Gradient Optical Response of Au Ellipse Nanopillar Array via Anisotropic Pillar Heights: A Highly Tunable Plasmonic Material toward Biosensing Applications
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An ordered multispectral array of Au coated ellipse nanopillars was successfully fabricated via laser interference and nanoimprint lithography. The fabricated plasmonic substrate features a gradient plasmonic response in both translational and rotational direc... ...