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题名:
A Silver Nanoparticle-Modified Evanescent Field Optical Fiber Sensor for Methylene Blue Detection
作者: Luo, Ji1; Yao, Jun1; Lu, Yonggang2; Ma, Wenying3; Zhuang, Xuye4
刊名: SENSORS
出版日期: 2013-03-01
卷号: 13, 期号:3, 页码:3986-3997
关键词: evanescent field optical fiber sensors ; silver nanoparticles ; MEMS microchannel chip ; sensitivity ; methylene blue detection
文章类型: Article
英文摘要: A silver nanoparticle-modified evanescent field optical fiber sensor based on a MEMS microchannel chip has been successfully fabricated. Experimental results show that the sensor response decreases linearly with increasing concentration of analyte. Over a range of methylene blue concentrations from 0 to 0.4 mu mol/mL, the sensor response is linear (R = 0.9496). A concentration variation of 0.1 mu mol/mL can cause an absorbance change of 0.402 dB. Moreover, the optical responses of the same sensing fiber without decoration and modified with silver nanoparticles have also been compared. It can be observed that the output intensity of the Ag nanoparticle-modified sensor is enhanced and the sensitivity is higher. Meanwhile, the absorbance spectra are found to be more sensitive to concentration changes compared to the spectra of the peak wavelength.
WOS标题词: Science & Technology ; Physical Sciences ; Technology
类目[WOS]: Chemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
研究领域[WOS]: Chemistry ; Electrochemistry ; Instruments & Instrumentation
关键词[WOS]: SPECTROSCOPY ; BIOSENSORS ; HYDROGEN
收录类别: SCI
语种: 英语
WOS记录号: WOS:000316612900081
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/1174
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Nanofabricat & Mircoeng, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Lightweight Opt & Adv Mat Technol Ctr, Chengdu 610209, Peoples R China
3.Chengdu Univ Informat Technol, Dept Commun Engn, Chengdu 610225, Peoples R China
4.East China Inst Optoelect Integrated Devices, Bengbu 233042, Peoples R China

Recommended Citation:
Luo, Ji,Yao, Jun,Lu, Yonggang,et al. A Silver Nanoparticle-Modified Evanescent Field Optical Fiber Sensor for Methylene Blue Detection[J]. SENSORS,2013,13(3):3986-3997.
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