Electrochemical Design of Optical Nanoantennas
1 Kazan Federal University, 420000, Kazan, Kremlevskaya st., 18, Russia
2 Tatarstan Academy of sciences, 420013, Kazan, Baumana st., 20, Russia
a Corresponding author: email@example.com
Published online: 25 September 2015
Electrochemical techniques for fabricating tapered gold nanoantennas (tips) are discussed. In the paper, the tunable design of nanoantennas is demonstrated. Tip parameters such as a tip apex curvature, mesoscopic morphology, aspect ratio and enhancement factor can be varied with etching electrolyte and applied voltage. The low-cost method makes tipehnahced optical spectroscopy and microscopy feasible for routine optical measurements beyond the diffraction limit.
Key words: optical antennas / tip-enhanced Raman scattering / electrochemistry
© Owned by the authors, published by EDP Sciences, 2015
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