Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.matlet.2007.08.081
Title: Synthesis of nano-SnO2/SBA-15 composite as a highly sensitive semiconductor oxide gas sensor
Authors: Yang, J.
Hidajat, K. 
Kawi, S. 
Keywords: Gas sensor
Mesoporous materials
Nanocomposites
Semiconductors
SnO2
Issue Date: 31-Mar-2008
Citation: Yang, J., Hidajat, K., Kawi, S. (2008-03-31). Synthesis of nano-SnO2/SBA-15 composite as a highly sensitive semiconductor oxide gas sensor. Materials Letters 62 (8-9) : 1441-1443. ScholarBank@NUS Repository. https://doi.org/10.1016/j.matlet.2007.08.081
Abstract: A simple method has been applied to synthesize nano-SnO2/SBA-15 composites by wet impregnation of SnCl2 using SBA-15 as the nanoporous sensor support. After mixing SBA-15 with SnO2, the mesoporous structure of SBA-15 could still be well maintained. The sensor made of the nano-SnO2/SBA-15 composite displays superior sensitivities, and the sensitivity to 1000 ppm of H2 could be higher than 1400, which is almost ∼ 40 times more sensitive than that of pure SnO2 sensor. This finding provides a cheap and effective way to apply nanoporous materials to remarkably enhance the sensitivity of semiconductor metal oxide gas sensors. © 2007 Elsevier B.V. All rights reserved.
Source Title: Materials Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/90278
ISSN: 0167577X
DOI: 10.1016/j.matlet.2007.08.081
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