Abstract
Ordered mesoporous carbon (OMCs) FDU-15 was synthesized through an EISA (Evaporation-Induced Self-Assembly) method, and the oxidized OMCs (FDU-15-COOH) were obtained by subsequent oxidation treatments in liquid phase to introduce functional groups. The samples were characterized by XRD, TEM, FT-IR and nitrogen adsorption-desorption test. The low humidity sensing performances of FDU-15 and FDU-15-COOH thin films were investigated by using a quartz crystal microbalance (QCM) transducer. The responses of FDU-15-COOH is higher than that of the pristine FDU-15 at very low humidity (< 729 ppmv) with high long-term stability, implying that FDU-15-COOH is a good candidate for low humidity QCM sensor.
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