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Liquified Petroleum Gas Sensing using Microballs of ZnO
Sultan Qaboos University, Sultanate of Oman.ORCID iD: 0000-0002-0074-3504
2013 (English)In: lndian ]ournal of Science and Technology, ISSN 0974-6846, Vol. 6, no S3, 190-193 p.Article in journal (Refereed) Published
Abstract [en]

Liquefied petroleum gas (LPG) is extensively used in households and industries. It is a combustible gas and leakages can lead toexplosions. It is also toxic and exposure to it above a certain level can be fatal and as such real time monitoring and accidentalleakage detection is crucial. Metal oxide semiconductors are known for their gas sensing property. Spherical microstructures ofZnO, a wide band gap semiconductor, were synthesized following a simple hydrothermal route. Thin films of these microsphereswere used to detect LPG down to 1000 ppm by observing the change in electrical resistance. Platinum (Pt) nanoparticles weredeposited on the sensing mediurn as a catalyst to improve the performance of the sensors. Maximum response of 55.8% wasachieved for 5000 ppm ofLPG at 250oC.

Place, publisher, year, edition, pages
2013. Vol. 6, no S3, 190-193 p.
National Category
Nano Technology
URN: urn:nbn:se:kth:diva-176565OAI: diva2:914317

QC 201600401

Available from: 2016-03-23 Created: 2015-11-07 Last updated: 2016-04-01Bibliographically approved

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Dutta, Joydeep
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