高灵敏度锥形光纤SERS探针及其在农残检测中的应用
High Sensitivity Tapered Fiber SERS Probe and Its Application on Pesticide Residues Detection
查看参考文献22篇
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文摘
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实验研究了激光诱导化学沉积法(LICDM)中诱导激光功率及诱导时间对锥形光纤表面增强拉曼散射(SERS)探针性能的影响。通过优化激光诱导功率为90 m W、诱导时间为50 min,制备出高灵敏度的锥形光纤SERS探针,结合便携式拉曼光谱仪实现了1.0×10~(-7)mol/L甲基对硫磷(MP)的检测;该方法制备的探针对MP的SERS光谱检测具有良好的重复性。这种高灵敏度、可重复性好的锥形光纤SERS探针在农残现场检测、定量分析等方面具有潜在的应用前景。 |
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其他语种文摘
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The influences of induced laser power and reaction time on the properties of tapered fiber surface enhanced Raman scattering (SERS) probes by the laser induced chemical deposition method (LICDM) are studied in experiments. Under an optimized experimental conditions as 90 mW induced laser power and 50 min reaction time, the prepared taper fiber SERS probes possess the highest sensitivity, when detecting a low concentration as 1.0 × 10~(- 7) mol/L of methyl parathion (MP) solution with a portable Raman spectrometer. Moreover, the prepared probes with LICDM show good repeatability for SERS detections, which may have potentials on rapid and field detection of pesticide residues. |
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来源
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光学学报
,2015,35(8):0806001-1-0806001-7 【核心库】
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DOI
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10.3788/AOS201535.0806001
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关键词
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光纤光学
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锥形光纤SERS探针
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激光诱导化学沉积法
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表面增强拉曼散射
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甲基对硫磷
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地址
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1.
中国科学院安徽光学精密机械研究所, 安徽省光子器件重点实验室, 安徽, 合肥, 230031
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中国科学院固体物理研究所, 中国科学院材料物理重点实验室;;安徽省纳米材料和纳米技术实验室, 安徽, 合肥, 230031
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0253-2239 |
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学科
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电子技术、通信技术 |
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基金
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国家自然科学基金
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国家973计划
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文献收藏号
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CSCD:5527777
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