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Femtosecond laser-ablative synthesis of plasmonic Au and TiN nanoparticles for biomedical applications

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dc.contributor.authorTselikov, G.
dc.contributor.authorAl-Kattan, A.
dc.contributor.authorPopov, A. A.
dc.contributor.authorKabashin, A. V.
dc.contributor.authorПопов, Антон Александрович
dc.contributor.authorКабашин, Андрей Викторович
dc.date.accessioned2024-11-21T09:26:45Z
dc.date.available2024-11-21T09:26:45Z
dc.date.issued2019
dc.description.abstractCopyright © 2019 SPIE.Methods of femtosecond laser ablation and fragmentation in liquids were used to fabricate bare (ligand-free) plasmonic Au and TiN nanoparticles. By varying laser parameters (laser energy, focusing conditions) and environment (deionized water, acetone), we were able to synthesize spherical Au and TiN nanoparticles of variable size between a few of nm and 30-40 nm under a relatively low size dispersion. EDX and XPS tests confirm that both nanoparticle samples consist of gold and titanium nitride in the absence of any impurity. While Au based nanoparticles demonstrate a standard plasmonic extinction peak in the visible green range (520-540 nm), TiN counterparts exhibit a broad red-shifted peak centered around 650-700 nm even for very small nanoparticle sizes (4-5 nm). We finally discuss possible applications of laser-synthesized Au nanoparticles in SERS, SEIRA and electrocatalysis, while TiN nanoparticles are considered as promising sensitizers of photothermal therapies.
dc.identifier.citationFemtosecond laser-ablative synthesis of plasmonic Au and TiN nanoparticles for biomedical applications / Tselikov, G. [et al.] // Proceedings of SPIE - The International Society for Optical Engineering. - 2019. - 10907. - 10.1117/12.2513970
dc.identifier.doi10.1117/12.2513970
dc.identifier.urihttps://www.doi.org/10.1117/12.2513970
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85066778700&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000474768700001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/18224
dc.relation.ispartofProceedings of SPIE - The International Society for Optical Engineering
dc.titleFemtosecond laser-ablative synthesis of plasmonic Au and TiN nanoparticles for biomedical applications
dc.typeConference Paper
dspace.entity.typePublication
oaire.citation.volume10907
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