S. F. Haddawi, Amir Reza Sadrolhosseini, R. A. Ejbarah, S. M. Hamidi, Mahmood Kazemzad
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Chitosan-C3N4-Plasmonic Nanocomposite as a Generation of Scatterer Points for Random Laser Application
The random laser is a unique optical device based on multi-light scattering, and the scatterer point was used to provide the reflection mechanism. Therefore, selecting the scatterer points is significant in designing the random laser. In this study, plasmonic (gold nanoparticles and silver nanoparticles) chitosan-C3N4 nanoparticles were prepared using a laser ablation technique. The prepared samples have been characterized using analytical methods. So, the chitosan-C3N4-gold nanocomposite and chitosan-C3N4-silver nanocomposite have formed with a maximum crystal size of about 24 nm and 20 nm. The experiment confirmed the chitosan-C3N4-gold nanoparticles are suitable for random laser and the threshold is higher than other chitosan-C3N4-silver nanoparticles and chitosan-C3N4 nanoparticles.
期刊介绍：
Plasmonics is an international forum for the publication of peer-reviewed leading-edge original articles that both advance and report our knowledge base and practice of the interactions of free-metal electrons, Plasmons.
Topics covered include notable advances in the theory, Physics, and applications of surface plasmons in metals, to the rapidly emerging areas of nanotechnology, biophotonics, sensing, biochemistry and medicine. Topics, including the theory, synthesis and optical properties of noble metal nanostructures, patterned surfaces or materials, continuous or grated surfaces, devices, or wires for their multifarious applications are particularly welcome. Typical applications might include but are not limited to, surface enhanced spectroscopic properties, such as Raman scattering or fluorescence, as well developments in techniques such as surface plasmon resonance and near-field scanning optical microscopy.
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