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Fig. 7 | Nanoscale Research Letters

Fig. 7

From: Effect of Surfactants on the Microstructures of Hierarchical SnO2 Blooming Nanoflowers and their Gas-Sensing Properties

Fig. 7

a Response of SPVP sensor to 100 ppm ethanol, acetone, methanol, and formaldehyde at different operating temperatures. b Response of SPVP sensor to 100 ppm H2S at different operating temperatures. c Response versus time curves of the sensors to 10–200 ppm H2S consecutively at180 °C. d Dynamic sensing transient of the sensors to 100 ppm H2S at 180 °C

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