Surface plasmon resonance sensor of hollow microstructure fiber based on ZIF-8 thin film

An annular hollow microstructured fiber surface plasmon resonance (SPR) sensor based on ZIF-8 film is proposed for the measurement of CO2 concentration in air. Internal detection is adopted to enhance the spectral response to CO2 gas, and nano-gold pillars are embedded on both sides of the channel....

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Bibliographic Details
Published in:Optik (Stuttgart) 2024-09, Vol.312, p.171957, Article 171957
Main Authors: Mao, Jiubing, She, Yulai, Ling, Tiansheng, Guo, Yuanxing, Xu, Mingjun, Huang, Yangming, Qin, Siqing
Format: Article
Language:English
Subjects:
CO2
PCF-SPR
Sensor
ZIF-8
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Summary:An annular hollow microstructured fiber surface plasmon resonance (SPR) sensor based on ZIF-8 film is proposed for the measurement of CO2 concentration in air. Internal detection is adopted to enhance the spectral response to CO2 gas, and nano-gold pillars are embedded on both sides of the channel. The geometric parameters of the sensor are optimized to achieve an average sensitivity of 1.01 nm/% over the range of CO2 concentration from 0% to 100%. The results indicate that the sensor is a promising SPR gas sensor with great potential in CO2 detection applications. [Display omitted] •Developed a ZIF-8 nanomembrane fiber sensor for CO2 measurement.•Used nano-gold pillars for enhanced spectral response.•Achieved 1.01 nm/% sensitivity for CO2 concentration.
ISSN:0030-4026
DOI:10.1016/j.ijleo.2024.171957