Laser manipulation of the size and shape of supported metal nanoparticles

Johannes Bosbach; Christian Hendrich; Frank Stietz; Tigran A. Vartanyan; Thomas Wenzel; Frank Traeger

doi:10.1117/12.432498

29 June 2001 Laser manipulation of the size and shape of supported metal nanoparticles

Johannes Bosbach, Christian Hendrich, Frank Stietz, Tigran A. Vartanyan, Thomas Wenzel, Frank Traeger

Proceedings Volume 4274, Laser Applications in Microelectronic and Optoelectronic Manufacturing VI; (2001) https://doi.org/10.1117/12.432498
Event: Photonics West 2001 - LASE, 2001, San Jose, CA, United States

Abstract

Laser manipulation of the size and shape of metal nanoparticles generated by self-assembly of atoms on dielectric substrates is discussed. Techniques are presented that allow one to prepare nanoparticles with a narrow size distribution and with well-defined shape by using laser irradiation after and during particle growth. Optical spectroscopy of supported nanoparticles is demonstrated to be a very versatile tool for characterizing the particles in addition to direct imaging by scanning probe microscopy. We also show that laser manipulation of the size or shape of nanoparticles can be used to determine the homogeneous linewidth of surface plasmon excitation and thus examine the ultrafast decay time of this collective electron oscillation in nanoparticles. Prospects for future experiments in this field and applications of monodisperse nanoparticles are outlined.

Citation Download Citation

Johannes Bosbach, Christian Hendrich, Frank Stietz, Tigran A. Vartanyan, Thomas Wenzel, and Frank Traeger "Laser manipulation of the size and shape of supported metal nanoparticles", Proc. SPIE 4274, Laser Applications in Microelectronic and Optoelectronic Manufacturing VI, (29 June 2001); https://doi.org/10.1117/12.432498

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