[23a-11F-1~11] 3.11 Nanoscale optical science and near-field optics (formerly 3.12)

9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[23a-11F-4] Low-cost ultrabroadband substrates for wearable SERS sensing

〇Yasutaka Kitahama^1,2, Kesava Rao V.¹, Tang Xuke¹, Sekine Yusuke¹, Egawa Mariko¹, Dwivedi Prabhat K.³, Yang William⁴, Goda Keisuke^1,2,5,6 (1.Univ. of Tokyo, 2.LucasLand, 3.IITK, 4.BaySpec, 5.Wuhan Univ., 6.Univ. of California)

Keywords:

ultrabroadband SERS,wearable sensors,silver nanomesh

Surface-enhanced Raman spectroscopy (SERS) is proving to be suitable for wearable chemical sensors designed to provide chemical information about the wearer. However, SERS has a strong dependence on the excitation wavelength. In addition, gold-based SERS substrates are costly, and silver-based SERS substrates struggle to manifest the durability essential for wearable sensors. In this study, we present a cost-effective solution using silver nanomesh SERS substrates that exhibit both the durability of SERS and an ultrabroadband response to SERS.