Cd(II) detection technology of FSMC-IIP modified optical microfiber coupler

IF 2.6 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Optical Fiber Technology Pub Date : 2025-02-13 DOI:10.1016/j.yofte.2025.104157

Chi Liu , Tao Shen , Tianyu Yang , Jiaqing Li , Xiaoyu Zhu , Yue Feng , Tianyu Sun , Junshan Gao

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引用次数: 0

Abstract

Cadmium ions (Cd(II)) represent a significant industrial pollutant with detrimental effects on human health. This study proposes a high-sensitivity optical fiber sensor for detecting Cd(II), which is modified with an optical microfiber coupler(OMC) and utilizes ion imprinting technology. In this approach, Cd(II) were selectively coordinated with the Fe₃O₄@SiO₂@MoS₂@CTS ion-imprinted nanomaterial (FSMC-IIP), resulting in the formation of a complex that significantly diminished the cross-sensitivity to other metal ions. The strong evanescent field generated by OMC interacts with the FSMC-IIP that adsorbs Cd(II), leading to alterations in the evanescent field. This interaction enables effective detection of Cd(II) with enhanced sensitivity. At 25℃and PH=6, the OMC/FSMC-IIP sensor showed a detection limit of 0.006

μ

M for Cd(II). In addition, the FSMC-IIP/OMC sensor exhibited a short response time of 36s and a wide detection range of 0.0001

μ

\sim 10 μ

M. The sensor achieved a Cd(II) recovery rate of 89.1%

\sim

117.81% in real water samples, which is feasible for application in water quality testing and other fields.

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来源期刊

Optical Fiber Technology 工程技术-电信学

CiteScore

4.80

自引率

11.10%

发文量

327

审稿时长

63 days

期刊介绍： Innovations in optical fiber technology are revolutionizing world communications. Newly developed fiber amplifiers allow for direct transmission of high-speed signals over transcontinental distances without the need for electronic regeneration. Optical fibers find new applications in data processing. The impact of fiber materials, devices, and systems on communications in the coming decades will create an abundance of primary literature and the need for up-to-date reviews. Optical Fiber Technology: Materials, Devices, and Systems is a new cutting-edge journal designed to fill a need in this rapidly evolving field for speedy publication of regular length papers. Both theoretical and experimental papers on fiber materials, devices, and system performance evaluation and measurements are eligible, with emphasis on practical applications.