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A silver nanoparticle-modified evanescent field optical fiber sensor for methylene blue detection
Luo, Ji1; Yao, Jun1; Lu, Yonggang2; Ma, Wenying3; Zhuang, Xuye4; Luo, J. (rockyluoji@163.com)
Source PublicationSensors (Switzerland)
Volume13Issue:3Pages:3986-3997
2013
Language英语
ISSN14248220
DOI10.3390/s130303986
Indexed BySCI ; Ei
WOS IDWOS:000316612900081
Subtype期刊论文
AbstractA 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 μmol/mL, the sensor response is linear (R = 0.9496). A concentration variation of 0.1 μmol/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. © 2013 by the authors; licensee MDPI, Basel, Switzerland.; 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 μmol/mL, the sensor response is linear (R = 0.9496). A concentration variation of 0.1 μmol/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. © 2013 by the authors; licensee MDPI, Basel, Switzerland.
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Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6934
Collection轻量化中心
Corresponding AuthorLuo, J. (rockyluoji@163.com)
Affiliation1. State Key Laboratory of Optical Technologies on Nano-Fabrication and Mirco-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
2. Lightweight Optics and Advanced Materials Technology Center, Chinese Academy of Sciences, Chengdu 610209, China
3. Department of Communication Engineering, Chengdu University of Information Technology, Chengdu 610225, China
4. East China Institute of Optoelectronic Integrated Devices, Bengbu 233042, China
Recommended Citation
GB/T 7714
Luo, Ji,Yao, Jun,Lu, Yonggang,et al. A silver nanoparticle-modified evanescent field optical fiber sensor for methylene blue detection[J]. Sensors (Switzerland),2013,13(3):3986-3997.
APA Luo, Ji,Yao, Jun,Lu, Yonggang,Ma, Wenying,Zhuang, Xuye,&Luo, J. .(2013).A silver nanoparticle-modified evanescent field optical fiber sensor for methylene blue detection.Sensors (Switzerland),13(3),3986-3997.
MLA Luo, Ji,et al."A silver nanoparticle-modified evanescent field optical fiber sensor for methylene blue detection".Sensors (Switzerland) 13.3(2013):3986-3997.
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