Synthesis and gas sensing properties of tio2 nanowires
controlled synthesis and gas sensing properties of hollow sea urchin like
... humidity of 5–38% Results and discussion 2.3 Gas- sensing properties test 3.1 Microstructures of hollow sea urchin- like ˛-Fe2 O3 nanostructures and ˛-Fe2 O3 nanocubes Measurements on gas sensitivity ... / Sensors and Actuators B 141 (2009) 381–389 is one of the most important parameters of sensors In addition, the sensing properties of hollow sea urchin...
electrical and gas - sensing properties of wo3 semiconductor material
... material for ethanol gas The analysis of the electrical properties and gas- sensing mechanism of WO3 -based sensors revealed that the calcining and operating temperature of sensor obviously in¯uence ... tube with Au electrodes and Platinum wires The SiO2 was used to add intensity of sensitive material of WO3 , but it did not in¯uence the gas- sensing prope...
glucose - mediated hydrothermal synthesis and gas sensing characteristics of wo3 hollow microspheres
... concentration of NO2 was 1/100 of those of the other gases These results demonstrated the high gas response and selective detection of WO3 nano-porous microspheres to NO2 The selective detection and gas ... the effective gas diffusion (Fig 5) The gas response was improved fur- Fig Dynamic sensing transients of (a) R30-RH and (b) R30 sensors and (c) gas respon...
large - scale synthesis and gas sensing application of vertically
... K.P Musselman, G.J Mulholland, A.P Robinson, L Schmidt-Mende, J.L MacManus-Driscoll, Low-temperature synthesis of large- area, free-standing nanorod arrays on ITO/glass and other conducting substrates, ... the growth of the double-sided nanorod arrays Moreover, the gas sensing performance of the as-synthesised Co-doped WO3 nanostructures was investigated towards a series of fl...
thermal treatment effects on the material and gas-sensing properties of room-temperaturetungstenoxidenanorodsensors
... performed by the user software programmed under LabVIEW (NI) environments with a typical sampling rate of Hz Results and discussion 3.1 Thermal treatment effects on the material properties As-deposited ... Ar-annealing condition: the onset of recrystallization is around 550 ◦ C and the columnar crystals grow larger when an anneal temperature reaches above 600 ◦ C...
tio2 nanowires array fabrication and gas sensing properties
... lowest gas concentrations, expected responses are smallest and reported in Fig 9; brighter columns represent the nanowires sensor and lowest ones the gas response of standard solid film device Properties ... device and nanowires- based towards 0.3 and 0.6% EtOH pulses at 550 ◦ C Fig 10 Dynamic responses comparison between enhanced layout solid thin film device and nanowires-...
gas sensing properties of metal - organics derived pt dispersed - tio2 thin film fired in nh3
... 270–274 272 Table Relative resistance of the thin film fired in different atmosphere Žmeasured at 2008C Number Firing atmosphere Kind of thin film Kind of measuring gas Relative resistance 1a 1H 2a ... al., Gas sensing properties of platinum dispersed- TiO2 thin film derived from precursor, Sens Actuators, B 62 Ž2000 55–60 w13x M Egashira, Y Shimizu, Y Tak...
gas sensing properties of wo3 doped rutile tio2 thick film at high operating temperature
... Please cite this article in press as: S.-E Jo et al., Gas sensing properties of WO3 doped rutile TiO2 thick film at high operating temperature, Curr Appl Phys (2009), doi:10.1016/j.cap.2009.06.053 ... (2009) xxx–xxx Fig SEM images of the sensing films Fig AFM images of the sensing films Fig XRD patterns of undoped TiO2, 11 wt.% WO3 doped TiO2 and 15 wt.%...
gas - sensing properties of tin oxide doped with metal oxides and carbon
... image of an MWCNTs -doped SnO2 sol (c); FE-SEM image of an MWCNTs -doped SnO2 (d) Please cite this article in press as: N Van Hieu, et al., Gas- sensing properties of tin oxide doped with metal oxides ... ethanol gas and LPG Please cite this article in press as: N Van Hieu, et al., Gas- sensing properties of tin oxide doped with metal oxides an...
gas sensing properties of nanocrystalline tungsten oxide synthesized by acid
... micrograph of powders calcined at 350 and 600 ◦ C Please cite this article in press as: T.D Senguttuvan, et al., Gas sensing properties of nanocrystalline tungsten oxide synthesized by acid precipitation ... response for to 4000 ppm NH3 gas Please cite this article in press as: T.D Senguttuvan, et al., Gas sensing properties of nanocrystalline tungsten oxi...
gas sensing properties of nanoparticle indium - doped wo3 thick films
... the source of added support of charge that changes the sensing properties of the WO3 -based sensors Conclusions The gas sensing properties of pure and indium- doped nanoparticle WO3 thick films ... images of a pure WO1 thick film surface (a, b) and indium3 doped WO3 thick film with indium concentration of wt.% Fig Responses to ammonia of indium- do...
microstructure characterization and no2 sensing properties of tungsten oxide
... varying NO2 concentration at an operating temperature of 200 ◦ C Please cite this article in press as: Y Qin, et al., Microstructure characterization and NO2 -sensing properties of tungsten oxide ... nanowires, mixture and nanosheets after annealing Please cite this article in press as: Y Qin, et al., Microstructure characterization and NO2 -sensing properties...
research on gas - sensing properties of lead sulfide-based sensor for detection
... at room temperature before and after the heating Please cite this article in press as: T Fu, Research on gas- sensing properties of lead sulfide-based sensor for detection of NO2 and NH3 at room ... Fu, Research on gas- sensing properties of lead sulfide-based sensor for detection of NO2 and NH3 at room temperature, Sens Actuators B: Chem (2009), doi:10...
room temperature ammonia sensing properties of w18o49 nanowires
... Conclusion We have investigated the ammonia sensing properties of W18 O49 nanowires prepared by a low temperature solvothermal technique The electrical resistance of W18 O49 nanowires is increased when ... behavior of the W18 O49 nanowires to ammonia is related with the ultra-thin diameter (less than nm) The high sensitivity of the W18 O49 nanowires in the detection...
hydrothermal synthesis and humidity sensing property of zno nanostructures
... smaller than that of the members of prism-like series due to their more intensive visible emission 3.3 Humidity sensing property of nanocomposites The humidity sensing of ZnO and ZnO nanocomposite ... raspberry-like ZnO and ZnOAIn(OH)3 Table Optical properties of ZnO and ZnO nanocomposite samples Sample Eg (eV) Prism-like ZnO ZnOAIn(OH)3 at.% In(III) ZnOA...
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