Gas sensing
Shape-controlled ZnO Nanostructures for Gas Sensing Applications
... ; gas sensors ; organometallic approach ...as gas sensitive layers [1-3]. Hereafter we compare gas sensing properties of silicon based devices with three different ZnO morphologies as ...
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Excimer laser annealing of perovskite thin films: morphology and gas sensing properties
... gas sensing properties of amorphous thin films of SrFe 0.5 Co 0.5 O 2.5+x are presented. 2. Experimental The SrFe 0.5 Co 0.5 O 2.5+x thin films were deposited by the PLD technique on 1 1 02 sapphire using a ...
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Improved semiconducting CuO/CuFe2O4 nanostructured thin films for CO2 gas sensing
... thin film [24–26] . Fig. 8 presents a survey scan of a 100 nm P 0.5 d 5 sample after 12 h of air annealing at 500 ◦ C. The spectrum shows photoelectron lines of a Cu2p, O1s, C1s, Au4f, Na1s and the Auger lines LMM. The ...
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Pd-Functionalized ZnO:Eu Columnar Films for Room-Temperature Hydrogen Gas Sensing: A Combined Experimental and Computational Approach
... 9 Nanostructured semiconducting/metal oxide films with controlled surface area, grain sizes, and crystal morphologies are convenient for many applications, including gas sensing, which allows the efficient ...
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Structural, magnetic and gas sensing properties of nanosized copper ferrite powder synthesized by sol gel combustion technique
... the gas sensing response is not well ...on gas sensing of copper ferrite were on the tetragonal ...interesting gas sensing behaviour) and may be scaled to mass ...
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Improved semiconducting CuO/CuFe2O4 nanostructured thin films for CO2 gas sensing
... substrate distance, reaching 40% towards 5000 ppm of CO 2 . 1. Introduction Semiconductor nanocomposites with p–n junction were reported in the literature as the most performing materials for gas sensing ...
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Ethanol and Hydrogen Gas-Sensing Properties of CuO–CuFe2O4 Nanostructured Thin Films
... porous sensing layers which are highly desirable for solid state resistive gas ...of gas flow rate on the response time and recovery time of the active layer were also ...potential sensing ...
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The electrical conductance properties of SrFeO2.5+x thin-films and applications to gas sensing
... Access and use of this website and the material on it are subject to the Terms and Conditions set forth at The electrical conductance properties of SrFeO2.5+x thin-films and applications to gas sensing ...
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Structural and gas-sensing properties of CuO–CuxFe3−xO4 nanostructured thin films
... Substrate Glass by RF-sputtering. Mixing of different metal oxides and the forma- tion of binary compounds can make the resulting mixture selective to target gas species [29,30] . As a result, there have been a ...
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1.6-2.5 μm long wavelength quantum dash based lasers for gas sensing
... optical gas detection, benefiting by the fact that many important polluting gases have strong absorption lines at 2 μm or at longer wavelengths, which combined with the fact that water has weak absorption in this ...
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Growth of cookie-like Au/NiO nanoparticles in SiO2 sol-gel films and their optical gas sensing properties
... The gas sensing functionalities of the nanocomposite films were tested by measuring the variation of the optical absorption in the presence of CO and H 2 ...
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Porous sol-gel silica films doped with nanocrystalline NiO particles for gas sensing applications
... in gas sensing because the target gas penetrates easily inside the film to reach the active sites for the red-ox reaction, and the reaction products would quickly leave the reaction sites improving ...
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Optical gas sensing properties of silica film doped with cobalt oxide nanocrystals
... The sensing properties of the nanostructured films were evaluated by measuring the variation of the opti- cal transmittance of the film when exposed to ...a gas flow chamber, with a design to permit unim- ...
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Structural and gas-sensing properties of CuO-CuxFe3−xO4 nanostructured thin films
... Substrate Glass by RF-sputtering. Mixing of different metal oxides and the forma- tion of binary compounds can make the resulting mixture selective to target gas species [29,30] . As a result, there have been a ...
10
Ethanol and Hydrogen Gas-Sensing Properties of CuO–CuFe2O4 Nanostructured Thin Films
... porous sensing layers which are highly desirable for solid state resistive gas ...of gas flow rate on the response time and recovery time of the active layer were also ...potential sensing ...
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Integration of P-CuO thin sputtered layers onto microsensor platforms for gas sensing
... The literature therefore shows many examples of microsensors onto which sensitive layers have been deposited by using various methods, such as for example micropipetting [10–13], sputtering [14–21], ...
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Au nanoparticles in nanocrystalline TiO2-NiO films for SPR-based, selective H2S gas sensing
... Gas Sensing Tests. The nanocomposite films have been subjected to gas sensing tests according to the procedure described in Experimental ...
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Organometallic synthesis of ZnO nanoparticles for gas sensing: Towards selectivity through nanoparticles morphology
... Gas sensing properties towards various reducing gases, namely 100 ppm and 490 ppm CO, 100 and 400 ppm C 3 H 8 , and 19 ppm NH 3 have been studied in the temperature range of 340°- 500°C and relative ...
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TiO2 sol-gel thin films containing Au and Pt nanoparticles with controlled morphology : optical study and gas sensing properties
... There is a wide literature about Au and Pt NPs synthesis, in aqueous, alcoholic and organic media, using different strategies to control the particles nucleation and growth and to prevent their aggregation, such as ...
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Structural, magnetic and gas sensing properties of nanosized copper ferrite powder synthesized by sol gel combustion technique
... the gas sensing response is not well ...on gas sensing of copper ferrite were on the tetragonal ...interesting gas sensing behaviour) and may be scaled to mass ...
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