Luminescence properties of the hybrid Si-Ni nanoparticles system
A. A. Lalayan, S. S. Israelyan, H. A. Movsesyan
TL;DR
This paper investigates the luminescence behavior of a colloidal hybrid silicon-nickel nanoparticle system created via pulsed laser ablation in water, revealing a red-shifted photoluminescence caused by the Stark effect.
Contribution
It presents new insights into the luminescence properties of Si-Ni nanoparticles and demonstrates the influence of Coulomb fields on their photoluminescence spectrum.
Findings
Red-shifted photoluminescence observed in the blue spectrum range.
Stark effect in Coulomb field of Ni nanoparticles causes spectral shift.
Hybrid system fabricated in pure water via pulsed laser ablation.
Abstract
The luminescence properties of the colloidal hybrid Si - Ni nanoparticles system fabricated in the pure water by pulsed laser ablation is considered. The red-shifted photoluminescence of this system because of the Stark effect in the Coulomb field of the charged Ni nanoparticles has been registered in the blue range of the spectrum.
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Taxonomy
TopicsLaser-Ablation Synthesis of Nanoparticles · Nonlinear Optical Materials Studies · Laser Material Processing Techniques