Lin D Z, Chen Y P, Jhuang P J, Chu J Y, Yeh J T, Wang J-K
Material and Chemical Laboratory, Industrial Technology Research Institute, Hsinchu, Taiwan, China.
Opt Express. 2011 Feb 28;19(5):4337-45. doi: 10.1364/OE.19.004337.
The production of inexpensive, large-scale, uniform substrates for surface-enhanced Raman scattering (SERS) is a key to popularize its usage in chemical and biological detection. We demonstrate a flexible nano-imprinted hexagonally patterned SERS-active substrate. Its electromagnetic enhancement factor was optimized by the thickness adjustment of its silver over-coated film. The experimental data show a good correspondence with the theoretical prediction. Such substrate was shown to exhibit high uniformity and reproducibility with a variation of less than 2%, offering a potential of greatly exploiting such substrate in infield biocide monitoring.
生产用于表面增强拉曼散射（SERS）的廉价、大规模、均匀的基底是在化学和生物检测中推广其应用的关键。我们展示了一种灵活的纳米压印六边形图案的SERS活性基底。通过调整其银覆盖膜的厚度优化了其电磁增强因子。实验数据与理论预测显示出良好的一致性。这种基底显示出高度的均匀性和再现性，变化小于2%，为在现场生物杀灭剂监测中大量利用这种基底提供了潜力。
