Structural Analysis of Nanoparticles Formed via Laser Ablation of Porous Silicon and Silicon Microparticles in Waterстатья
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Дата последнего поиска статьи во внешних источниках: 28 февраля 2020 г.
Аннотация:Silicon nanoparticles with sizes of 50–300 nm have been formed via picosecond laser ablation of
porous silicon and silicon microparticles in water using various targets. Raman spectroscopy has revealed the presence of a low amount of the amorphous phase in the obtained particles (10–12%) prepared from micro- and mesoporous silicon layers and almost a zero degree of crystallinity in the case of laser fragmentation of silicon micropowders in water. The results are promising for further application of the nanoparticles in photonics and biomedicine.