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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Petrov, R. H. | Madrid |
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Kočí, Jan | Prague |
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Ali, M. A. |
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Rančić, M. |
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Azevedo, Nuno Monteiro |
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Ohlan, Anil
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article
Room Temperature Ammonia (NH<sub>3</sub>) Gas Sensor based on Molybdenum Disulfide and Reduced Graphene Oxide (MoS<sub>2</sub>/rGO) Heterojunction.
Abstract
<jats:title>Abstract</jats:title><jats:p>Nanocomposites based on 2D materials exhibit synergistic behavior at their interfaces, making them a promising candidate for gas sensing applications. The MoS<jats:sub>2</jats:sub>/rGO nanocomposite used in this study was synthesized using a one-step hydrothermal process. By using X-ray diffraction (XRD), the synthesized composite was thoroughly characterized. The spin coater was used to deposit the nanomaterial thin film onto the glass substrate. The nanocomposite sensing was tested at a 40 ppm concentration of ammonia gas. An increase in ammonia concentration was found to correspond with a rise in the resistance of the sensor. The nanocomposite interface of this sensor enabled it to exhibit a synergistic behavior, resulting in several desirable characteristics, including low power consumption, fast response and recovery times, high selectivity, and a low operating temperature.</jats:p>