Gradient silver nanoparticle layers in absorbing coatings - experimental study

Janicki, Vesna; Sancho-Parramon, Jordi; Zorc, Hrvoje (2011) Gradient silver nanoparticle layers in absorbing coatings - experimental study. Applied Optics, 50 (9). C228-C231. ISSN 0003-6935

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Abstract

Metal island films show a characteristic absorption peak related to the surface plasmon resonance of free electrons. This kind of film can be used in absorbing coatings, together with dielectric layers. Such absorbing multilayer coatings, with and without the gradient of the silver mass thickness in metal island films throughout the coating, have been deposited by electron beam evaporation. It is shown experimentally that coatings with a gradient in the mass thickness of silver nanoparticles have higher absorption than equivalent nongradient coatings with the same total mass thickness of silver nanoparticles.

Item Type:

Article

Additional Information:

This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-9-C228. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Uncontrolled Keywords:

optics at surfaces - surface plasmons; thin films - multilayer design

Subjects:

NATURAL SCIENCES > Physics

Divisions:

Division of Laser and Atomic Research and Development

Projects: