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Photo-induced enhanced Raman spectroscopy for universal ultra-trace detection of explosives, pollutants and biomolecules
Open accessAbstract
Surface-enhanced Raman spectroscopy is one of the most sensitive spectroscopic techniques available, with single-molecule detection possible on a range of noble-metal substrates. It is widely used to detect molecules that have a strong Raman response at very low concentrations. Here we present photo-induced-enhanced Raman spectroscopy, where the combination of plasmonic nanoparticles with a photo-activated substrate gives rise to large signal enhancement (an order of magnitude) for a wide range of small molecules, even those with a typically low Raman cross-section. We show that the induced chemical enhancement is due to increased electron density at the noble-metal nanoparticles, and demonstrate the universality of this system with explosives, biomolecules and organic dyes, at trace levels. Our substrates are also easy to fabricate, self-cleaning and reusable.
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Cites
Non-plasmonic nanoantennas for surface enhanced spectroscopies with ultra-low heat conversion
Caldarola, M., Albella, P., Cortés, E., Rahmani, M., Roschuk, T., Grinblat, G., Oulton, R. F., Bragas, A. V., & Maier, S. A. (2015) · Nature Communications · doi:10.1038/ncomms8915 · Cited by 520
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Cited by
Lee, H. K., Lee, Y. H., Koh, C. S. L., Phan-Quang, G. C., Han, X., Lay, C. L., Sim, H. Y. F., Kao, Y.-C., An, Q., & Ling, X. Y. (2019) · Chemical Society Reviews · doi:10.1039/c7cs00786h · Cited by 756
Enhanced Raman Scattering with Dielectrics
Alessandri, I., & Lombardi, J. R. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00365 · Cited by 655
Fan, M., Andrade, G. F. S., & Brolo, A. G. (2020) · Analytica Chimica Acta · doi:10.1016/j.aca.2019.11.049 · Cited by 533
Metadata
- Authors
- Ben-Jaber, S., Peveler, W. J., Quesada-Cabrera, R., Cortés, E., Sotelo-Vazquez, C., Abdul-Karim, N., Maier, S. A., & Parkin, I. P.
- Venue
- Nature Communications
- Published
- 2016-07-14
- Volume
- 7
- Issue
- 1
- Pages
- 12189-12189
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2472474602
- Cited by
- 281
- References
- 1
- FWCI
- 7.49
- Type
- journal article
- Language
- en
- Open access
- gold
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- Ben-Jaber, S., Peveler, W. J., Quesada-Cabrera, R., Cortés, E., Sotelo-Vazquez, C., Abdul-Karim, N., Maier, S. A., & Parkin, I. P. (2016). Photo-induced enhanced Raman spectroscopy for universal ultra-trace detection of explosives, pollutants and biomolecules. Nature Communications. https://doi.org/10.1038/ncomms12189
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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