Luminescent silicon nanocrystals produced by near-infrared nanosecond pulsed laser ablation in water.
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| Title: | Luminescent silicon nanocrystals produced by near-infrared nanosecond pulsed laser ablation in water. |
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| Authors: | Vaccaro, L.1, Sciortino, L.1, Messina, F.1, Buscarino, G.1, Agnello, S.1, Cannas, M.1 marco.cannas@unipa.it |
| Source: | Applied Surface Science. May2014, Vol. 302, p62-65. 4p. |
| Subjects: | Nanosilicon, Near infrared radiation, Laser ablation, Electronic excitation, Quantum confinement effects, Luminescence |
| Abstract: | Highlights: [•] Production of particles with mean size of 3nm by near-infrared ns pulsed laser ablation of silicon in water. [•] Core–shell structure consisting in silicon nanocrystal surrounded by a silica layer. [•] Red (1.9eV) emission associated with quantum confinement in the silicon nanocrystal. [•] Blue (2.7eV) and UV (4.4eV) emissions related to defects in the silica layer. [Copyright &y& Elsevier] |
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| Database: | Engineering Source |
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