Low-cost high- performance NO2 sensor based on nanoporous indium tin oxide (ITO) film

Zheng, Xiaohong; Qiao, Xinfeng; Luo, Fengyu; Wan, Bo; Zhang, Cheng

doi:10.1016/j.snb.2021.130440

Cited by 17 publications

(3 citation statements)

References 49 publications

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“…The Bragg reflections at 2θ = 26. 6 • 33.9 [33][34][35], corresponding to the ITO substrate. The peak at 2θ = 37.8 • indicates the presence of gold and silver metallic particles (ICDD PDF#65-8601 and 65-8428, respectively) [32,36,37].…”

Section: Microstructural Characterizationmentioning

confidence: 99%

“…The Bragg reflections at 2θ = 26. 6° 33.9°, 52.6°, 54.6°, 61.7°, 65.7°, 72.3°, and 7 indicate the presence of tetragonal tin oxide, SnO2 (ICDD PDF#46-1088) [33][34][35], co sponding to the ITO substrate. The peak at 2θ = 37.8° indicates the presence of gold silver metallic particles (ICDD PDF#65-8601 and 65-8428, respectively) [32,36,37].…”

Section: Microstructural Characterizationmentioning

confidence: 99%

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Au-Ag/TiO2 Thin Films Preparation by Laser Ablation and Sputtering Plasmas for Its Potential Use as Photoanodes in Electrochemical Advanced Oxidation Processes (EAOP)

et al. 2021

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Titanium dioxide (TiO2) is widely used, studied, and synthesized using different methodologies. By a modification of the material, it can be applied to wastewater treatment. A combined sputtering-laser ablation setup was used to deposit TiO2 thin films modified, individually and simultaneously, with gold (Au) and silver (Ag). To investigate the effect of the metal incorporation in titanium and its impact on the photocatalytic activity, with dye discoloration as a pollutant compound model, the deposited films were characterized by UV–Vis, photoluminescence, and Raman spectroscopies, as well as by parallel beam X-ray diffraction. The results showed that films with different Au and Ag loads, and an 18 nm average crystallite size, were obtained. These metals have an essential effect on the deposited film’s compositional, structural, and optical properties, directly reflected in its photocatalytic activity. The photocatalytic test results using UV-Vis showed that, after 1 h of applying a 4.8 V electric voltage, a discoloration of up to 80% of malachite green (MG) was achieved, using ultraviolet (UV) light.

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Section: Microstructural Characterizationmentioning

confidence: 99%

Section: Microstructural Characterizationmentioning

confidence: 99%

Au-Ag/TiO2 Thin Films Preparation by Laser Ablation and Sputtering Plasmas for Its Potential Use as Photoanodes in Electrochemical Advanced Oxidation Processes (EAOP)

et al. 2021

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“…[18,19] While extensive experimental research has been conducted on 2D gas sensors utilizing MoS 2 , additional efforts are required to comprehend the detection mechanisms for various gases. [20][21][22] The first principles method can serve as a valuable tool to elucidate the interaction mechanisms between 2D transition metal dichalcogenides (TMDs). [23] For example, Jiaming Ni conducted research on enhancing the gas sensing capabilities of monolayer WSe 2 by incorporating dopants such as Pd, Ag, Au, and Pt.…”

Section: Introductionmentioning

confidence: 99%

A First‐Principles Investigation of Monolayer MoS₂ Doped with Mn and V as an Excellent NO₂ Sensor with High Selectivity

Tian,

Hu,

et al. 2024

Physica Status Solidi (b)

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This article conducts a comprehensive investigation into the adsorption properties of both pristine MoS2 monolayers and those doped with Mn and V, wherein these dopants replace Mo atoms. By the first‐principles calculations, the research reveals a noteworthy reduction in the adsorption energy of NO2 on Mn‐doped and V‐doped MoS2 monolayers compared to pure MoS2 monolayers. Specifically, at the most favorable adsorption site, the adsorption energy decreases from −5.83 to 5.908 eV for Mn‐doped MoS2 and from −5.58 to −6.17 eV for V‐doped MoS2. Furthermore, computations of the band structure, work function, and charge density difference highlight a significant degree of charge transfer and coexistence of electrons within these systems. Additionally, post‐adsorption of NO2 molecules, a distinct shift in the density of states (DOS) toward lower energy states is observed at the adsorption sites of both MoS2/Mn and MoS2/V monolayers, underscoring their exceptional sensitivity in detecting NO2. In summary, these results demonstrate the substantial potential of Mn‐doped and V‐doped MoS2 monolayers as highly sensitive materials for NO2 detection. Their lower adsorption energies and noteworthy shifts in DOS following NO2 adsorption enhance their capabilities as NO2 sensors.

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Theoretical study of adsorption of gas (CO, CO2, NH3) by metal (Au, Ag, Cu)-doped single-layer WS2

Zhao,

Wen,

et al. 2024

J Mol Model

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Low-cost high- performance NO2 sensor based on nanoporous indium tin oxide (ITO) film

Cited by 17 publications

References 49 publications

Au-Ag/TiO2 Thin Films Preparation by Laser Ablation and Sputtering Plasmas for Its Potential Use as Photoanodes in Electrochemical Advanced Oxidation Processes (EAOP)

Au-Ag/TiO2 Thin Films Preparation by Laser Ablation and Sputtering Plasmas for Its Potential Use as Photoanodes in Electrochemical Advanced Oxidation Processes (EAOP)

A First‐Principles Investigation of Monolayer MoS₂ Doped with Mn and V as an Excellent NO₂ Sensor with High Selectivity

Theoretical study of adsorption of gas (CO, CO2, NH3) by metal (Au, Ag, Cu)-doped single-layer WS2

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Low-cost high- performance NO2 sensor based on nanoporous indium tin oxide (ITO) film

Cited by 17 publications

References 49 publications

Au-Ag/TiO2 Thin Films Preparation by Laser Ablation and Sputtering Plasmas for Its Potential Use as Photoanodes in Electrochemical Advanced Oxidation Processes (EAOP)

Au-Ag/TiO2 Thin Films Preparation by Laser Ablation and Sputtering Plasmas for Its Potential Use as Photoanodes in Electrochemical Advanced Oxidation Processes (EAOP)

A First‐Principles Investigation of Monolayer MoS2 Doped with Mn and V as an Excellent NO2 Sensor with High Selectivity

Theoretical study of adsorption of gas (CO, CO2, NH3) by metal (Au, Ag, Cu)-doped single-layer WS2

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A First‐Principles Investigation of Monolayer MoS₂ Doped with Mn and V as an Excellent NO₂ Sensor with High Selectivity