中国激光, 2018, 45 (8): 0804009, 网络出版: 2018-08-11
激光诱导液面自组装法制备光纤SERS探针及其农药残留检测应用 
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Fabrication of Fiber SERS Probes by Laser-Induced Self-Assembly Method in a Meniscus and Its Applications in Trace Detection of Pesticide Residues
图 & 表
图 1. 激光诱导液面自组装法制备光纤SERS探针示意图
Fig. 1. Experimental setup for preparing fiber SERS probes with laser-induced self-assembly method in a meniscus
图 2. (a)平端面光纤探针的SERS光谱检测实验装置; (b)激光诱导功率为70 mW时不同时间下制备的光纤SERS探针测试结果;(c)最强峰1376 cm-1处SERS信号强度与激光诱导时间的关系;(d)~(f)激光诱导时间为3,7,9 min时端面处的SEM图像
Fig. 2. (a) Homemade instrument for SERS detection using fiber SERS probes; (b) measured SERS spectra of fiber SERS probes fabricated with different laser radiation times when laser irradiation has a power of 70 mW; (c) relationship between SERS intensity and laser radiation time at Raman peak of 1376 cm-1; (d)-(f) SEM images of fiber probes with different laser radiation times at 3, 7, and 9 min, respectively
图 3. (a) 60 mW和(b) 85 mW下不同激光诱导时间制备的探针测试结果;(c) 60,70,85 mW下1376 cm-1处SERS信号强度与激光诱导时间的关系
Fig. 3. SERS results for the fiber probes at different laser powers of (a) 60 mW and (b) 85 mW; (c) relationship between SERS intensity and laser radiation time under different laser powers of 60, 70, and 85 mW for the Raman peak of 1376 cm-1
图 4. 优化条件下制备的光纤SERS探针对10-5 mol/L福美双的(a)检测重复性和(b)检测灵敏度
Fig. 4. SERS results of 10-5 mol/L thiram by the optimized fiber SERS probes. (a) Repeatability; (b) sensitivity
董子豪, 刘晔, 秦琰琰, 毛庆和. 激光诱导液面自组装法制备光纤SERS探针及其农药残留检测应用[J]. 中国激光, 2018, 45(8): 0804009. Dong Zihao, Liu Ye, Qin Yanyan, Mao Qinghe. Fabrication of Fiber SERS Probes by Laser-Induced Self-Assembly Method in a Meniscus and Its Applications in Trace Detection of Pesticide Residues[J]. Chinese Journal of Lasers, 2018, 45(8): 0804009.
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