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Fig. 9 | Nanoscale Research Letters

Fig. 9

From: ZnO Nanoparticles/Reduced Graphene Oxide Bilayer Thin Films for Improved NH3-Sensing Performances at Room Temperature

Fig. 9

a Compared with four kinds of interfering gases, the greater response values and shorter response/recovery times of the sensor to NH3 were observed obviously, exhibiting the good selective ability to NH3. b The response of the sensor to water molecules is much larger (one or two orders of magnitude) than that of the sensor when exposed to NH3 or other tested interfering gases, indicating that the interference of moisture on the prepared sensor is non-ignorable

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