Abstract
Surface-enhanced infrared absorption (SEIRA) spectroscopy employs noble metal nanoparticles or nanostructures to enhance the characteristic absorption spectra of certain molecules. These plasmonic nanoparticles or nanostructures act like antennas and demonstrate great potentials for single molecule or monolayer biosensing[1-4]. Here in this study we fabricated large-area aluminum (Al) plasmonic substrates based on nanosphere lithography (NSL) and applied them for infrared molecular sensing.
© 2014 Japan Society of Applied Physics, Optical Society of America
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