ReviewMaterials (Basel, Switzerland)2022
Metal Oxide Heterostructures for Improving Gas Sensing Properties: A Review.
Review in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
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- Sensing Characteristics of the SnSe/GeSe Heterojunction on Dissolved Gases in Transformer Oil.ACS omega · 2025Article
- Growth mechanism and formaldehyde sensing of mixed phase cobalt oxide nanowalls.Scientific reports · 2025Article
- Glancing Angle Deposition in Gas Sensing: Bridging Morphological Innovations and Sensor Performances.Nanomaterials (Basel, Switzerland) · 2025Review
- Metal oxide heterostructure towards gas sensing of trimethylamine: recent progress and challenges.RSC advances · 2025Review
- ZnO/MOSensors (Basel, Switzerland) · 2025Article
- Synthesis and Gas-Sensing Performances of MnTheScientificWorldJournal · 2025Article
- Nanoparticle-Composed Photosensitive Thin Films Based on ZnO.Materials (Basel, Switzerland) · 2024Article
- Graphene-Wrapped ZnO Nanocomposite with Enhanced Room-Temperature Photo-Activated Toluene Sensing Properties.Materials (Basel, Switzerland) · 2024Article
- HTheScientificWorldJournal · 2024Article
- Advancements in Improving Selectivity of Metal Oxide Semiconductor Gas Sensors Opening New Perspectives for Their Application in Food Industry.Sensors (Basel, Switzerland) · 2023Review
- Regulating the Electron Depletion Layer of Au/VNanomaterials (Basel, Switzerland) · 2023Article
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3 authors.
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Abstract
Metal oxide semiconductor gas sensors are widely used to detect toxic and inflammable gases in industrial production and daily life. The main research hotspot in this field is the synthesis of gas sensing materials. Previous studies have shown that incorporating two or more metal oxides to form a heterojunction interface can exhibit superior gas sensing performance in response and selectivity compared with single phase. This review focuses on mainly the synthesis methods and gas sensing mechanisms of metal oxide heterostructures. A significant number of heterostructures with different morphologies and shapes have been fabricated, which exhibit specific sensing performance toward a specific target gas. Among these synthesis methods, the hydrothermal method is noteworthy due to the fabrication of diverse structures, such as nanorod-like, nanoflower-like, and hollow sphere structures with enhanced sensing properties. In addition, it should be noted that the combination of different synthesis methods is also an efficient way to obtain metal oxide heterostructures with novel morphologies. Despite advanced methods in the metal oxide semiconductors and nanotechnology field, there are still some new issues which deserve further investigation, such as long-term chemical stability of sensing materials, reproducibility of the fabrication process, and selectivity toward homogeneous gases. Moreover, the gas sensing mechanism of metal oxide heterostructures is controversial. It should be clarified so as to further integrate laboratory theory research with practical exploitation.
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