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Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/230988
- Title
- Optimized electroless silver coating for optical and plasmonic applications
- Author(s)
- Antonello, Alessandro; Jia, Baohua; He, Zhengguang; Buso, Dario; Perotto, Giovanni; Brigo, Laura; Brusatin, Giovanna; Guglielmi, Massimo; Gu, Min; Martucci, Alessandro
- Abstract
- Electroless metal deposition is a simple and convenient technique to fabricate metallic films and to provide isotropic metal functionalization of 3D structures with complex geometries. In this work, we describe the synthesis of silver coatings by means of a modified Tollens reaction and their use as optical coating. The chemical composition of the metallization bath is here addressed to optimize the metal coating deposition. The synthesis parameters have been tailored in order to deposit very smooth films which were characterized by scanning electron microscopy, atomic force microscopy, and optical spectroscopy. 2D diffraction gratings and sinusoidal plasmonic gratings were produced with the proposed method. Optical characterization confirmed the plasmonic activities of the resultant structures, proving the efficiency of the described method for optical applications. Thermal annealing was found to improve the surface roughness of the coating and therefore the optical properties of the plasmonic gratings.
- Publication type
- Journal article
- Research centre
- Swinburne University of Technology. Faculty of Engineering and Industrial Sciences. Centre for Micro-Photonics
- Source
- Plasmonics, Vol. 7, no. 4 (Dec 2012), pp. 633-639
- Publication year
- 2012
- Keyword(s)
- Electroless; Grating; Plasmonic; Silver coating
- Publisher
- Springer
- ISSN
- 1557-1955
- Publisher URL
- http://dx.doi.org/10.1007/s11468-012-9352-6
- Copyright
- Copyright © Springer Science+Business Media, LLC 2012
- Research Projects
-
An accelerating journey to the new era of Petabyte optical memory systems, Australian Research Council grant number FL100100099
Functional micro multiplexers based on nonlinear three dimensional photonic crystal superprisms, Australian Research Council grant number DP0987006
- Peer reviewed
