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- W2359509270 abstract "The SnO2 doped multi-walled carbon nanotubes(MWCNTs) thin film NO2 gas sensor,prepared by radio frequency(RF) reactive magnetron sputtering,showed high sensitivity to ultra-low concentrations of NO2 in the parts per billion(ppb) range,even low to 10×10-9.Scanning electron microscope(SEM) and X-ray diffraction(XRD) characterizations indicated that the MWCNTs were affected by the morphology of the SnO2 thin film and the particle size.The properties of the SnO2 thin film with MWCNTs inclusion were investigated,such as sensitivity,selectivity,response-recovery time.Experimental results revealed that the SnO2 doped MWCNTs thin film response to NO2 gas depended on the operating temperature,the NO2 gas concentration,thermal treatment conditions,the film thickness and so on.Mechanism of gas-sensing property of SnO2/MWCNTs thin film were investigated,the results revealed that the improved gas-sensing performance should be attributed to the dual effects between MWCNTs(p-type) and SnO2(n-type) semiconductor." @default.
- W2359509270 created "2016-06-24" @default.
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- W2359509270 date "2009-01-01" @default.
- W2359509270 modified "2023-09-24" @default.
- W2359509270 title "Radio Frequency Magnetron Sputtering SnO_2 Doped MWCNTs Thin Film" @default.
- W2359509270 hasPublicationYear "2009" @default.
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