Multi-modal laser-fabricated nanocomposites with non-invasive tracking modality and tuned plasmonic properties

0575775 - FZÚ 2024 RIV CH eng J - Článek v odborném periodiku
Ryabchikov, Yury V.
Multi-modal laser-fabricated nanocomposites with non-invasive tracking modality and tuned plasmonic properties.
Crystals. Roč. 13, Sep (2023), č. článku 1381. ISSN 2073-4352. E-ISSN 2073-4352
Grant CEP: GA MŠMT EF15_003/0000445
GRANT EU: European Commission(XE) 897231 - LADENTHER
Grant ostatní: OP VVV - BIATRI(XE) CZ.02.1.01/0.0/0.0/15_003/0000445
Institucionální podpora: RVO:68378271
Klíčová slova: silicon nanoparticles * gold nanoparticles * composite nanoparticles * nanocomposites * laser ablation * pulsed laser ablation in liquids * plasmonic nanomaterials
Obor OECD: Optics (including laser optics and quantum optics)
Impakt faktor: 2.7, rok: 2022
Způsob publikování: Open access

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.
Trvalý link: https://hdl.handle.net/11104/0345500