OPTICS & PHOTONICS International Congress 2024

Presentation information

ICNN2024 » Oral Presentation

Session 6

Tue. Apr 23, 2024 3:20 PM - 4:50 PM 414+415 (Pacifico Yokohama Conference Center)

Session Chair: Takashi Asano (Kyoto University)

4:05 PM - 4:20 PM

[ICNN7-03] Surface Enhanced Raman Scattering via Plasmonic-Free α-MoO3 Nanowires Platforms for Biosensing Application

*JIAQI YANG1, TANG DANG1, SHUTING MA1, HITOSHI TABATA1, HIROAKI MATSUI1 (1. The University of tokyo)

We created α-MoO3 nanowire SERS platforms through catalyst-free synthesis, offering varied heights/compositions by modulating oxygen during laser ablation. Stoichiometric NWs yielded strong SERS (EF 2×108) with vivid light scattering. While non-stoichiometric samples show weaker SERS signals due to decreasing scattering following the presence of visible absorptions. This indicates role of electromagnetic enhancement in plasmonic-free α-MoO3 NW SERS.

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