Scientific Results

Luminescent silicon nanoparticles prepared by ultra short pulsed laser ablation in liquid for imaging applications

Year: 2012

Authors: Intartaglia R., Bagga K., Scotto M., Diaspro A., Brandi F.

Autors Affiliation: Department of Nanophysics, Istituto Italiano di Tecnologia, via Morego, 30, 16163 Genova, Italy

Abstract: Heavy-metal-free semiconductor material like Silicon Nanoparticle (Si-NPs) is attracting scientists because of their diverse applications in biomedical field. In this work, pulsed laser ablation of silicon in aqueous solution is employed to generate Si-NPs in one step avoiding use of chemical precursors. Characterization by absorption, electron and photoluminescence analysis proves the generation of luminescent Si-NPs. The productivity rate of Si-NPs is investigated by Inductively Coupled Plasma Spectrometry. Furthermore, Si-NPs quantum yield and confocal microscopy studies corroborate the potential use of these biocompatible Si-NPs for imaging applications.

Journal/Review: OPTICAL MATERIALS EXPRESS

Volume: 2 (5)      Pages from: 510  to: 518

KeyWords: SI NANOPARTICLES; QUANTUM DOTS; NANOCRYSTALS; PHOTOSENSITIZERS; OXYGEN; WATER; OXIDE
DOI: 10.1364/OME.2.000510

Citations: 66
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2022-01-23
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