Nanostructured silicon oxide-nickel oxide sol-gel films with enhanced optical carbon monoxide gas sensitivity

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TypeArticle
Journal titleJournal of the American Ceramic Society
Volume86
Issue9
Pages16381640; # of pages: 2
AbstractSol– gel derived silica (SiO2) films doped with nickel oxide (NiO) nanocrystals were fabricated. A bifunctional ligand was used, bearing amine groups capable of coordinating the nickel ions and hydrolysable siloxane groups for anchoring the metal complex moiety to the silicate matrix. Nickel oxide nanocrystals precipitated at 500°C while the film was still porous. The nanocomposite films showed a reversible change in the optical transmittance in the VIS-NIR range when exposed to carbon monoxide gas. The effects of residual porosity, testing temperature, and carbon monoxide gas concentration on optical transmittance were studied.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Institute for Chemical Process and Environmental Technology
Peer reviewedYes
NRC number52172
NPARC number16187141
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Record identifierd50b67cc-c8f2-431e-ab7d-c591b3f96a7a
Record created2010-10-07
Record modified2016-05-09
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