A Fiber Optic Sensor for Determination of 2,4-dichlorophenol based on Iron(II) Phthalocyanine Catalysis

武汉理工大学学报-材料科学版(英文版), 2015, (6): 1317-1320. doi: 10.1007/s11595-015-1314-3

WANG Yonghong ^1, , TONG Yilin ^2, , HUANG Jun ^3, , LI Kun ^4, , LIU Huichao ^5, , DING Liyun ^6, , LI Mingtian ^7,

1.Wuhan University of Technology Hospital, Wuhan 430070, China

2.National Engineering Laboratory for Fiber 0ptic Sensing Technology, Wuhan University of Technology, Wuhan 430070, China

3.National Engineering Laboratory for Fiber 0ptic Sensing Technology, Wuhan University of Technology, Wuhan 430070, China

4.National Engineering Laboratory for Fiber 0ptic Sensing Technology, Wuhan University of Technology, Wuhan 430070, China

5.National Engineering Laboratory for Fiber 0ptic Sensing Technology, Wuhan University of Technology, Wuhan 430070, China

6.National Engineering Laboratory for Fiber 0ptic Sensing Technology, Wuhan University of Technology, Wuhan 430070, China

7.College of Materials and Chemical Engineering, Sichuan University of Science and Engineering, Zigong 643000, China

基金项目: the National Natural Science Foundation of China (.61377092 and 51303115)

A Fiber Optic Sensor for Determination of 2,4-dichlorophenol based on Iron(II) Phthalocyanine Catalysis

Keywords： 2,4-dichlorophenol

A new ifber optic sensor based on the oxidation of 2,4-dichlorophenol (DCP) catalyzed by iron(II) phthalocyanine (Fe(II)Pc) was developed for the determination of DCP. The optical oxygen sensing iflm containing lfuorescence indicator Ru(bpy)3Cl2 was used to detect the consumption of oxygen in solution. Moreover, a lock-in amplifier was used to determine the lifetime of the sensor head by detecting its phase delay change. The results reveal that the sensor has a linear detection range of 1.0×10-6-9.0×10-5 mol/L and a response time of 5 min. The sensor also has high selectivity, good repeatability and stability. It can be used effectively to determine DCP concentration in real samples.

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A Fiber Optic Sensor for Determination of 2,4-dichlorophenol based on Iron(II) Phthalocyanine Catalysis

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