{"title":"β-环糊精包覆的 MoO3-ZrO2 纳米复合材料的室温丙酮传感活性","authors":"","doi":"10.1016/j.surfin.2024.105068","DOIUrl":null,"url":null,"abstract":"<div><p>Globalization and industrialization have significantly exacerbated air pollution, particularly through the increase of volatile organic compounds (VOCs), posing severe health risks and environmental challenges. The need for effective VOC detection at room temperature has become critical. In this study, a novel β-Cyclodextrin coated MoO<sub>3</sub>-ZrO<sub>2</sub> nanocomposite was synthesized via a cost-effective simple sol-gel method, aiming to enhance gas sensing properties. Comprehensive characterization techniques confirmed the formation of a mesoporous Zr(MoO<sub>4</sub>)<sub>2</sub> structure with smooth surface morphology in the β-CD coated nanocomposites. The gas sensing performance of the synthesized nanocomposites was rigorously evaluated, with results indicating significantly improved activity towards VOCs at room temperature (30 °C). Among the various compositions, the 10 % β-CD coated MoO<sub>3</sub>-ZrO<sub>2</sub> nanocomposite exhibited the highest response to acetone vapors, with a remarkable sensing response of 1.97, a fast response time of 30 s, and a recovery time of 39 s at a concentration of 100 ppm. This enhanced performance is attributed to the increased specific surface area, the porous structure of the composite, and the unique interaction between acetone and the active sites on the nanocomposite. Comparative analysis with literature-reported materials highlights the superior room-temperature performance of the 10βMZ nanocomposite, positioning it as a promising material for VOC detection in environmental monitoring and industrial safety. This study not only advances the understanding of composite gas sensors but also introduces a novel catalytic system with enhanced gas sensing activity, selectivity, and reusability.</p></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":null,"pages":null},"PeriodicalIF":5.7000,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Room temperature acetone sensing activity of β-Cyclodextrin coated MoO3-ZrO2 nanocomposite\",\"authors\":\"\",\"doi\":\"10.1016/j.surfin.2024.105068\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Globalization and industrialization have significantly exacerbated air pollution, particularly through the increase of volatile organic compounds (VOCs), posing severe health risks and environmental challenges. The need for effective VOC detection at room temperature has become critical. In this study, a novel β-Cyclodextrin coated MoO<sub>3</sub>-ZrO<sub>2</sub> nanocomposite was synthesized via a cost-effective simple sol-gel method, aiming to enhance gas sensing properties. Comprehensive characterization techniques confirmed the formation of a mesoporous Zr(MoO<sub>4</sub>)<sub>2</sub> structure with smooth surface morphology in the β-CD coated nanocomposites. The gas sensing performance of the synthesized nanocomposites was rigorously evaluated, with results indicating significantly improved activity towards VOCs at room temperature (30 °C). Among the various compositions, the 10 % β-CD coated MoO<sub>3</sub>-ZrO<sub>2</sub> nanocomposite exhibited the highest response to acetone vapors, with a remarkable sensing response of 1.97, a fast response time of 30 s, and a recovery time of 39 s at a concentration of 100 ppm. This enhanced performance is attributed to the increased specific surface area, the porous structure of the composite, and the unique interaction between acetone and the active sites on the nanocomposite. Comparative analysis with literature-reported materials highlights the superior room-temperature performance of the 10βMZ nanocomposite, positioning it as a promising material for VOC detection in environmental monitoring and industrial safety. This study not only advances the understanding of composite gas sensors but also introduces a novel catalytic system with enhanced gas sensing activity, selectivity, and reusability.</p></div>\",\"PeriodicalId\":22081,\"journal\":{\"name\":\"Surfaces and Interfaces\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":5.7000,\"publicationDate\":\"2024-09-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Surfaces and Interfaces\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2468023024012240\",\"RegionNum\":2,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, PHYSICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Surfaces and Interfaces","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2468023024012240","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
Room temperature acetone sensing activity of β-Cyclodextrin coated MoO3-ZrO2 nanocomposite
Globalization and industrialization have significantly exacerbated air pollution, particularly through the increase of volatile organic compounds (VOCs), posing severe health risks and environmental challenges. The need for effective VOC detection at room temperature has become critical. In this study, a novel β-Cyclodextrin coated MoO3-ZrO2 nanocomposite was synthesized via a cost-effective simple sol-gel method, aiming to enhance gas sensing properties. Comprehensive characterization techniques confirmed the formation of a mesoporous Zr(MoO4)2 structure with smooth surface morphology in the β-CD coated nanocomposites. The gas sensing performance of the synthesized nanocomposites was rigorously evaluated, with results indicating significantly improved activity towards VOCs at room temperature (30 °C). Among the various compositions, the 10 % β-CD coated MoO3-ZrO2 nanocomposite exhibited the highest response to acetone vapors, with a remarkable sensing response of 1.97, a fast response time of 30 s, and a recovery time of 39 s at a concentration of 100 ppm. This enhanced performance is attributed to the increased specific surface area, the porous structure of the composite, and the unique interaction between acetone and the active sites on the nanocomposite. Comparative analysis with literature-reported materials highlights the superior room-temperature performance of the 10βMZ nanocomposite, positioning it as a promising material for VOC detection in environmental monitoring and industrial safety. This study not only advances the understanding of composite gas sensors but also introduces a novel catalytic system with enhanced gas sensing activity, selectivity, and reusability.
期刊介绍:
The aim of the journal is to provide a respectful outlet for ''sound science'' papers in all research areas on surfaces and interfaces. We define sound science papers as papers that describe new and well-executed research, but that do not necessarily provide brand new insights or are merely a description of research results.
Surfaces and Interfaces publishes research papers in all fields of surface science which may not always find the right home on first submission to our Elsevier sister journals (Applied Surface, Surface and Coatings Technology, Thin Solid Films)