H2 sensing performance of optical fiber coated with nano-platelet WO3 film
For the first time, we have integrated nano-platelet Pd/WO3 films, which are formed using an acid etching method, with optical fibers to develop a hydrogen gas (H2) sensors. The tungsten films were firstly RF sputtered on top of optical fiber tips, and subsequently etched in 1.5 M nitric acid to pro...
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2012
|
| Online Access: | http://psasir.upm.edu.my/id/eprint/48094/1/H2%20sensing%20performance%20of%20optical%20fiber%20coated%20with%20nano-platelet%20WO3%20film.pdf |
| _version_ | 1796974918612549632 |
|---|---|
| author | Ou, Jian Zhen Yaacob, Mohd. Hanif Campbell, Jos Laurie Breedon, Michael Kalantar-zadeh, Kourosh Wlodarski, Wojtek |
| author_facet | Ou, Jian Zhen Yaacob, Mohd. Hanif Campbell, Jos Laurie Breedon, Michael Kalantar-zadeh, Kourosh Wlodarski, Wojtek |
| author_sort | Ou, Jian Zhen |
| collection | UPM |
| description | For the first time, we have integrated nano-platelet Pd/WO3 films, which are formed using an acid etching method, with optical fibers to develop a hydrogen gas (H2) sensors. The tungsten films were firstly RF sputtered on top of optical fiber tips, and subsequently etched in 1.5 M nitric acid to produce tungstite films. After annealing at 300 and 480 °C, these films were coated with approximately 25 Å thick Pd layers. The films were characterized using SEM, GADDS, EDX, and both Raman and UV–vis–NIR spectroscopy. H2 testing measurements were conducted when the sensors were interacting with 0.06–1% H2 in synthetic air at an optimum temperature of 100 °C. It was found that the highly crystalline nano-platelet Pd/WO3 film based optical fiber H2 sensors show large reflectance responses in the NIR wavelength of 6% and 12% in the presence of 0.06% and 1% H2, respectively. |
| first_indexed | 2024-03-06T09:04:01Z |
| format | Article |
| id | upm.eprints-48094 |
| institution | Universiti Putra Malaysia |
| language | English |
| last_indexed | 2024-03-06T09:04:01Z |
| publishDate | 2012 |
| publisher | Elsevier |
| record_format | dspace |
| spelling | upm.eprints-480942016-08-04T08:48:03Z http://psasir.upm.edu.my/id/eprint/48094/ H2 sensing performance of optical fiber coated with nano-platelet WO3 film Ou, Jian Zhen Yaacob, Mohd. Hanif Campbell, Jos Laurie Breedon, Michael Kalantar-zadeh, Kourosh Wlodarski, Wojtek For the first time, we have integrated nano-platelet Pd/WO3 films, which are formed using an acid etching method, with optical fibers to develop a hydrogen gas (H2) sensors. The tungsten films were firstly RF sputtered on top of optical fiber tips, and subsequently etched in 1.5 M nitric acid to produce tungstite films. After annealing at 300 and 480 °C, these films were coated with approximately 25 Å thick Pd layers. The films were characterized using SEM, GADDS, EDX, and both Raman and UV–vis–NIR spectroscopy. H2 testing measurements were conducted when the sensors were interacting with 0.06–1% H2 in synthetic air at an optimum temperature of 100 °C. It was found that the highly crystalline nano-platelet Pd/WO3 film based optical fiber H2 sensors show large reflectance responses in the NIR wavelength of 6% and 12% in the presence of 0.06% and 1% H2, respectively. Elsevier 2012 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/48094/1/H2%20sensing%20performance%20of%20optical%20fiber%20coated%20with%20nano-platelet%20WO3%20film.pdf Ou, Jian Zhen and Yaacob, Mohd. Hanif and Campbell, Jos Laurie and Breedon, Michael and Kalantar-zadeh, Kourosh and Wlodarski, Wojtek (2012) H2 sensing performance of optical fiber coated with nano-platelet WO3 film. Sensors and Actuators B: Chemical, 166-167. pp. 1-6. ISSN 0925-4005 http://www.sciencedirect.com/science/article/pii/S0925400511000505 10.1016/j.snb.2011.01.033 |
| spellingShingle | Ou, Jian Zhen Yaacob, Mohd. Hanif Campbell, Jos Laurie Breedon, Michael Kalantar-zadeh, Kourosh Wlodarski, Wojtek H2 sensing performance of optical fiber coated with nano-platelet WO3 film |
| title | H2 sensing performance of optical fiber coated with nano-platelet WO3 film |
| title_full | H2 sensing performance of optical fiber coated with nano-platelet WO3 film |
| title_fullStr | H2 sensing performance of optical fiber coated with nano-platelet WO3 film |
| title_full_unstemmed | H2 sensing performance of optical fiber coated with nano-platelet WO3 film |
| title_short | H2 sensing performance of optical fiber coated with nano-platelet WO3 film |
| title_sort | h2 sensing performance of optical fiber coated with nano platelet wo3 film |
| url | http://psasir.upm.edu.my/id/eprint/48094/1/H2%20sensing%20performance%20of%20optical%20fiber%20coated%20with%20nano-platelet%20WO3%20film.pdf |
| work_keys_str_mv | AT oujianzhen h2sensingperformanceofopticalfibercoatedwithnanoplateletwo3film AT yaacobmohdhanif h2sensingperformanceofopticalfibercoatedwithnanoplateletwo3film AT campbelljoslaurie h2sensingperformanceofopticalfibercoatedwithnanoplateletwo3film AT breedonmichael h2sensingperformanceofopticalfibercoatedwithnanoplateletwo3film AT kalantarzadehkourosh h2sensingperformanceofopticalfibercoatedwithnanoplateletwo3film AT wlodarskiwojtek h2sensingperformanceofopticalfibercoatedwithnanoplateletwo3film |