Recent advances on Co3O4-based nanostructure photocatalysis: Structure, Synthesis, Modification strategies, and Applications

Surfaces and Interfaces, Год журнала: 2024, Номер 54, С. 105152 - 105152

Опубликована: Сен. 25, 2024

Язык: Английский

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First-Principles Investigation of Transition Metal (Co, Rh, and Ir)-Modified WS₂ Monolayer Membranes: Adsorption and Detection of SF₆ Decomposition Gases

ACS Applied Nano Materials, Год журнала: 2024, Номер 7(11), С. 13379 - 13391

Опубликована: Июнь 3, 2024

At high temperatures, the rapid and effective detection of SF6 decomposition gas is a major challenge. Therefore, online at temperatures for Gas Insulated Switchgear fault diagnosis necessary. In this work, first-principles calculations are used to examine adsorption sensing properties pristine WS2 transition metal Co, Rh, Ir-modified toward H2S, SO2, SOF2, SO2F2. Our study delved into energy mechanisms each system, exploring various aspects including energy, band gap, electron density, frontier orbital theory, conductivity, recovery time. The findings indicate that surface exhibits excellent capabilities decomposed gases. Co-WS2 has good performance SOF2 can achieve faster desorption these three gases (598 K). SO2F2 be desorbed rapidly (0.65 s) from Rh-WS2 room temperature, selectivity Interestingly, Ir-WS2 remains difficult desorb even H2S (−2.642 eV), SO2 (−2.260 (−1.945 (−2.841 eV) as scavenger four simulation experiments in aim investigate advantages detecting

Язык: Английский

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A Mini-Review on Metal Oxide Semiconductor Gas Sensors for Carbon Monoxide Detection at Room Temperature

Chemosensors, Год журнала: 2024, Номер 12(4), С. 55 - 55

Опубликована: Апрель 6, 2024

Carbon monoxide can cause severe harm to humans even at low concentrations. Metal Oxide Semiconductor (MOS) carbon gas sensors have excellent sensing performance regarding sensitivity, selectivity, response speed, and stability, making them very desirable candidates for monitoring. However, MOS generally work temperatures higher than room temperature, need a heating source that causes high power consumption. High consumption is great problem long-term portable monitoring devices point-of-care or wireless sensor nodes IoT application. Room-temperature function well without heater, rather suitable applications. This review first introduces the primary working mechanism of then gives detailed introduction analysis room-temperature materials, such as ZnO, SnO2, TiO2. Lastly, several mechanisms based on MOSs are discussed. The will be interesting engineers researchers sensors.

Язык: Английский

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DFT study of Cun (n = 1–3) cluster-modified WSe2 monolayers for the detection of SF6 decomposition gases (H2S, SO2, SOF2 and SO2F2)

Surfaces and Interfaces, Год журнала: 2024, Номер 52, С. 104904 - 104904

Опубликована: Авг. 11, 2024

Язык: Английский

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Exploration on the application of copper oxide particles doped janus ZrSSe in detecting dissolved gases in oil-immersed transformers: A DFT study

Materials Today Chemistry, Год журнала: 2024, Номер 38, С. 102038 - 102038

Опубликована: Апрель 10, 2024

Язык: Английский

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Low detection based on Pd Pt /In2O3 nanospheres for rapid hydrogen detection

Sensors and Actuators B Chemical, Год журнала: 2024, Номер 410, С. 135654 - 135654

Опубликована: Март 18, 2024

Язык: Английский

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Trace detection of SF6 gas decomposition component H2S based on Pr6O11-In2O3

Sensors and Actuators B Chemical, Год журнала: 2024, Номер 412, С. 135822 - 135822

Опубликована: Апрель 16, 2024

Язык: Английский

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Chemiresistive detection of SO2 in SF6 decomposition products based on ZnO nanorod/MoS2 nanoflower heterojunctions: experimental and first-principles investigations

Sensors and Actuators B Chemical, Год журнала: 2023, Номер 403, С. 135170 - 135170

Опубликована: Дек. 19, 2023

Язык: Английский

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Gas-Sensitive Performance Study of Metal (Au, Pd, Pt)/ZnO Heterojunction Gas Sensors for Dissolved Gases in Transformer Oil

Langmuir, Год журнала: 2024, Номер 40(18), С. 9819 - 9830

Опубликована: Апрель 25, 2024

An oil-immersed transformer is a critical electrical device for power delivery. Online monitoring of operation the key to ensuring regular systems. This paper proposes Au/ZnO, Pd/ZnO, and Pt/ZnO heterojunctions as new gas-sensitive materials investigates their performance dissolved gases (C2H4, CO, H2) in oil. Upon theoretical density functional theory (DFT) calculations, analysis total states (TDOS), partial (PDOS), molecular orbital theory, charge deformation reveals that Au, Pd, Pt form with ZnO, which enhance conductivity system. Meanwhile, intrinsic ZnO unsuitable gas detection adsorption, while Au/ZnO heterojunction suits C2H4 detection. In contrast, Pd/ZnO suitable H2 detection, CO The adsorption models changed varying degrees after adsorption. different change rate just serves foundation determining type concentration research results act constructing sensors ZnO-based material.

Язык: Английский

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Ultrasensitive detection and sensitivity mechanism of SO2F2 in SF6 decomposition product based on TiO2-NiS heterojunction

Sensors and Actuators B Chemical, Год журнала: 2024, Номер 417, С. 136062 - 136062

Опубликована: Июнь 3, 2024

Язык: Английский

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