{"title":"检测和分离挥发性有机化合物的纳米技术方法的进展","authors":"Liang Wang , Saianand Gopalan , Ravi Naidu","doi":"10.1016/j.coesh.2023.100528","DOIUrl":null,"url":null,"abstract":"<div><p>This review examines the significant advancements and challenges in the field of gas sensing and separation, focusing on the detection and filtration of volatile organic compounds (VOCs), which are critical atmospheric pollutants. Emphasis is placed on the integration of nanotechnology and novel materials such as metal–organic frameworks and covalent organic frameworks in enhancing the efficiency and selectivity of gas sensors and separation filters. Recent innovations in surface-modified metal oxide semiconductors (MOSs) are explored, highlighting their improved interaction with VOCs due to nanoparticle enhancement. The review further delves into the application of various nanostructures such as graphene oxide, carbon nanotubes, and noble metal–modified MOS in gas-sensor development, highlighting their role in improving sensor reactivity and selectivity. Despite these advancements, the review identifies key challenges such as the uniform distribution of nanoparticles, scalability, cost-effectiveness, and long-term stability of the materials. Future perspectives include the need for efficient, low-energy, and environmentally friendly regeneration techniques for gas filters, along with addressing biocompatibility and environmental concerns related to the use of nanoparticles. The potential of novel synthesis techniques and a holistic approach to system design around the unique properties of nanostructured materials is also highlighted as a future direction in this field.</p></div>","PeriodicalId":52296,"journal":{"name":"Current Opinion in Environmental Science and Health","volume":"37 ","pages":"Article 100528"},"PeriodicalIF":6.7000,"publicationDate":"2023-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2468584423000880/pdfft?md5=70485e2010451ac8b7d3c9e11951be0e&pid=1-s2.0-S2468584423000880-main.pdf","citationCount":"0","resultStr":"{\"title\":\"Advancements in nanotechnological approaches to volatile organic compound detection and separation\",\"authors\":\"Liang Wang , Saianand Gopalan , Ravi Naidu\",\"doi\":\"10.1016/j.coesh.2023.100528\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>This review examines the significant advancements and challenges in the field of gas sensing and separation, focusing on the detection and filtration of volatile organic compounds (VOCs), which are critical atmospheric pollutants. Emphasis is placed on the integration of nanotechnology and novel materials such as metal–organic frameworks and covalent organic frameworks in enhancing the efficiency and selectivity of gas sensors and separation filters. Recent innovations in surface-modified metal oxide semiconductors (MOSs) are explored, highlighting their improved interaction with VOCs due to nanoparticle enhancement. The review further delves into the application of various nanostructures such as graphene oxide, carbon nanotubes, and noble metal–modified MOS in gas-sensor development, highlighting their role in improving sensor reactivity and selectivity. Despite these advancements, the review identifies key challenges such as the uniform distribution of nanoparticles, scalability, cost-effectiveness, and long-term stability of the materials. Future perspectives include the need for efficient, low-energy, and environmentally friendly regeneration techniques for gas filters, along with addressing biocompatibility and environmental concerns related to the use of nanoparticles. 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引用次数: 0
摘要
本综述探讨了气体传感和分离领域的重大进展和挑战,重点是挥发性有机化合物 (VOC) 的检测和过滤,这些化合物是重要的大气污染物。重点放在纳米技术与金属有机框架和共价有机框架等新型材料的结合,以提高气体传感器和分离过滤器的效率和选择性。文章探讨了表面改性金属氧化物半导体(MOS)的最新创新,强调了纳米粒子的增强作用改善了它们与挥发性有机化合物的相互作用。综述进一步深入探讨了氧化石墨烯、碳纳米管和贵金属改性 MOS 等各种纳米结构在气体传感器开发中的应用,强调了它们在提高传感器反应性和选择性方面的作用。尽管取得了这些进展,但综述指出了一些关键挑战,如纳米粒子的均匀分布、可扩展性、成本效益和材料的长期稳定性。未来的前景包括需要高效、低能耗和环保的气体过滤器再生技术,以及解决与使用纳米粒子有关的生物兼容性和环境问题。新型合成技术的潜力以及围绕纳米结构材料独特性能进行系统设计的整体方法也被强调为该领域的未来发展方向。
Advancements in nanotechnological approaches to volatile organic compound detection and separation
This review examines the significant advancements and challenges in the field of gas sensing and separation, focusing on the detection and filtration of volatile organic compounds (VOCs), which are critical atmospheric pollutants. Emphasis is placed on the integration of nanotechnology and novel materials such as metal–organic frameworks and covalent organic frameworks in enhancing the efficiency and selectivity of gas sensors and separation filters. Recent innovations in surface-modified metal oxide semiconductors (MOSs) are explored, highlighting their improved interaction with VOCs due to nanoparticle enhancement. The review further delves into the application of various nanostructures such as graphene oxide, carbon nanotubes, and noble metal–modified MOS in gas-sensor development, highlighting their role in improving sensor reactivity and selectivity. Despite these advancements, the review identifies key challenges such as the uniform distribution of nanoparticles, scalability, cost-effectiveness, and long-term stability of the materials. Future perspectives include the need for efficient, low-energy, and environmentally friendly regeneration techniques for gas filters, along with addressing biocompatibility and environmental concerns related to the use of nanoparticles. The potential of novel synthesis techniques and a holistic approach to system design around the unique properties of nanostructured materials is also highlighted as a future direction in this field.