Amine - functionalized SBA - 15 was prepared and deposited on the quartz crystal micro -balances(QCMs) to construct high sensitivity and good chemoselectivity formaldehyde sensors. X - ray diffraction,nitrogen adsorption/desorption,transmission electron microscopy and scanning electron microscope were employed to characterize the sensing materials.The results showed that the sensors had high sensitivity,good stability and well chemoselectivity.Herein,not only a novel and low - cost formaldehyde sensor mater...
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