用于硼酸浓度检测的UIO-66-(OH) 2 -改性光纤SPR传感器

IF 4.3 2区综合性期刊 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Sensors Journal Pub Date : 2024-12-19 DOI:10.1109/JSEN.2024.3516013

Ziqiang Zhang;Chunlan Liu;Yabin Shao;Yong Wei;Puxi Ren;Yixiong Tang;Chao Guo;Zhihai Liu

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引用次数: 0

摘要

工业废水中硼酸浓度是否达到排放限值的检测具有重要意义。传统的化学检测方法复杂、耗时、操作困难。本文对光纤SPR传感器金膜表面的金属有机骨架（mof）材料uuo -66-(OH)2进行改性，实现了对低浓度硼酸的特异性检测。该材料的类金属性质增强了SPR现象，使传感器的折射率灵敏度提高到4706.67 nm/RIU，比改性前提高了87%。此外，UIO-66-(OH)2材料表面的大量羟基和酚羟基形成配位键特异性吸附硼酸，实现了硼酸浓度的特异性检测，灵敏度为2.807 nm/lg(pM/mL)，检出限为124.06 pM/mL。本文提出的硼酸浓度检测SPR传感器为材料改性光纤SPR传感器检测微量物质提供了一种新方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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UIO-66-(OH)₂-Modified Optical Fiber SPR Sensor for Boric Acid Concentration Detection

It is important to detect whether the concentration of boric acid in industrial wastewater meets the discharge limit. Conventional chemical detection methods are complex, time-consuming, and difficult to operate. This article modifies the metal organic frameworks (MOFs) material UIO-66-(OH)2 on the surface of the gold film of the optical fiber SPR sensor, achieving specific detection of low concentration boric acid. The metallic-like properties of this material enhance the SPR phenomenon, increasing the refractive index sensitivity of the sensor to 4706.67 nm/RIU, which is 87% higher than before modification. In addition, a large number of hydroxyl and phenolic hydroxyl groups on the surface of UIO-66-(OH)2 material form coordination bonds to specifically adsorb boric acid, achieving specific detection of boric acid concentration with a sensitivity of 2.807 nm/lg(pM/mL) and a detection limit of 124.06 pM/mL. The boric acid concentration detection SPR sensor proposed in this article provides a new method for detecting microsubstances by material-modified optical fiber SPR sensor.

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来源期刊

IEEE Sensors Journal 工程技术-工程：电子与电气

CiteScore

7.70

自引率

14.00%

发文量

2058

审稿时长

5.2 months

期刊介绍： The fields of interest of the IEEE Sensors Journal are the theory, design , fabrication, manufacturing and applications of devices for sensing and transducing physical, chemical and biological phenomena, with emphasis on the electronics and physics aspect of sensors and integrated sensors-actuators. IEEE Sensors Journal deals with the following: -Sensor Phenomenology, Modelling, and Evaluation -Sensor Materials, Processing, and Fabrication -Chemical and Gas Sensors -Microfluidics and Biosensors -Optical Sensors -Physical Sensors: Temperature, Mechanical, Magnetic, and others -Acoustic and Ultrasonic Sensors -Sensor Packaging -Sensor Networks -Sensor Applications -Sensor Systems: Signals, Processing, and Interfaces -Actuators and Sensor Power Systems -Sensor Signal Processing for high precision and stability (amplification, filtering, linearization, modulation/demodulation) and under harsh conditions (EMC, radiation, humidity, temperature); energy consumption/harvesting -Sensor Data Processing (soft computing with sensor data, e.g., pattern recognition, machine learning, evolutionary computation; sensor data fusion, processing of wave e.g., electromagnetic and acoustic; and non-wave, e.g., chemical, gravity, particle, thermal, radiative and non-radiative sensor data, detection, estimation and classification based on sensor data) -Sensors in Industrial Practice