Fiber optic dimethyl methyl phosphate fiber optic sensor based on ZIF-8@Ag/PDDA composite film

被引：2
作者：
Chen, Yuhao [1 ]
Yang, Xiaozhan [2 ]
机构：
[1] Chongqing Univ Technol, Sch Sci, Chongqing 400054, Peoples R China
[2] Chongqing Key Lab Green Energy Mat Technol & Syst, Chongqing 400054, Peoples R China
来源：
OPTICAL FIBER TECHNOLOGY | 2024年 / 83卷
基金：
中国国家自然科学基金;
关键词：
Fiber optic sensing; Dimethyl methyl phosphate; Michelson interference; ZIF-8@Ag; METAL-ORGANIC FRAMEWORKS; NERVE AGENT SIMULANT; MICHELSON INTERFEROMETER; CHEMICAL SENSORS; DMMP; ZIF-8; EFFICIENT;
D O I：
10.1016/j.yofte.2024.103671
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A Michelson interference dimethyl methyl phosphate (DMMP) fiber sensor with a single -mode (SMF)-dislocated single -mode (DSMF)-hollow-core fiber (HCF) structure is proposed. To fabricate the Michelson interference structure of SMF-DSMF-HCF, one end of the DSMF was misaligned and fused to the SMF, the other end was fused to the HCF to generate a reflective surface. The structure, elemental composition, and surface morphology of ZIF8@Ag were analyzed using X-ray diffraction, X-ray photoelectron spectroscopy, and scanning electron microscopy after the ZIF-8@Ag/PDDA composite was coated on the surface of DSMF. The result shows that the sensitivity and the detection limit of the sensor are 45.71 dB/ppm and 0.1431 ppb, respectively, and the response/recovery time is around 14/12 s. The sensor also has excellent selectivity and stability.
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页数：8
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