2006
DOI: 10.1039/b604214g
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Tailored xerogel-based sensor arrays and artificial neural networks yield improved O2 detection accuracy and precision

Abstract: The objective of this research is to develop arrays of tuned chemical sensors wherein each sensor element responds to a particular target analyte in a unique manner. By creating sol-gel-derived xerogels that are co-doped with two luminophores at a range of molar ratios, we can form suites of sensor elements that can exhibit a continuum of response profiles. We trained an artificial neural network (ANN) to "learn" to identify the optical outputs from these xerogel-based sensor arrays. By using the ANN in concer… Show more

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Cited by 20 publications
(20 citation statements)
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References 62 publications
(42 reference statements)
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“…The ruthenium complexes were intensively used in silicone [3], sol-gel [26][27][28][29][30], ORMOSILs (organically modified silicates) or in modified ORMOSILs [12,31,32]. A detailed comparison of the performances of such optical oxygen sensors in terms of matrix materials, sensitivity, working range and detection limit has been reported earlier [25].…”
Section: Introductionmentioning
confidence: 99%
“…The ruthenium complexes were intensively used in silicone [3], sol-gel [26][27][28][29][30], ORMOSILs (organically modified silicates) or in modified ORMOSILs [12,31,32]. A detailed comparison of the performances of such optical oxygen sensors in terms of matrix materials, sensitivity, working range and detection limit has been reported earlier [25].…”
Section: Introductionmentioning
confidence: 99%
“…Another O 2 sensor was fabricated by forming an array of one hundred separate O 2 -sensing elements of the size of 100 μm and 1 μm thick printed on a single LED [44]. The sol-gel formulations can be also an active part of more sophisticated configurations fabricated by a direct integration of sensor elements with optical filters and placed on an integrated circuit [45] or even artificial neural networks [46].…”
Section: Versatility and Printabilitymentioning
confidence: 99%
“…This mixture was capped and magnetically stirred under ambient conditions for 1hr. 25mM tris (4,7'-diphenyl-1,10'-phenanthroline) Ruthenium (II) chloride pentahydrate ([Ru(dpp) 3 ]Cl 2 ·5H 2 O) in ethanol (0.273ml) was doped into sol and capped, mixed using a touch mixer for 2 mins, and stored in the dark without stirring under ambient conditions 8 .…”
Section: Figure 2 A) Transmission Spectrum Of P 3 Bg Structure the mentioning
confidence: 99%