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Dostęp zamkniętyModification of surfaces of silver nanoparticles for controlled deposition of silicon, manganese, and titanium dioxides
| cris.lastimport.scopus | 2024-02-12T20:17:55Z |
| dc.abstract.en | In this work we show that nanometric-thick layers of SiO2, MnO2, and TiO2 may be effectively deposited on various silver nanoparticles (including cubic Ag nanoparticles) covered by a very thin (below 0.4 nm) layer of silver sulphide. The background in Raman measurements generated by sulphide-protected Ag nanoparticles is significantly smaller than that for analogous Ag nanoparticles protected by a monolayer formed from alkanethiols – depositing alkanethiols on a surface of anisotropic silver nanoparticles is the current standard method used for protecting a surface of Ag nanoparticles before depositing a layer of silica. Because of significantly smaller generated Raman background, Ag@SiO2 nanostructures with an Ag2S linkage layer between the silver core and the silica shell are very promising low-background electromagnetic nanoresonators for carrying out Raman analysis of various surfaces – especially using what is known as shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS). Sample SHINERS analyses of various surfaces (including pesticide-contaminated surfaces of tomatoes) using cubic-Ag@SiO2 nanoparticles as electromagnetic nanoresonators are also presented. |
| dc.affiliation | Uniwersytet Warszawski |
| dc.contributor.author | Kudelski, Andrzej |
| dc.contributor.author | Abdulrahman, Heman |
| dc.contributor.author | Krajczewski, Jan |
| dc.date.accessioned | 2024-01-25T12:52:43Z |
| dc.date.available | 2024-01-25T12:52:43Z |
| dc.date.issued | 2018 |
| dc.description.finance | Nie dotyczy |
| dc.description.volume | 427 |
| dc.identifier.doi | 10.1016/J.APSUSC.2017.08.163 |
| dc.identifier.issn | 0169-4332 |
| dc.identifier.uri | https://repozytorium.uw.edu.pl//handle/item/112820 |
| dc.language | eng |
| dc.pbn.affiliation | chemical sciences |
| dc.relation.ispartof | Applied Surface Science |
| dc.relation.pages | 334 - 339 |
| dc.rights | ClosedAccess |
| dc.sciencecloud | nosend |
| dc.subject.en | Shell-isolated nanoparticle-enhanced |
| dc.subject.en | Raman spectroscopy |
| dc.subject.en | SHINERS |
| dc.subject.en | Surface-enhanced raman spectroscopy |
| dc.subject.en | SERS |
| dc.subject.en | Ag@SiO2 |
| dc.subject.en | Cubic Ag nanoparticles |
| dc.title | Modification of surfaces of silver nanoparticles for controlled deposition of silicon, manganese, and titanium dioxides |
| dc.type | JournalArticle |
| dspace.entity.type | Publication |