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Multi-modal laser-fabricated nanocomposites with non-invasive tracking modality and tuned plasmonic properties
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SYSNO ASEP 0575775 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Multi-modal laser-fabricated nanocomposites with non-invasive tracking modality and tuned plasmonic properties Author(s) Ryabchikov, Yury V. (FZU-D) ORCID, RID Article number 1381 Source Title Crystals. - : MDPI - ISSN 2073-4352
Roč. 13, Sep (2023)Number of pages 14 s. Language eng - English Country CH - Switzerland Keywords silicon nanoparticles ; gold nanoparticles ; composite nanoparticles ; nanocomposites ; laser ablation ; pulsed laser ablation in liquids ; plasmonic nanomaterials Subject RIV BH - Optics, Masers, Lasers OECD category Optics (including laser optics and quantum optics) R&D Projects EF15_003/0000445 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 001074339700001 EID SCOPUS 85172796010 DOI 10.3390/cryst13091381 Annotation Ultrapure composite nanostructures combining semiconductor and metallic elements as a result of ultrafast laser processing are important materials for applications in fields where high chemical purity is a crucial point. Such nanocrystals have already demonstrated prospects in plasmonic biosensing by detecting different analytes like dyes and bacteria.However, the structure of the nanocomposites, as well as the control of their properties, are still very challenging due to the significant lack of research in this area. In this paper, the synthesis of silicon–gold nanoparticles was performed using various approaches such as the direct ablation of (i) a gold target immersed in a colloidal solution of silicon nanoparticles and (ii) a silicon wafer immersed in a colloidal solution of plasmonic nanoparticles. The formed nanostructures combine both plasmonic (gold) and paramagnetic (silicon) modalities observed by absorbance and electron paramagnetic resonance spectroscopies, respectively. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2024 Electronic address https://hdl.handle.net/11104/0345500
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