丝网印刷纺织品基底作为电化学传感器构建平台的适用性

IF 4.1 3区 化学 Q1 CHEMISTRY, ANALYTICAL
Nuna G. Costa , Cláudia S. Buga , Natália Cândido Homem , Antonio J. Paleo , Vítor Sencadas , Júlio C. Viana , Arturo Gonzales , Joana C. Antunes , A.M. Rocha
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引用次数: 0

摘要

电子传感器在生物传感器和燃料电池等应用中至关重要,可为物质检测提供快速解决方案。将电化学传感器集成到纺织品中具有灵活性、舒适性和可穿戴应用潜力等优势。本研究探讨了三种纺织品基材--100% 聚酯针织网(S1)、100% 再生聚酯针织网(S2)和 50% 再生聚酯/50% 麻织物(S3)--在构建丝网印刷电极(SPE)方面的适用性。我们的目标是利用半自动丝网印刷技术开发一种基于纺织品的电化学传感器,该传感器具有 3 个电极系统(参比电极、辅助电极和工作电极)。对 Elantas 9553 和杜邦 BQ242 两种碳油墨的电化学性能进行了评估,以选出最佳工作电极 (WE) 油墨。结果发现,杜邦 BQ242 最适合用于生产工作电极(WE),它具有准可逆性和温度稳定性。使用杜邦 BQ242 印刷的纺织品-SPE 的电化学行为表明,基底 S3 具有更优越的性能,峰值电流更高(峰值电流比为 1.2),峰值电位分离更小(602 n/V)。碳 Elantas 9553 对温度变化的敏感度(变化 1%)高于更稳定的杜邦 BQ242(变化 0.03%)。使用 4 点探针法检测了油墨在基底上的稳定性,结果表明,在紫外线、高温、化妆品和人工汗液条件下,油墨具有出色的电气稳定性。最终的纺织品基固相萃取剂优于商用固相萃取剂,显示出卓越的氧化还原特性,在 20 次测量中,峰值电位分离 (ΔEp) 小 56%,相对标准偏差 (RSD) 为 1.58%。这些基于纺织品的固相萃取剂是传统刚性传感器的重要替代品,传统刚性传感器通常是一次性使用,耐用性较差。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Screen-printed textile substrates’ suitability as a platform for electrochemical sensors’ construction
Electronic sensors are essential in applications like biosensors and fuel cells, providing rapid solutions for substance detection. Integrating electrochemical sensors into textiles offers advantages such as flexibility, comfort, and potential for wearable applications. This study explores the suitability of three textile substrates—100 % polyester knit mesh (S1), 100 % recycled polyester knit mesh (S2), and 50 % recycled polyester/50 % hemp fabric (S3)—for constructing screen-printed electrodes (SPEs). The goal is to develop a textile-based electrochemical sensor with a 3-electrode system (reference, auxiliary, and working electrode) using semi-automated screen printing. The electrochemical performance of two carbon inks, Elantas 9553 and DuPont BQ242, was evaluated to select the best working electrode (WE) ink. DuPont BQ242 was found most suitable for WE production, exhibiting quasi-reversible behavior and temperature stability. The electrochemical behavior of the textile-SPEs printed with DuPont BQ242 revealed that substrate S3 had superior properties, with higher peak currents (peak current ratio of 1.2) and smaller peak potential separation (602 n/V). Carbon Elantas 9553 was more sensitive to temperature changes (1 % variation) than the more stable DuPont BQ242 (0.03 % variation). The stability of the inks on substrates was examined using the 4-point probe method, highlighting excellent electrical stability under UV, high temperatures, cosmetics, and artificial sweat. The final textile-based SPE outperformed commercial SPEs, showing superior redox properties, with a peak potential separation (ΔEp) 56 % smaller and a relative standard deviation (RSD) of 1.58 % over 20 measurements. These textile-based SPEs present a valuable alternative to conventional rigid sensors, which are typically single-use and less durable.
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来源期刊
CiteScore
7.80
自引率
6.70%
发文量
912
审稿时长
2.4 months
期刊介绍: The Journal of Electroanalytical Chemistry is the foremost international journal devoted to the interdisciplinary subject of electrochemistry in all its aspects, theoretical as well as applied. Electrochemistry is a wide ranging area that is in a state of continuous evolution. Rather than compiling a long list of topics covered by the Journal, the editors would like to draw particular attention to the key issues of novelty, topicality and quality. Papers should present new and interesting electrochemical science in a way that is accessible to the reader. The presentation and discussion should be at a level that is consistent with the international status of the Journal. Reports describing the application of well-established techniques to problems that are essentially technical will not be accepted. Similarly, papers that report observations but fail to provide adequate interpretation will be rejected by the Editors. Papers dealing with technical electrochemistry should be submitted to other specialist journals unless the authors can show that their work provides substantially new insights into electrochemical processes.
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