中国激光, 2021, 48 (1): 0113001, 网络出版: 2021-01-13
柔性表面增强拉曼光谱芯片制备 
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Fabrication of Flexible Surface-Enhanced Raman Spectroscopy Chip
图 & 表
图 1. 银纳米颗粒的表征结果。(a)紫外-可见光谱,插图为FESEM图像;(b)银纳米颗粒的直径分布情况
Fig. 1. Characterization results of Ag nanoparticles. (a) Ultraviolet-visible spectrum, inset is FESEM image; (b) diameter distribution of Ag nanoparticles
图 2. 衬底对拉曼信号的影响。(a)收集拉曼光的原理示意图;(b)不同反射率的光能分布;(c)不同反射率的光能密度曲线;(d)不同衬底的相对反射率;(e)在拉曼位移为1360cm-1处不同衬底的峰值;(f)仿真结果和实验结果的归一化曲线
Fig. 2. Influence of substrates on Raman signals. (a) Principle diagram of collecting Raman light; (b) light energy distribution with different reflectivity; (c) light energy density curves with different reflectivity; (d) relative reflectivity of different substrates; (e) peak values of different substrates at Raman displacement is 1360cm-1; (f) normalized curves of simulation result and experimental result
图 3. SERS芯片的制备。(a)含有不同比例乙二醇的银溶胶干燥后的显微图像;(b)阵列式检测区及银溶胶液滴图片; (c)检测区中银纳米颗粒的分布情况
Fig. 3. Preparation of SERS chip. (a) Microscopic images of Ag sol containing different proportions of ethylene glycol after drying; (b) picture of array detection area and silver sol droplets; (c) distribution of Ag nanoparticles in detection area
图 4. SERS芯片的性能测试结果。(a)不同浓度R6G溶液的SERS;(b)SERS芯片的SERS映射图;(c)弯折的SERS芯片;(d)芯片弯折多次后的SERS映射图
Fig. 4. SERS chip performance test results. (a) SERS of different concentrations of R6G solution; (b) SERS mapping of SERS chip; (c) bending SERS chip; (d) SERS mapping of chip after bending for many times
杨峰, 文枰, 张志强, 李丹阳, 陈李, 李顺波, 徐溢. 柔性表面增强拉曼光谱芯片制备[J]. 中国激光, 2021, 48(1): 0113001. Feng Yang, Ping Wen, Zhiqiang Zhang, Danyang Li, Li Chen, Shunbo Li, Yi Xu. Fabrication of Flexible Surface-Enhanced Raman Spectroscopy Chip[J]. Chinese Journal of Lasers, 2021, 48(1): 0113001.
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