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Molecules 2009, 14(9), 3731-3753;

Dendrimer-Capped Nanoparticles Prepared by Picosecond Laser Ablation in Liquid Environment

INSTM and Istituto dei Sistemi Complessi, Consiglio Nazionale delle Ricerche, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Firenze, Italy
Department of Physics "E. Fermi", University of Pisa, Largo Bruno Pontecorvo 3, 56127 Pisa, Italy
Current address: Université Paris-Sud 11, Institut de Chimie Moléculaire et de Matériaux d’Orsay, UMR CNRS 8613, F-91405, Orsay, France.
Current address: National Nanotechnology Laboratory of CNR-INFM, Soft Matter Nanotechnology Division, University of Salento, 73100 Lecce, Italy.
Author to whom correspondence should be addressed.
Received: 27 August 2009 / Revised: 17 September 2009 / Accepted: 21 September 2009 / Published: 22 September 2009
(This article belongs to the Special Issue Dendrimers - from Synthesis to Applications)
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Fifth generation ethylendiamine-core poly(amidoamine) (PAMAM G5) is presented as an efficient capping agent for the preparation of metal and semiconductor nanoparticles by ps laser ablation in water. In particular, we describe results obtained with the fundamental, second and third harmonic of a ps Nd:YAG laser and the influence of laser wavelength and pulse energy on gold particle production and subsequent photofragmentation. In this framework, the role of the dendrimer and, in particular, its interactions with gold clusters and cations are accounted.
Keywords: dendrimers; laser ablation; metal nanoparticles; CdSe; photofragmentation dendrimers; laser ablation; metal nanoparticles; CdSe; photofragmentation
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Giorgetti, E.; Giusti, A.; Giammanco, F.; Marsili, P.; Laza, S. Dendrimer-Capped Nanoparticles Prepared by Picosecond Laser Ablation in Liquid Environment. Molecules 2009, 14, 3731-3753.

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