Metal-organic framework coated planar polymer optical waveguide for carbon dioxide detection and sensing", Proc. SPIE 12004, Integrated Optics: Devices, Materials, and Technologies XXVI, 1200408 (5 March 2022); https://doi.org/10.1117/12.2609812

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