Abstract
Surface enhanced Raman scattering (SERS) is recognized as an extremely powerful technique for highly sensitive and spatially resolved detection. This technique takes advantage of the strong near-field light induced by metallic nanostructures to enhance the weak Raman signal of the analyte up to 14 orders of magnitude. Up to now, research on SERS substrates focused on two different approaches, the first relies on top-down techniques, such as lithography, and allows good control of optical properties of the device but has huge limits concerning the scalability of the substrate, which is usually limited a sub millimeters in size; the second relies on bottom-up techniques and usually cannot guarantee high enhancement factor (due to low density of metallic nanostructures) and good reproducibility and is limited to small-size (diameter < 20 nm) nanoparticles. In order to overcome the main issues of the common SERS substrates, we developed a SERS substrate which shows both good control of optical properties and good reproducibility.
© 2013 Japan Society of Applied Physics, Optical Society of America
PDF ArticleMore Like This
Chit Yaw Fu, U. S Dinish, Kiang Wei Kho, Douglas Goh Wenda, and Malini Olivo
80900B European Conference on Biomedical Optics (ECBO) 2011
S. Damm, N. C. Carville, M. Manzo, K. Gallo, B. J. Rodriguez, and J. Rice
CK_P_2 The European Conference on Lasers and Electro-Optics (CLEO/Europe) 2013
Aisha Bibi, James Tate, Daniel Hill, and Cuong Cao
ch_13_6 The European Conference on Lasers and Electro-Optics (CLEO/Europe) 2023