Formic acid gas sensor based on coreless optical fiber coated by molybdenum disulfide nanosheet

被引：15
作者：
Chen, Gaoliang [1 ]
Li, Jin [1 ,2 ,3 ]
Meng, Fanli [1 ]
机构：
[1] Northeastern Univ, Coll Informat Sci & Engn, Shenyang 110819, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Appl Opt, Changchun 130033, Peoples R China
[3] Hebei Key Lab Micronano Precis Opt Sensing & Meas, Qinhuangdao 066004, Hebei, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2022年 / 896卷
基金：
国家重点研发计划;
关键词：
Formic acid gas; No-core fiber; Molybdenum disulfide nanosheets; Room temperature; Sensitivity; EXFOLIATION; POLYANILINE; HUMIDITY; VAPOR; DOTS;
D O I：
10.1016/j.jallcom.2021.163063
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Y Molybdenum disulfide (MoS2) nanosheets were prepared by the method of liquid phase ultrasonic se-paration. It is coated on the surface of single mode-no-core-single mode (SNS) fiber structure by drip coating method, which realizes the detection of formic acid gas under room temperature. The corresponding sensing performance has been discussed in the concentration range of 0-250 ppm and 0-1100 ppm, respectively. The good selectivity, repeatability and response/recovery characteristics have been experimentally demonstrated and used for exploring an effect method to greatly improve the sensitivity of the formic acid gas sensor. This passive optical fiber probe has the promising potential application in medical and industrial production process for determining the formic acid concentration at room temperature. (C) 2021 Elsevier B.V. All rights reserved.
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页数：9
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