Plasmonic Enhancement of Raman Spectra of Dye Molecules by Silver Nanotriangles

Haritha Joseph; Sarika Joshi; Arun Jaiswal; Donald McNaughton; Sumit Saxena; Wenlong Cheng; Shobha Shukla

doi:10.1364/ASSL.2020.JTh2A.38

Laser Congress 2020 (ASSL, LAC)
OSA Technical Digest (Optica Publishing Group, 2020),
paper JTh2A.38
•https://doi.org/10.1364/ASSL.2020.JTh2A.38

Plasmonic Enhancement of Raman Spectra of Dye Molecules by Silver Nanotriangles

Haritha Joseph, Sarika Joshi, Arun Jaiswal, Donald McNaughton, Sumit Saxena, Wenlong Cheng, and Shobha Shukla

Advanced Solid State Lasers 2020

Washington, D.C. United States
13–16 October 2020
ISBN: 978-1-943580-84-2

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Joint Poster Session II (JTh2A)

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H. Joseph, S. Joshi, A. Jaiswal, D. McNaughton, S. Saxena, W. Cheng, and S. Shukla, "Plasmonic Enhancement of Raman Spectra of Dye Molecules by Silver Nanotriangles," in Laser Congress 2020 (ASSL, LAC), P. Schunemann, C. Saraceno, S. Mirov, S. Taccheo, J. Nilsson, A. Petersen, D. Mordaunt, and J. Trbola, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper JTh2A.38.

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Abstract

We report plasmonic enhancement of Raman signal by employing silver nanotriangles to detect methylene blue in concentrations below 10^-5 M. The characteristic morphology and dimensions have helped in producing an enhancement even at low power.

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