Surface enhanced Raman scattering of gold nanoparticles aggregated by gold-nanofilm-coated nanofiber

Li, Baojun

Surface enhanced Raman scattering of gold nanoparticles aggregated by gold-nanofilm-coated nanofiber

Posted on 2018-04-12 - 21:21

Aggregation of metal nanoparticles plays an important role in surface enhanced Raman scattering (SERS). Here, a strategy of dynamically aggregating/releasing gold nanoparticles is demonstrated using a gold-nanofilm coated nanofiber, with the assistance of enhanced optical force and plasmonic photothermal effect. Strong SERS signals of rhodamine 6G (R6G) are achieved at the hotspots formed in the inter-particle and film-particle nanogaps. The proposed SERS substrate was demonstrated to have a sensitivity of 10¯¹² M, reliable reproducibility and good stability.

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Cheng, Chang; Li, Juan; Lei, Hong; Li, Baojun (2018). Surface enhanced Raman scattering of gold nanoparticles aggregated by gold-nanofilm-coated nanofiber. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.3929347.v1

https://doi.org/10.6084/m9.figshare.c.3929347.v1

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