Department of Vehicle Engineering, National Taipei University of Technology, Taipei 10608, Taiwan.
Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan.
Sensors (Basel). 2022 Aug 25;22(17):6406. doi: 10.3390/s22176406.
Detecting pesticides using techniques that involve simple fabrication methods and conducting the detection at very low levels are challenging. Herein, we report the detection of acetamiprid at the quadrillionth level using surface-enhanced Raman scattering (SERS). The SERS chip comprises Ag nanoparticles deposited on a tetrapod structure of ZnO coated onto indium tin oxide glass (denoted as Ag@ZnO-ITO). Controlled Ag decoration of ZnO occurs via irradiation-induced synthesis. The morphology of the surface plays a significant role in achieving an enhanced SERS performance for acetamiprid detection. 4,4'-Dipyridyl (DPY) is used to investigate synthesis conditions for the chip, leading to an optimal irradiation time of 60 min. Furthermore, the enhancement factor for acetamiprid on Ag@ZnO-ITO is higher than 10. These results demonstrate that SERS sensors have the potential for practical use in acetamiprid detection.
使用涉及简单制造方法的技术来检测农药，并在非常低的水平下进行检测是具有挑战性的。在此，我们报告了使用表面增强拉曼散射（SERS）在万亿分之一水平上检测乙虫腈。SERS 芯片由沉积在氧化锌四足结构上的银纳米粒子组成，该结构涂覆在氧化铟锡玻璃上（表示为 Ag@ZnO-ITO）。通过辐照诱导合成来控制 ZnO 上的 Ag 装饰。表面的形态在实现乙虫腈检测的增强 SERS 性能方面起着重要作用。使用 4,4'-联吡啶（DPY）来研究芯片的合成条件，导致最佳辐照时间为 60 分钟。此外，Ag@ZnO-ITO 上乙虫腈的增强因子高于 10。这些结果表明，SERS 传感器具有在乙虫腈检测中实际应用的潜力。
