The detection of toxic gases (CO, FN3, HI, N2, CH4, N2O, and O3) using a wearable Kapton–graphene biosensor for environmental and biomedical applications
Marzieh Ramezani Farani, Hanseung Kim, Munirah Alhammadi, Yun Suk Huh
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引用次数: 0
Abstract
Toxic gas emissions are a critical global health concern, responsible for numerous deaths each year. These hazardous gases can cause severe physiological reactions and even death upon exposure. To address this issue, we propose a graphene-Kapton-based flexible biosensor for non-invasive toxic gas detection. The sensor is designed to accurately detect and identify several harmful gases, including carbon monoxide (CO), fluorine azide (FN3), hydrogen iodide (HI), nitrogen (N2), methane (CH4), nitrous oxide (N2O), and ozone (O3). Utilizing the Computer Simulation Technology (CST) Studio Suite 2024, we simulate the detection process, focusing on advanced techniques and miniature flexible structures. The sensor’s active element is a graphene patch embedded within a polyimide (Kapton) film, which allows for precise determination of the RF planar resonant structure’s frequency response. The graphene–Kapton biosensor is shown to have remarkable detection performance, as demonstrated by the results of the simulation, with a diffusivity of \({9.09e}^{-08}[{m}^{2}/S]\), an accuracy of \({6.62e}^{-13}\), and a power loss of \(1.5 mW\). These findings highlight the sensor’s potential as an effective tool for detecting and identifying toxic gases with high precision and efficiency.
有毒气体排放是一个严重的全球健康问题，每年造成无数人死亡。这些有害气体可引起严重的生理反应，甚至暴露后死亡。为了解决这个问题，我们提出了一种基于石墨烯-卡普顿的柔性生物传感器，用于非侵入性有毒气体检测。该传感器设计用于准确检测和识别几种有害气体，包括一氧化碳（CO）、氟叠氮（FN3）、碘化氢（HI）、氮（N2）、甲烷（CH4）、氧化亚氮（N2O）和臭氧（O3）。利用计算机仿真技术（CST） Studio Suite 2024，我们模拟了探测过程，重点是先进的技术和微型柔性结构。传感器的有源元件是嵌在聚酰亚胺（Kapton）薄膜内的石墨烯贴片，可以精确测定射频平面谐振结构的频率响应。仿真结果表明，石墨烯-卡普顿生物传感器具有卓越的检测性能，其扩散率为\({9.09e}^{-08}[{m}^{2}/S]\)，精度为\({6.62e}^{-13}\)，功耗为\(1.5 mW\)。这些发现突出了传感器作为高精度和高效率检测和识别有毒气体的有效工具的潜力。图形摘要
期刊介绍：
Carbon Letters aims to be a comprehensive journal with complete coverage of carbon materials and carbon-rich molecules. These materials range from, but are not limited to, diamond and graphite through chars, semicokes, mesophase substances, carbon fibers, carbon nanotubes, graphenes, carbon blacks, activated carbons, pyrolytic carbons, glass-like carbons, etc. Papers on the secondary production of new carbon and composite materials from the above mentioned various carbons are within the scope of the journal. Papers on organic substances, including coals, will be considered only if the research has close relation to the resulting carbon materials. Carbon Letters also seeks to keep abreast of new developments in their specialist fields and to unite in finding alternative energy solutions to current issues such as the greenhouse effect and the depletion of the ozone layer. The renewable energy basics, energy storage and conversion, solar energy, wind energy, water energy, nuclear energy, biomass energy, hydrogen production technology, and other clean energy technologies are also within the scope of the journal. Carbon Letters invites original reports of fundamental research in all branches of the theory and practice of carbon science and technology.
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