Roadmap for single-molecule surface-enhanced Raman spectroscopy

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Abstract

In the near future, single-molecule surface-enhanced Raman spectroscopy (SERS) is expected to expand the family of popular analytical tools for single-molecule characterization. We provide a roadmap for achieving single molecule SERS through different enhancement strategies for diverse applications. We introduce some characteristic features related to single-molecule SERS, such as Raman enhancement factor, intensity fluctuation, and data analysis. We then review recent strategies for enhancing the Raman signal intensities of single molecules, including electromagnetic enhancement, chemical enhancement, and resonance enhancement strategies. To demonstrate the utility of single-molecule SERS in practical applications, we present several examples of its use in various fields, including catalysis, imaging, and nanoelectronics. Finally, we specify current challenges in the development of single-molecule SERS and propose corresponding solutions.

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Yu, Y., Xiao, T. H., Wu, Y., Li, W., Zeng, Q. G., Long, L., & Li, Z. Y. (2020, January 1). Roadmap for single-molecule surface-enhanced Raman spectroscopy. Advanced Photonics. SPIE. https://doi.org/10.1117/1.AP.2.1.014002

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