Fabrication at wafer level of micromachined gas sensors based on Sno 2 nanorods deposited by PECVD and gas sensing characteristics
Abstract
Sn02 nanorods were successfully deposited on 3" Si/Si02 wafers by inductively coupled plasma-enhanced chemical vapor deposition (PECVD) and a wafer-level patterning of nanorods layer for miniaturized solid state gas sensor fabrication were performed. Uniform needle-shape Sn02 nanorods in situ grown were obtained under catalyst- and high temperature treatment-free growth condition. These nanorods have an average diameter between 5 and IS nm and a length of 160 to 300 nm. The Sn02-nanords based gas sensors were tested towards NH3 and CH30H and gas sensingtests show remarkable response, showing promising and repeatable results compared with the Sn02 thin films gas sensors.
Autore Pugliese
Tutti gli autori
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A. Forleo; L. Francioso; S. Capone; F. Casino; P. Siciliano; H. Huang; O.K. Tan
Titolo volume/Rivista
Non Disponibile
Anno di pubblicazione
2011
ISSN
Non Disponibile
ISBN
978-1-4577-0623-3
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Settori ERC
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Codici ASJC
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