Raman enhancement induced by exciton hybridization in molecules | ResearchBunny

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Abstract

This research investigates the coupling mechanism between target molecules and 2D materials as SERS substrates. Strong coupling between SnS₂ and rhodamine 6G (Rh 6G) is observed due to their degenerate excitons, leading to enhanced Rh 6G vibrational modes detectable down to 10⁻¹³ M. Excitation-dependent Raman spectroscopy reveals exciton hybridization plays a vital role in Raman enhancement, opening avenues for designing high-sensitivity SERS substrates.

Publisher

npj 2D Materials and Applications

Published On

Feb 14, 2024

Authors

Hikari Kitadai, Qishuo Tan, Lu Ping, Xi Ling

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