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What are the materials used in semiconductors gas sensors? 


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Gas sensors based on semiconductors utilize a variety of materials for their operation. These materials include semiconductor metal-oxides (MOX), polymers, carbon nanotubes, 2D materials, metal-organic frameworks (MOFs), MXenes, graphitic carbon nitride (g-C3N4), hexagonal boron nitride (h-BN), group III-VI semiconductors, phosphorene, black phosphorus, metal ferrites, high entropy oxides, Si, Ge, III-V semiconductors, and carbon-based materials such as graphene and 2D transition metal dichalcogenides (TMDs) . These materials are chosen based on their electrical, optical, and mechanical properties, as well as their compatibility with the fabrication processes used in the microelectronics industry. The selection of the appropriate material is crucial for optimizing the gas-sensing performance of the sensor .

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The paper discusses the use of two-dimensional materials such as graphene oxide, reduced graphene oxide, transition metal dichalcogenides (TMDs), phosphorene, and MXenes in gas sensing applications.
The paper discusses various gas-sensing materials used in semiconductors gas sensors, including metal-organic frameworks (MOFs), MXenes, graphitic carbon nitride (g-C3N4), hexagonal boron nitride (h-BN), group III–VI semiconductors, phosphorene, black phosphorus, metal ferrites, and high entropy oxides.
The materials commonly used in semiconductor gas sensors include Si, Ge, III-V, metal oxides, GaN, SiC, 2D-TMD, and carbon-based materials.
Book ChapterDOI
01 Jan 2023
1 Citations
The paper discusses the use of semiconductor metal-oxides (MOX) and nonoxide materials, such as Polymers, Carbon Nanotubes, and 2D materials, in conductometric gas sensors.

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