nanosize hexagonal tungsten oxide for gas sensing applications
nanosize hexagonal tungsten oxide for gas sensing applications
... www.sciencedirect.com Journal of the European Ceramic Society 28 (2008) 913–917 Nanosize hexagonal tungsten oxide for gas sensing applications Csaba Bal ´ azsi a,∗ , Lisheng Wang b , Esra Ozkan Zayim c , ... tungsten oxide hydrates are among the most used materials in electro-, photo- and gaso-chromic applications. Lately, tungsten oxides have been commonly applied as...
Ngày tải lên: 20/03/2014, 13:05
novel hybrid materials for gas sensing applications made
... Comino, Metal oxide next term nano-crystals for gas sensing, Anal. Chim. Acta 568 (2006) 28–40. [16] P.K. Clifford, D.T. Tuma, Characteristics of semiconductor gas sensors. 1. Steady-state gas response, ... silver on the MWCNT. Active layers for gas sensing applications were obtained by adding a small amount of metal-decorated MWCNT to two different types of metal oxides (S...
Ngày tải lên: 20/03/2014, 13:05
Synthesis and characterization of semiconducting nanowires for gas sensing
... is raised above the limit of decomposition for the oxide (from 600 ◦ C for zinc oxide to 1500 ◦ C for indium oxide) [16]. A controlled flow of inert gas (usually argon) is maintained during decomposition ... potential application of nanowires is gas sensing, which MOX are widely employed for. Tin-, indium-, and zinc -oxide nanowires may constitute the building blocks for a...
Ngày tải lên: 16/03/2014, 15:25
mixed sno2 tio2 included with carbon nanotubes for gas-sensing application
... candidate of gas- sensing applications [15–17]. For the gas- sensing materials, there are various approaches using CNTs as the solution such as CNTs for dispersion, CNTs for composite, CNTs for filling, ... 258–263 provide excellent gas absorption properties. These extreme absorption properties make CNTs advantageous for use in many areas of applications. For example, th...
Ngày tải lên: 20/03/2014, 13:04
facile synthesis and no2 gas sensing of tungsten oxide nanorods assembled microspheres
... the gas sensing of hexagonal tungsten oxide [36,37]. In our present work, there is no obvious difference in the gas sens- ing performance among the hexagonal, monoclinic, and the mixed phase tungsten ... based gas sensors attracted more and more attentions [2,3]. Nanostructures of well-established gas sensing materials like tin oxide [4–6], zinc oxide [7], tungsten...
Ngày tải lên: 19/03/2014, 16:48
gas sensing properties of nanocrystalline tungsten oxide synthesized by acid
... sintered at 800 ◦ C) response for to 4000 ppm NH 3 gas. Please cite this article in press as: T.D. Senguttuvan, et al., Gas sensing properties of nanocrystalline tungsten oxide synthesized by acid ... Introduction Gas sensors are used for many applications such as process controls in chemical industries, detection of toxic environmental pollutants, and for the prevention o...
Ngày tải lên: 19/03/2014, 16:48
hybrid metal oxide and multiwall carbon nanotube films for low temperature gas sensing
... employed. The system allows for sample rotation (360 ◦ ) and sample inclination (90 ◦ ). 2.4. Gas sensing measurements The gas sensing properties of the different sensing films were tested in ... compare the performance in gas sensing ofhybrid materials consisting of O 2 -functionalized mul- tiwall carbon nanotubes (MWCNTs) dispersed in a metal oxide matrix. Three different m...
Ngày tải lên: 19/03/2014, 16:48
preparation of hexagonal wo3 from hexagonal ammonium tungsten bronze for sensing nh3
... Preparation of hexagonal WO 3 from hexagonal ammonium tungsten bronze for sensing NH 3 Imre Miklo ´ s Szila ´ gyi a, * , Lisheng Wang b , Pelagia-Irene ... sample, at least, for 1 h at 150 8C in nitrogen. For gas sensing test, as-synthesized h-WO 3 particles were well grinded into powders. The gas sensing layer was produced by spin coating 10 mg ... diffraction Electron...
Ngày tải lên: 20/03/2014, 13:06
gas - sensing properties of tin oxide doped with metal oxides and carbon
... 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 B: Chem. ... www.elsevier.com/locate/snb Gas- sensing properties of tin oxide doped with metal oxides and carbon nanotubes: A competitive sensor for ethanol and liquid petroleum gas Nguyen...
Ngày tải lên: 19/03/2014, 16:48
microstructure characterization and no2 sensing properties of tungsten oxide
... metal oxide semiconductors are well suited for NO 2 detection owing to their remarkable gas sensing performance and simple structures [2,5]. Among various metal oxide semiconduc- tors, tungsten oxide ... revised form 28 June 2010 Accepted 29 June 2010 Available online xxx Keywords: Tungsten oxide Nanowires Nanosheets Solvothermal synthesis Gas sensors abstract Nanowires an...
Ngày tải lên: 20/03/2014, 13:04