Femtosecond Laser Ablation Assisted Single-step Fabrication of Metal-semiconductor Interfaced SERS-active Substrate

M.S.S. Bharathi; Dipanjan Banerjee; Venugopal Rao Soma

doi:10.1364/ASSL.2023.JW2A.7

Laser Congress 2023 (ASSL, LAC)
Technical Digest Series (Optica Publishing Group, 2023),
paper JW2A.7
•https://doi.org/10.1364/ASSL.2023.JW2A.7

Femtosecond Laser Ablation Assisted Single-step Fabrication of Metal-semiconductor Interfaced SERS-active Substrate

M.S.S. Bharathi, Dipanjan Banerjee, and Venugopal Rao Soma

Advanced Solid State Lasers 2023

Tacoma, Washington United States
8–12 October 2023
ISBN: 978-1-957171-31-9

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Joint Poster Session III (On Demand) (JW2A)

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M. S. S. Bharathi, D. Banerjee, and V. R. Soma, "Femtosecond Laser Ablation Assisted Single-step Fabrication of Metal-semiconductor Interfaced SERS-active Substrate," in Laser Congress 2023 (ASSL, LAC), Technical Digest Series (Optica Publishing Group, 2023), paper JW2A.7.

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Abstract

A hybrid metal-semiconductor SERS substrate was fabricated in a single step by femtosecond laser ablation in liquid. Ag-TiO₂ nanostructure was employed in the SERS studies, revealing a 16 times superior signal than pure TiO₂ nanostructures.

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