microstructure characterization and no2 sensing properties of tungsten oxide

microstructure characterization and no2 sensing properties of tungsten oxide

microstructure characterization and no2 sensing properties of tungsten oxide

... www.elsevier.com/locate/snb Microstructure characterization and NO 2 -sensing properties of tungsten oxide nanostructures Yuxiang Qin ∗ , Ming Hu, Jie Zhang School of Electronics and Information Engineering, ... Model SNB-12446; No. of Pages 7 Y. Qin et al. / Sensors and Actuators B xxx (2010) xxx–xxx 5 3.3. NO 2 -sensing properties The gas sensing properties...
Ngày tải lên : 20/03/2014, 13:04
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ethanol sensing properties of tungsten oxide nanorods prepared by

ethanol sensing properties of tungsten oxide nanorods prepared by

... Ethanol sensing properties of tungsten oxide nanorods prepared by microwave hydrothermal method Yani Li a , Xintai Su a, * , Jikang Jian b , Jide Wang a a Ministry Key Laboratory of Oil and Gas ... (XRD) and transmission electron microscopy (TEM). The obtained nanorods are about 20–50 nm in diameter and several micrometers in length. The ethanol sensing property of as- p...
Ngày tải lên : 05/05/2014, 15:27
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Báo cáo Y học: Spectroscopic characterization and ligand-binding properties of chlorite dismutase from the chlorate respiring bacterial strain GR-1 ppt

Báo cáo Y học: Spectroscopic characterization and ligand-binding properties of chlorite dismutase from the chlorate respiring bacterial strain GR-1 ppt

... hydroxide adduct. Here we present the EPR spectroscopic and redox properties of GR-1 chlorite dismutase. Furthermore, we investigated the binding of hydroxide and imidazole to the ferric enzyme and of ... nitrite and hydrogen peroxide have been found to bind to ferric chlorite dismutase. EPR spectroscopy of the hydrogen peroxide adduct shows the loss of both high-spin and...
Ngày tải lên : 08/03/2014, 16:20
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electrical and gas - sensing properties of wo3 semiconductor material

electrical and gas - sensing properties of wo3 semiconductor material

... of the hole concentration and decreasing of the electron concentration. WO 3 is a kind of the acidic oxide and can react with the alkali. Besides the state of oxygen adsorbed on the surface of WO 3 , ... sensors to certain control and monitoring. 3.3. Gas -sensing properties In this study, we ®rst examined the eect of calcining temperature on gas -sensing properties...
Ngày tải lên : 19/03/2014, 16:48
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gas - sensing properties of tin oxide doped with metal oxides and carbon

gas - sensing properties of tin oxide doped with metal oxides and carbon

... article in press as: N. Van Hieu, et al., Gas -sensing properties of tin oxide doped with metal oxides and carbon nanotubes: A competitive sensor for ethanol and liquid petroleum gas, Sens. Actuators ... article in press as: N. Van Hieu, et al., Gas -sensing properties of tin oxide doped with metal oxides and carbon nanotubes: A competitive sensor for ethanol and liquid...
Ngày tải lên : 19/03/2014, 16:48
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structural and electrochromic properties of tungsten oxide prepared by surfactant-assisted process

structural and electrochromic properties of tungsten oxide prepared by surfactant-assisted process

... and build pore-wall framework mesostructuation. The scope of this paper was centred on the characterization of microstructural and electrochromic properties of the nanostruc- tured tungsten oxides ... excess and resulted in partial reduction of the oxide. Sample D could be composed of tungsten oxides, in which the oxidation state of tungsten ranges from +6 like in...
Ngày tải lên : 20/03/2014, 13:08
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thermal treatment effects on the material and gas-sensing properties of room-temperaturetungstenoxidenanorodsensors

thermal treatment effects on the material and gas-sensing properties of room-temperaturetungstenoxidenanorodsensors

... wavenumbers of the strongest modes of monoclinic tungsten oxide. The two bands at 270 and 327 cm −1 had been assigned to O W O bending modesof the bridging oxide, while the 712 and 807 cm −1 bands are ... the material and gas -sensing properties of room-temperature tungsten oxide nanorod sensors Yong Shin Kim ∗ Department of Applied Chemistry, Hanyang University, Ansa...
Ngày tải lên : 20/03/2014, 13:11
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controlled synthesis and gas sensing properties of hollow sea urchin like

controlled synthesis and gas sensing properties of hollow sea urchin like

... the best of our knowledge, this is the first report of the selective synthesis of ␣-Fe 2 O 3 superstructures and nanocubes. The gas- sensing properties of the ␣-Fe 2 O 3 superstructures, nanocubes and nanoparticle ... surfaces. The diameter of these pits is 5–9 nm. The presence of the pits may be due to the decomposition of ␣-FeOOH and release of H 2 O. Fig. 5a and...
Ngày tải lên : 05/05/2014, 15:26
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facile synthesis and no2 gas sensing of tungsten oxide nanorods assembled microspheres

facile synthesis and no2 gas sensing of tungsten oxide nanorods assembled microspheres

... attentions [2,3]. Nanostructures of well-established gas sensing materials like tin oxide [4–6], zinc oxide [7], tungsten oxide [8–10], titanium oxide [11,12], and indium oxide [13,14] have shown higher ... increases from 350 to 550 ◦ C. The gas sensing of monoclinic tungsten oxide has been extensively studied. There are also reports on the gas sensing of hexagon...
Ngày tải lên : 19/03/2014, 16:48
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gas sensing properties of nanocrystalline tungsten oxide synthesized by acid

gas sensing properties of nanocrystalline tungsten oxide synthesized by acid

... calcinations are in the range of 30–150 nm. The gas sensing properties of these powders in the form of thick film were investigated with and without platinum doping. Gas response of thick films sintered ... investigate ammonia gas sensing prop- erties of nanocrystalline tungsten oxide with and withoutplatinum doping under different processing conditions. 2. Experimental...
Ngày tải lên : 19/03/2014, 16:48
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