Journal of Nanomaterials / 2017 / Article / Fig 7

Research Article

CO Gas-Induced Resonance Frequency Shift of ZnO-Functionalized Microcantilever in Humid Air

Figure 7

Resonance frequency versus time for both microcantilevers exposure to carbon monoxide gas without air pump treatment (active cantilever: blue square markers for left axis; reference cantilever: red circle markers for right axis).

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