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题名: Fiber-optic fluorescence sensor for dissolved oxygen detection based on fluorinated xerogel immobilized with ruthenium (II) complex
作者: Xiong, Yan1;  Xu, Jing1;  Zhu, Dao-qian1;  Duan, Chun-feng1;  Guan, Ya-feng1
通讯作者: 关亚风
关键词: Fiber-optic sensor ;  Dissolved oxygen detection ;  Two-fiber probe ;  Fluorinated xerogel ;  Ruthenium (II) complex
刊名: JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
发表日期: 2010-02-01
DOI: 10.1007/s10971-009-2118-8
卷: 53, 期:2, 页:441-447
收录类别: SCI
文章类型: Article
部门归属: 1
项目归属: 105
产权排名: 1;1
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Materials Science, Ceramics
研究领域[WOS]: Materials Science
英文摘要: A fiber-optic sensor based on fluorescence quenching was designed for dissolved oxygen (DO) detection. The fluorinated xerogel-based sensing film of the present sensor was prepared from 3, 3, 3-trifluoropropyltrimethoxysilane (TFP-TriMOS). Oxygen-sensitive fluorophores of tris (2, 2'- bipyridine) ruthenium (II) (Ru(bpy) (3) (2+) ) were immobilized in the sensing film and the emission fluorescence was quenched by dissolved oxygen. In the sensor fabrication, a two-fiber probe was employed to obtain the best fluorescence collection efficiency and the sensing film was attached to the probe end. Scanning electron microscope (SEM), UV-Vis absorption spectroscopy (UV-Vis) and fourier transform infrared spectroscopy (FTIR) measurements have been used to characterize the sensing film. The sensor sensitivity is quantified by I (deoxy)/I (oxy), where I (deoxy) and I (oxy) represented the detected fluorescence intensities in fully deoxygenated and fully oxygenated environments, respectively. Compared with tetramethoxysilane (TMOS) and methyltriethoxysilane (MTMS)-derived sensing films, TFP-TriMOS-based sensor exhibited excellent performances in dissolved oxygen detection with short response time of 4 s, low limit of detection (LOD) of 0.04 ppm (R.S.D. = 2.5%), linear Stern-Volmer calibration plot from 0 to 40 ppm and long-term stability during the past 10 months. The reasons for the preferable performances of TFP-TriMOS-based sensing film were discussed.
关键词[WOS]: TRIFLUOROETHYLMETHACRYLATE COPOLYMER FILM ;  LUMINESCENCE CHANGE ;  OPTICAL SENSOR ;  THIN-FILMS ;  MATRIX
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000274318400043
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/103419
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dept Instrumentat & Analyt Chem, Key Lab Separat & Anal, Dalian 116023, Peoples R China

Recommended Citation:
Xiong, Yan,Xu, Jing,Zhu, Dao-qian,et al. Fiber-optic fluorescence sensor for dissolved oxygen detection based on fluorinated xerogel immobilized with ruthenium (II) complex[J]. JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY,2010,53(2):441-447.
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