Early Detection of Hydrogen Leakage Using Fiber Optic Hydrogen Sensor Based on WO<sub>3</sub>-PdPt-Pt Nanocomposite Films
Quickly detecting hydrogen leakage is crucial to provide early warning for taking emergency measures to avoid personnel casualties and explosion accidents in hydrogen energy fields. Here, a compact optical fiber hydrogen sensing system with high sensitivity and quick response rate is proposed in thi...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-05-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/15/11/836 |
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| author | Jixiang Dai Zhangning Chen Rundong Yang Zhouyang Wu Zhengan Tang Wenbin Hu Cheng Cheng Xuewen Wang Minghong Yang |
| author_facet | Jixiang Dai Zhangning Chen Rundong Yang Zhouyang Wu Zhengan Tang Wenbin Hu Cheng Cheng Xuewen Wang Minghong Yang |
| author_sort | Jixiang Dai |
| collection | DOAJ |
| description | Quickly detecting hydrogen leakage is crucial to provide early warning for taking emergency measures to avoid personnel casualties and explosion accidents in hydrogen energy fields. Here, a compact optical fiber hydrogen sensing system with high sensitivity and quick response rate is proposed in this work. A laser diode (LD) and two photodetectors (PD) are employed as light source and optical signal transformation devices, respectively. This sensing system employs single-mode optical fiber deposited with WO<sub>3</sub>-PdPt-Pt nanocomposite film system as sensing element. Under irrigating power of 6 mW, the sensing probe exhibits an ultra-fast response to hydrogen concentrations of 4000 ppm and 10,000 ppm, with response times of 0.44 s and 0.34 s, respectively. In addition, detection limit of 3 ppm can be achieved by using this sensing system. The sensor also shows good repeatability during hydrogen exposure of 3~10,000 ppm, demonstrating its great potential application for hydrogen leakage in hydrogen energy facilities. |
| format | Article |
| id | doaj-art-aedf2257a41348578fd918a6b3e746fe |
| institution | OA Journals |
| issn | 2079-4991 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj-art-aedf2257a41348578fd918a6b3e746fe2025-08-20T02:22:58ZengMDPI AGNanomaterials2079-49912025-05-01151183610.3390/nano15110836Early Detection of Hydrogen Leakage Using Fiber Optic Hydrogen Sensor Based on WO<sub>3</sub>-PdPt-Pt Nanocomposite FilmsJixiang Dai0Zhangning Chen1Rundong Yang2Zhouyang Wu3Zhengan Tang4Wenbin Hu5Cheng Cheng6Xuewen Wang7Minghong Yang8National Engineering Research Center for Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, ChinaNational Engineering Research Center for Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, ChinaNational Engineering Research Center for Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, ChinaNational Engineering Research Center for Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, ChinaNational Engineering Research Center for Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, ChinaNational Engineering Research Center for Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, ChinaNational Engineering Research Center for Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, ChinaSanya Science and Education Innovation Park, Wuhan University of Technology, Sanya 572000, ChinaNational Engineering Research Center for Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, ChinaQuickly detecting hydrogen leakage is crucial to provide early warning for taking emergency measures to avoid personnel casualties and explosion accidents in hydrogen energy fields. Here, a compact optical fiber hydrogen sensing system with high sensitivity and quick response rate is proposed in this work. A laser diode (LD) and two photodetectors (PD) are employed as light source and optical signal transformation devices, respectively. This sensing system employs single-mode optical fiber deposited with WO<sub>3</sub>-PdPt-Pt nanocomposite film system as sensing element. Under irrigating power of 6 mW, the sensing probe exhibits an ultra-fast response to hydrogen concentrations of 4000 ppm and 10,000 ppm, with response times of 0.44 s and 0.34 s, respectively. In addition, detection limit of 3 ppm can be achieved by using this sensing system. The sensor also shows good repeatability during hydrogen exposure of 3~10,000 ppm, demonstrating its great potential application for hydrogen leakage in hydrogen energy facilities.https://www.mdpi.com/2079-4991/15/11/836hydrogen sensoroptical fiberWO<sub>3</sub>-PdPt-Pt nanocomposite filmlight intensity demodulation |
| spellingShingle | Jixiang Dai Zhangning Chen Rundong Yang Zhouyang Wu Zhengan Tang Wenbin Hu Cheng Cheng Xuewen Wang Minghong Yang Early Detection of Hydrogen Leakage Using Fiber Optic Hydrogen Sensor Based on WO<sub>3</sub>-PdPt-Pt Nanocomposite Films Nanomaterials hydrogen sensor optical fiber WO<sub>3</sub>-PdPt-Pt nanocomposite film light intensity demodulation |
| title | Early Detection of Hydrogen Leakage Using Fiber Optic Hydrogen Sensor Based on WO<sub>3</sub>-PdPt-Pt Nanocomposite Films |
| title_full | Early Detection of Hydrogen Leakage Using Fiber Optic Hydrogen Sensor Based on WO<sub>3</sub>-PdPt-Pt Nanocomposite Films |
| title_fullStr | Early Detection of Hydrogen Leakage Using Fiber Optic Hydrogen Sensor Based on WO<sub>3</sub>-PdPt-Pt Nanocomposite Films |
| title_full_unstemmed | Early Detection of Hydrogen Leakage Using Fiber Optic Hydrogen Sensor Based on WO<sub>3</sub>-PdPt-Pt Nanocomposite Films |
| title_short | Early Detection of Hydrogen Leakage Using Fiber Optic Hydrogen Sensor Based on WO<sub>3</sub>-PdPt-Pt Nanocomposite Films |
| title_sort | early detection of hydrogen leakage using fiber optic hydrogen sensor based on wo sub 3 sub pdpt pt nanocomposite films |
| topic | hydrogen sensor optical fiber WO<sub>3</sub>-PdPt-Pt nanocomposite film light intensity demodulation |
| url | https://www.mdpi.com/2079-4991/15/11/836 |
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