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Interdisziplinäres Zentrum für Materialwissenschaften
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Martin Schade, Bodo Fuhrmann, Christian Bohley, Sven Schlenker, Neha Sardana, Jörg Schilling, Hartmut S. Leipner
Regular arrays of Al nanoparticles for plasmonic applications
J. Appl. Phys. 115, 8 (2014), 084309

Optical properties of aluminium nanoparticles deposited on glass substrates are investigated. Laser interference lithography allows a quick deposition of regular, highly periodic arrays of nanostructures with different sizes and distances in order to investigate the shift of the surface plasmon resonance for, e.g., photovoltaic, plasmonic or photonic applications. The variation of the diameter of cylindrical Al nanoparticles exhibits a nearly linear shift of the surface plasmon resonance between 400?nm and 950?nm that is independent from the polarization vector of the incident light. Furthermore, particles with quadratic or elliptic base areas are presented exhibiting more complex and polarization vector dependent transmission spectra.

Keywords: surface plasmon resonance; aluminium; lithography

DOI 10.1063/1.4867369
© AIP 2014

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