Ethanol gas sensing property and mechanism of ZnSnO3 doped with Ti ions

Zeng, Wen; Liu, Tian-mo; Lin, Liyang

doi:10.1016/j.mssp.2012.02.003

Cited by 20 publications

(3 citation statements)

References 43 publications

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“…In view of the advantages of low-cost, simplicity of use and large num-ber of gases available that require detection, such as inflammable gases [3], hazardous nitrogen dioxide (NO2) and hydrogen (H2) [4] and other environmental gases [5], metal oxide-based sensing materials have attracted considerable interest. The working mechanism of most metal-oxide semiconductor (MOS)-based gas sensors relies on the sensitive variations to the electrical conductivity of the sensing channel layer [6,7], controlled by a gate voltage in a device with field-effect transistor geometry. Many MOS materials includ-ing ZnO, SnO2, In2O3, WO3, CuO, and Fe2O3, etc., have been studied widely as gas-sensing materials [8,9].…”

Section: Introductionmentioning

confidence: 99%

Sprayed tungsten-doped and undoped bismuth ferrite nanostructured films for reducing and oxidizing gas sensor applications

Waghmare

Jadhav

Shaikh

et al. 2018

Sensors and Actuators A: Physical

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Section: Introductionmentioning

confidence: 99%

Sprayed tungsten-doped and undoped bismuth ferrite nanostructured films for reducing and oxidizing gas sensor applications

Waghmare

Jadhav

Shaikh

et al. 2018

Sensors and Actuators A: Physical

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“…Kida et al synthesized the SnO 2 porous film as H 2 and CO sensors at 250° and 350°C (Kida et al , 2008). Zeng et al studied ethanol gas sensing of Ti-doped ZnSnO 3 -doped at 350°C (Zeng et al , 2012). Kim et al synthesized pd-doped SnO 2 - core/ZnO for H 2 S gas sensing at high temperatures (Kim et al , 2012).…”

Section: Introductionmentioning

confidence: 99%

CeO₂/TiO₂ core/shell nanoparticles as quantitative gas sensor at room temperature

Samadi

Cordshooli

Yousefi

et al. 2018

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Purpose This paper aims to introduce constructed CeO2/TiO2 core/shell nanoparticle as sensitive substance organic compounds. Design/methodology/approach The CeO2 nanoparticles were synthesized by hydrothermal treatment. Then CeO2/TiO2 core/shell was fabricated by sol–gel method preparation of TiO2 in the presence of ceria nanoparticles and applied as the sensitive material to make a sensor. Findings Formation of the nanoparticles was confirmed by X-ray diffraction (XRD), energy dispersive spectroscopy (EDS), field emission scanning electron microscopy (FESEM) and high resolution transmission electron microscopy (HRTEM). The synthesized sensor exhibited not only good sensitivity to volatile organic compounds at room temperature but also logarithm of sensitivity versus concentrations was linear. Research limitations/implications The sensor shows acceptable sensitivity to volatile organic compound at room temperature. Practical implications Experimental data revealed satisfactory reproducibility and short response and recovery times. Originality/value A radical mechanism for gas sensor reaction in two pathways was considered and activation energies were calculated by density functional theory (DFT) method to describe different sensitivities of tested volatile gases. The experimental results were consistent with the calculations.

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“…Various articles presented the fabrication of ZTO 3 films doped with various elements like F, Cr, In, Ag, Ti, and La. [32][33][34] Alsulami et al synthesized ZTO 3 thin films doped with Cr by spray pyrolysis. They noted that the Cr addition improve the refractive index, optical conductivity, absorption coefficient, and dielectric indices of the ZTO 3 films.…”

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confidence: 99%

Effect of Li Doping on Structural, Optical, and Optoelectrical Characteristics of ZnSnO₃ Thin Films Prepared by Nebulizer Spray Pyrolysis

Alkhamisi

2024

ECS J. Solid State Sci. Technol.

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In this work, ZnSnO3 (ZTO3) and Li-doped ZTO3 thin films were synthesized on glass slides by a cost-effective nebulizer spray pyrolysis procedure. The X-ray diffraction analysis revealed that the ZTO3 and Li-doped ZTO3 thin films possessed a rhombohedral structure. The structural indices (grain size, dislocation density, lattice strain) of the ZTO3 and Li-doped ZTO3 thin films were computed. The morphology characteristics of the ZTO3 and Li-doped ZTO3 thin films were observed by field emission scanning electron microscopy. The inspected films display uniform and homogeneous surfaces. The optical transmittance, T, and reflectance, R, of the ZTO3 and Li-doped ZTO3 thin films were recorded using a double-beam spectrophotometer to investigate the optical characteristics of these layers. The refractive index of the ZTO3 and Li-doped ZTO3 thin films was enhanced via the Li content increase. Moreover, Tauc’s plots demonstrated that the energy gap of the ZTO3 and Li-doped ZTO3 thin films was reduced from 3.85 eV to 3.08 eV by boosting the Li doping content. Moreover, the increase in Li content produces an enhancement in the optoelectrical indices (optical resistivity, optical carrier concentration, optical mobility, plasms frequency, and optical conductivity) of the ZTO3 and Li-doped ZTO3 thin films. The nonlinear optical indices of the ZTO3 and Li-doped ZTO3 thin films were deduced, and it was noted that Li content boosted the nonlinear optical indices of these layers. All the ZTO3 and Li-doped ZTO3 thin films displayed n-type semiconducting properties by the hot probe equipment.

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Ethanol gas sensing property and mechanism of ZnSnO3 doped with Ti ions

Cited by 20 publications

References 43 publications

Sprayed tungsten-doped and undoped bismuth ferrite nanostructured films for reducing and oxidizing gas sensor applications

Sprayed tungsten-doped and undoped bismuth ferrite nanostructured films for reducing and oxidizing gas sensor applications

CeO₂/TiO₂ core/shell nanoparticles as quantitative gas sensor at room temperature

Effect of Li Doping on Structural, Optical, and Optoelectrical Characteristics of ZnSnO₃ Thin Films Prepared by Nebulizer Spray Pyrolysis

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Ethanol gas sensing property and mechanism of ZnSnO3 doped with Ti ions

Cited by 20 publications

References 43 publications

Sprayed tungsten-doped and undoped bismuth ferrite nanostructured films for reducing and oxidizing gas sensor applications

Sprayed tungsten-doped and undoped bismuth ferrite nanostructured films for reducing and oxidizing gas sensor applications

CeO2/TiO2 core/shell nanoparticles as quantitative gas sensor at room temperature

Effect of Li Doping on Structural, Optical, and Optoelectrical Characteristics of ZnSnO3 Thin Films Prepared by Nebulizer Spray Pyrolysis

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Product

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CeO₂/TiO₂ core/shell nanoparticles as quantitative gas sensor at room temperature

Effect of Li Doping on Structural, Optical, and Optoelectrical Characteristics of ZnSnO₃ Thin Films Prepared by Nebulizer Spray Pyrolysis