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Preparation of the ferrocene-substituted 1,3-distal p-tert-butylcalixarene based QCM sensors array and utilization of its gas-sensing affinities
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The article describes the synthesis of the new ferrocene-substituted calixarene derivative 4 as sensitive layer, and suggests that the immobilization of it is on a quartz crystal microbalance gold electrode via the drop-casting method in order to produce the calixarene-based QCM sensor. In addition, sensor response of the calixarene-based QCM sensor was investigated towards carbon dioxide (CO2) and carbon monoxide (CO). The sensing and selectivity studies show that the ferrocene-substituted calixarene-based QCM sensor is an effective gas sensor toward both carbon dioxide and carbon monoxide.