ABSTRACT Surface plasmon-enhanced spectroscopic sensors for fluorescence and Raman spectroscopy use high-density metallic nanostructures to strongly enhance the light–matter interaction. In this contribution, we will review the processes by which three-dimensional (3D) multilayered Ag nanowires assemble from one-dimensional Ag nanowires and their plasmon-enhanced sensing applications, giving emphasis to the physical mechanism underlying the plasmon-enhanced spectroscopy. In particular, we discuss the practical aspects of 3D porous and flexible plasmonic platforms used for spectroscopic sensing applications. Combining a portable spectrometer with a low-cost but highly sensitive and flexible plasmonic substrate is potentially useful for on-site chemical analysis in the contexts of environmental monitoring, food safety, forensic science, and point-of-care healthcare medical diagnostics.

中文翻译：

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用于等离子体增强光谱传感器的 3D 组装银纳米线

摘要 用于荧光和拉曼光谱的表面等离子体增强光谱传感器使用高密度金属纳米结构来强烈增强光-物质相互作用。在这篇文章中，我们将回顾从一维 Ag 纳米线组装 3D (3D) 多层 Ag 纳米线的过程及其等离子体增强传感应用，重点介绍等离子体增强光谱学的物理机制。特别是，我们讨论了用于光谱传感应用的 3D 多孔和柔性等离子体平台的实际方面。将便携式光谱仪与低成本但高度灵敏且灵活的等离子体基质相结合，对于环境监测、食品安全、法医学、