Preparation of reduced graphene oxide decorated two-dimensional WSe2 nanosheet sensor for efficient detection of ethanol gas

Hussain, Altaf; Lakhan, Muhammad Nazim; Soomro, Irfan Ali; Ahmed, Mukhtiar; Hanan, Abdul; Maitlo, Asif Ali; Zehra, Irum; Liu, Jingyuan; Wang, Jun

doi:10.1016/j.physe.2022.115574

Cited by 27 publications

(10 citation statements)

References 52 publications

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“…56 The second stage involves a coordinated proton−electron transfer that regenerates oxygen sites and deprotonates oxygen ions. 56,57 The analysis results, including SAED and XRD, indicate that synthesized CuO-400 exhibits cubic structures free of impurities. The SEM, TEM, HRTEM, and SAED images confirm the production of smaller ellipsoid-shaped CuO-400 NEs particles with a signal crystal.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

“…The mechanism involves two chemical stages, the first of which is the formation of O–O bonds and molecular oxygen from oxygen sites in the lattice via O v . The second stage involves a coordinated proton–electron transfer that regenerates oxygen sites and deprotonates oxygen ions. , …”

Section: Resultsmentioning

confidence: 99%

“…All sensors exhibited p-type sensing properties, including an increase in resistance when exposed to reducing gases and a return to the initial state when the sensor was exposed to air. Thus, the response can be calculated by dividing the gas resistance ( R g ) by the air resistance ( R a ) ( R = R g / R a ). , The operating temperature of a gas sensor is one of the most important parameters affecting its performance. The operating temperature affects gas-sensing processes, including adsorption/desorption and surface reactions.…”

Section: Resultsmentioning

confidence: 99%

“…Thus, the response can be calculated by dividing the gas resistance (R g ) by the air resistance (R a ) (R = R g /R a ). 19,57 The operating temperature of a gas sensor is one of the most important parameters affecting its performance. The operating temperature affects gas-sensing processes, including adsorption/desorption and surface reactions.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

See 3 more Smart Citations

Ultrafast Response and High Selectivity of Diethylamine Gas Sensors at Room Temperature Using MOF-Derived 1D CuO Nano-Ellipsoids

Hussain,

Lou,

Bushira

et al. 2023

Anal. Chem.

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Section: ■ Results and Discussionmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: ■ Results and Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Ultrafast Response and High Selectivity of Diethylamine Gas Sensors at Room Temperature Using MOF-Derived 1D CuO Nano-Ellipsoids

Hussain,

Lou,

Bushira

et al. 2023

Anal. Chem.

Self Cite

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“…However, it is flammable with an explosion range of 3.3–19 vol% [ 4 ]. In addition, excessive inhalation, consumption, or similar exposure to ethanol vapor causes drowsiness, irritation of the eyes, liver damage, breathing difficulties, headache, vertigo, nausea, fatigue, and even anesthesia and damage to the nervous system [ 5 , 6 , 7 ]. Ethanol consumption by drivers is a major contributor to automotive accidents globally, with impairment and crash risk rising significantly at blood alcohol concentrations over 425 ppm [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

CoFe2O4 on Mica Substrate as Flexible Ethanol Gas Sensor in Self-Heating Mode

Kim,

Choi,

Jung

et al. 2024

Sensors

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In this study, a novel flexible ethanol gas sensor was created by the deposition of a CoFe2O4 (CFO) thin film on a thin mica substrate using the pulsed laser deposition technique. Transition electron microscopy (TEM) investigations clearly demonstrated the successful growth of CFO on the mica, where a well-defined interface was observed. Ethanol gas-sensing studies showed optimal performance at 200 °C, with the highest response of 19.2 to 100 ppm ethanol. Operating the sensor in self-heating mode under 7 V applied voltage, which corresponds to a temperature of approximately 200 °C, produced a maximal response of 19.2 to 100 ppm ethanol. This aligned with the highest responses observed during testing at 200 °C, confirming the sensor’s accuracy and sensitivity to ethanol under self-heating conditions. In addition, the sensor exhibited good selectivity to ethanol and excellent flexibility, maintaining its high performance after bending and tilting up to 5000 times. As this is the first report on flexible self-heated CFO gas sensors, we believe that this research holds great promise for the future development of high-quality sensors based on this approach.

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V‐MXenes for Energy Storage/Conversion Applications

Hussain,

Kewate,

Hanan

et al. 2024

ChemSusChem

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MXenes, a two‐dimensional (2D) material, exhibit excellent optical, electrical, chemical, mechanical, and electrochemical properties. Titanium‐based MXene (Ti‐MXene) has been extensively studied and serves as the foundation for 2D MXenes. However, other transition metals possess the potential to offer excellent properties in various applications. This comprehensive review aims to provide an overview of the properties, challenges, key findings, and applications of less‐explored vanadium‐based MXenes (V‐MXenes) and their composites. The current trends in V‐MXene and their composites for energy storage and conversion applications have been thoroughly summarized. Overall, this review offers valuable insights, identifies potential opportunities, and provides key suggestions for future advancements in the MXenes and energy storage/conversion applications.

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Preparation of reduced graphene oxide decorated two-dimensional WSe2 nanosheet sensor for efficient detection of ethanol gas

Cited by 27 publications

References 52 publications

Ultrafast Response and High Selectivity of Diethylamine Gas Sensors at Room Temperature Using MOF-Derived 1D CuO Nano-Ellipsoids

Ultrafast Response and High Selectivity of Diethylamine Gas Sensors at Room Temperature Using MOF-Derived 1D CuO Nano-Ellipsoids

CoFe2O4 on Mica Substrate as Flexible Ethanol Gas Sensor in Self-Heating Mode

V‐MXenes for Energy Storage/Conversion Applications

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