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Room temperature highly toxic NO2 gas sensors based on rootstock/scion nanowires of SnO2/ZnO, ZnO/SnO2, SnO2/SnO2 and, ZnO/ZnO

Sensors and Actuators B: Chemical, 2021
Abstract Grafted structures between SnO2 and ZnO nanowires were realized in a two-step process of growth. First, the rootstocks of SnO2 or ZnO nanowires were synthesized by thermal evaporation technique. Second, a thin Au layer was sputter deposited on the sample and synthesis of nanowire scions of ZnO or SnO2, respectively, on the rootstocks was ...
Vo Thanh Duoc   +5 more
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Enhanced pseudocapacitive performance of SnO2, Zn-SnO2, and Ag-SnO2 nanoparticles

Ionics, 2018
Metal-doped tin oxide is gathering interest in the field of energy storage and power supply devices, particularly in supercapacitors applications. In the present study, we adopt a hydrothermal method to synthesis SnO2, Zn-SnO2, Ag-SnO2 nanoparticles at suitable conditions of temperature, pH, reaction time, and capping agents (CTAB).
B. Saravanakumar   +6 more
openaire   +1 more source

SnO2:Eu nanocrystallites in SnO2 monolithic xerogels

Chemical Physics Letters, 1992
Abstract By simple room temperature broad band time-resolved spectroscopy it was possible to discriminate different Eu3+ spectra in SnO2 monolithic gels obtained by a sol—gel synthetic route. Nanocrystalline domains of the cassiterite-like SnO2:Eu could be easily identified in the transparent medium.
Ribeiro, Sidney J.L.   +2 more
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Infrared studies on SnO2 and Pd/SnO2

Catalysis Today, 2001
Abstract The peculiarities of the IR studies of adsorption on semiconducting oxides are reviewed with special attention to SnO2. Absorption by free electrons is very strong in reducing atmospheres and well-defined conditions are required to get vibrational information on the nature of surface species.
D Amalric-Popescu, F Bozon-Verduraz
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E-beam deposited SnO2, Pt–SnO2 and Pd–SnO2 thin films for LPG detection

Thin Solid Films, 1999
Abstract The electron-beam evaporation method was used to deposit undoped and Pt (or Pd) doped SnO 2 thin films. After careful study of their physical properties, SnO 2 thin films with suitable growth conditions were selected for probing their response to LPG and other common household gases.
M.H Madhusudhana Reddy, A.N Chandorkar
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Electron spectroscopic studies on films of SnO2 and SnO2:Sb

Surface and Coatings Technology, 1987
Abstract Pure and antimony-doped SnO2 films have been deposited by two different techniques: metal-organic chemical vapour deposition (MO-CVD) and spray pyrolysis of SnCl4 in the presence of air with different concentrations of antimony. X-ray and UV photoelectron spectroscopic studies have been carried out on these films and the combined data from ...
I.S. Mulla   +4 more
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Microstructure and structure of NiO–SnO2 and Fe2O3–SnO2 systems

Applied Surface Science, 2003
Abstract The microstructure and the structure of NiO–SnO 2 and Fe 2 O 3 –SnO 2 were studied by X-ray diffraction (XRD) and adsorption analysis (BET). The segregation of Ni or Fe on the surface of SnO 2 was observed even in specimens with 30 mol% addition.
Ricardo H.R. Castro   +3 more
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Tailoring of highly porous SnO2 and SnO2-Pd thin films

Materials Chemistry and Physics, 2019
Abstract Tin oxide is a material that attracts attention due to variety of technological applications. The main parameters that influence its properties are morphology, crystalline structure and stoichiometry. Researchers try to develop nanostructured thin films with tunable parameters that would conform its technological applications.
Mykhailo Chundak   +8 more
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