Progress in CO<sub>2</sub> Gas Sensing Technologies: Insights into Metal Oxide Nanostructures and Resistance-Based Methods
The demand for reliable and cost-effective CO<sub>2</sub> gas sensors is escalating due to their extensive applications in various sectors such as food packaging, indoor air quality assessment, and real-time monitoring of anthropogenic CO<sub>2</sub> emissions to mitigate glo...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-04-01
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| Series: | Micromachines |
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| Online Access: | https://www.mdpi.com/2072-666X/16/4/466 |
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| author | Yash Ughade Shubham Mehta Gautam Patel Roopa Gowda Nirav Joshi Rohan Patel |
| author_facet | Yash Ughade Shubham Mehta Gautam Patel Roopa Gowda Nirav Joshi Rohan Patel |
| author_sort | Yash Ughade |
| collection | DOAJ |
| description | The demand for reliable and cost-effective CO<sub>2</sub> gas sensors is escalating due to their extensive applications in various sectors such as food packaging, indoor air quality assessment, and real-time monitoring of anthropogenic CO<sub>2</sub> emissions to mitigate global warming. Nanostructured materials exhibit exceptional properties, including small grain size, controlled morphology, and heterojunction effects, rendering them promising candidates for chemiresistive CO<sub>2</sub> gas sensors. This review article provides an overview of recent advancements in chemiresistive CO<sub>2</sub> gas sensors based on nanostructured semiconducting materials. Specifically, it discusses single oxide structures, metal-decorated oxide nanostructures, and heterostructures, elucidating the correlations between these nanostructures and their CO<sub>2</sub> sensing properties. Additionally, it addresses the challenges and future prospects of chemiresistive CO<sub>2</sub> gas sensors, aiming to provide insights into the ongoing developments in this field. |
| format | Article |
| id | doaj-art-4b637e0a58e347329e5102d74044ef67 |
| institution | OA Journals |
| issn | 2072-666X |
| language | English |
| publishDate | 2025-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Micromachines |
| spelling | doaj-art-4b637e0a58e347329e5102d74044ef672025-08-20T02:18:10ZengMDPI AGMicromachines2072-666X2025-04-0116446610.3390/mi16040466Progress in CO<sub>2</sub> Gas Sensing Technologies: Insights into Metal Oxide Nanostructures and Resistance-Based MethodsYash Ughade0Shubham Mehta1Gautam Patel2Roopa Gowda3Nirav Joshi4Rohan Patel5Chemistry Department, Parul Institute of Applied Sciences, Parul University, Vadodara 391760, IndiaChemistry Department, Parul Institute of Applied Sciences, Parul University, Vadodara 391760, IndiaChemistry Department, Parul Institute of Applied Sciences, Parul University, Vadodara 391760, IndiaWyant College of Optical Sciences, University of Arizona, Tucson, AZ 85721, USALuxembourg Institute of Science and Technology (LIST), 41 Rue du Brill, L-4422 Belvaux, LuxembourgResearch and Development, Amneal Pharmaceuticals, Bridgewater, NJ 08807, USAThe demand for reliable and cost-effective CO<sub>2</sub> gas sensors is escalating due to their extensive applications in various sectors such as food packaging, indoor air quality assessment, and real-time monitoring of anthropogenic CO<sub>2</sub> emissions to mitigate global warming. Nanostructured materials exhibit exceptional properties, including small grain size, controlled morphology, and heterojunction effects, rendering them promising candidates for chemiresistive CO<sub>2</sub> gas sensors. This review article provides an overview of recent advancements in chemiresistive CO<sub>2</sub> gas sensors based on nanostructured semiconducting materials. Specifically, it discusses single oxide structures, metal-decorated oxide nanostructures, and heterostructures, elucidating the correlations between these nanostructures and their CO<sub>2</sub> sensing properties. Additionally, it addresses the challenges and future prospects of chemiresistive CO<sub>2</sub> gas sensors, aiming to provide insights into the ongoing developments in this field.https://www.mdpi.com/2072-666X/16/4/466metal oxideschemiresistive sensingCO<sub>2</sub> monitoringsensing mechanismsensing performance |
| spellingShingle | Yash Ughade Shubham Mehta Gautam Patel Roopa Gowda Nirav Joshi Rohan Patel Progress in CO<sub>2</sub> Gas Sensing Technologies: Insights into Metal Oxide Nanostructures and Resistance-Based Methods Micromachines metal oxides chemiresistive sensing CO<sub>2</sub> monitoring sensing mechanism sensing performance |
| title | Progress in CO<sub>2</sub> Gas Sensing Technologies: Insights into Metal Oxide Nanostructures and Resistance-Based Methods |
| title_full | Progress in CO<sub>2</sub> Gas Sensing Technologies: Insights into Metal Oxide Nanostructures and Resistance-Based Methods |
| title_fullStr | Progress in CO<sub>2</sub> Gas Sensing Technologies: Insights into Metal Oxide Nanostructures and Resistance-Based Methods |
| title_full_unstemmed | Progress in CO<sub>2</sub> Gas Sensing Technologies: Insights into Metal Oxide Nanostructures and Resistance-Based Methods |
| title_short | Progress in CO<sub>2</sub> Gas Sensing Technologies: Insights into Metal Oxide Nanostructures and Resistance-Based Methods |
| title_sort | progress in co sub 2 sub gas sensing technologies insights into metal oxide nanostructures and resistance based methods |
| topic | metal oxides chemiresistive sensing CO<sub>2</sub> monitoring sensing mechanism sensing performance |
| url | https://www.mdpi.com/2072-666X/16/4/466 |
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