Investigations of Different Ion Intercalations on the Performance of FBG Hydrogen Sensors Based on Pt/MoO3

α-MoO3 has been used as a hydrogen sensing material due to its excellent properties and unique crystalline layer structure. However, the low repeatability of α-MoO3 based hydrogen sensor restricts its practical application. In this paper, the effect of intercalated ion species and the amount in α-Mo...

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Published inSensors (Basel, Switzerland) Vol. 19; no. 21; p. 4775
Main Authors Wang, Gaopeng, Yang, Shiwen, Dai, Jixiang, Dai, Yutang, Zou, Tong, Roths, Johannes, Yang, Minghong
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 03.11.2019
MDPI
Subjects
Heat
Hydrogen
hydrogen sensors
Investigations
ion intercalation
optimization
Reagents
repeatability
Sensors
Stainless steel
α-moo3
China
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Summary:α-MoO3 has been used as a hydrogen sensing material due to its excellent properties and unique crystalline layer structure. However, the low repeatability of α-MoO3 based hydrogen sensor restricts its practical application. In this paper, the effect of intercalated ion species and the amount in α-MoO3 is experimentally investigated and discussed. It is concluded that the repeatability of the sensor depends on the radius of intercalated ions and amount of ionic bonds. The optimal ion species is Na+ and the optimal amount of precursor is 1 mmol.
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ISSN:1424-8220
1424-8220
DOI:10.3390/s19214775