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Optical Effects of Metallic Nanoparticles

Christian Dahmen ^A ^B and Gero von Plessen ^A ^C

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^A Institute of Physics (IA), RWTH Aachen University, 52056 Aachen, Germany.

^B Current address: d-fine GmbH, Zugspitzstraße 3a, 82049 Pullach, Germany.

^C Corresponding author. Email: gero.vonplessen@physik.rwth-aachen.de

Christian Dahmen studied physics at RWTH Aachen University, Germany, and graduated in 2003. As a doctoral student in the Nanostructure Optics group in Aachen, he investigated optical and structural properties of noble-metal nanoparticles. His work includes theoretical calculations on ultrafast heat transfer in laser-excited nanoparticles and experimental studies of optical changes during the photochromic transformation of embedded silver nanoparticles. He obtained his doctoral degree in 2006 and currently works as a financial risk consultant in Frankfurt, Germany.

Gero von Plessen obtained an M.Sc. in physics from the University of Dundee, U.K., and a doctoral degree from Marburg University, Germany, under the supervision of Ernst O. Göbel. He then worked as a postdoctoral fellow with John F. Ryan at the University of Oxford, before joining the group of Jochen Feldmann at the University of Munich. Since 2001, he has held a professorship in physics at RWTH Aachen University, where he heads the Nanostructure Optics group. His research centres on the optical properties of metal nanostructures.

Australian Journal of Chemistry 60(7) 447-456 https://doi.org/10.1071/CH06473
Submitted: 14 December 2006 Accepted: 10 March 2007 Published: 9 July 2007

Abstract

Metallic nanoparticles show a rich optical behaviour because of their strong light absorption and scattering, wide spectral tunability, and interesting optical near-field effects. Research into optical effects of metallic nanoparticles, a field with a long tradition, has been developing rapidly in recent years as a result of progress in nanoparticle fabrication, spectroscopic techniques, and computational methods. This article provides a survey of optical effects of metallic nanoparticles, covering both fundamental phenomena and emerging applications.

Acknowledgments

G.v.P. thanks all colleagues and research students who have worked with him on the optical properties of metal nanoparticles over the past few years. We thank A. Sprafke for assistance in preparing some of the figures in this manuscript. Financial support from the DFG through Graduiertenkolleg 1035 and project no. PL 261/4-1, and from the BMBF through project no. 03SF0322C, is acknowledged.

References

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