Session 6

[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.