TiO2/Ag nanostructured coatings as recyclable platforms for surface-enhanced Raman scattering detection
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12310%2F22%3A43904756" target="_blank" >RIV/60076658:12310/22:43904756 - isvavai.cz</a>
Alternative codes found
RIV/00216208:11320/22:10454479
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S2468023022007027?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S2468023022007027?via%3Dihub</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.surfin.2022.102441" target="_blank" >10.1016/j.surfin.2022.102441</a>
Alternative languages
Result language
angličtina
Original language name
TiO2/Ag nanostructured coatings as recyclable platforms for surface-enhanced Raman scattering detection
Original language description
The surface-enhanced Raman scattering (SERS) has become irreplaceable for the direct detection of organic chemicals and biomolecules. However, the SERS-active platforms need to meet certain requirements for routine use. Among them, the most important are low detection limit, spectra reproducibility, and the possibility of being re-used. In this study, we investigate and compare the SERS performance of Ag/TiO2 coatings with three different architectures -planar, tubular and nanoparticle-based - prepared by means of plasma-assisted techniques. In all three cases, the nanoislands, made of plasmonic Ag, enhance the SERS signal, while the TiO2 provides degra-dation of surface contaminants after UV irradiation. The latter relates to the natural photoactivity of titania, which enables the recycling of the substrates. As shown, nanopatterning of surfaces offers a good compromise between the high detection limit and re-cyclability of those nanostructured Ag/TiO2 coatings with larger active surface area; here, namely TiO2 nanoparticle films decorated with silver nanoislands behave promisingly. Such nanostructured Ag/TiO2 films allow not only the detection of methylene blue (MB) at concentrations down to 5 x 10-9 M, but also may be easily cleaned by UV radiation in a reasonable time scale.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
21001 - Nano-materials (production and properties)
Result continuities
Project
<a href="/en/project/GF21-05030K" target="_blank" >GF21-05030K: Semitransparent titania nanostructures on complex geometry surfaces for enhanced light harvesting and sensing</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Surfaces and Interfaces
ISSN
2468-0230
e-ISSN
2468-0230
Volume of the periodical
35
Issue of the periodical within the volume
DEC 2022
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
8
Pages from-to
nestrankovano
UT code for WoS article
000880813700002
EID of the result in the Scopus database
2-s2.0-85140960411