Podrobný výpis o publikaci

PRÁŠEK, Jan, Radim HRDÝ, Dušan HEMZAL, Jana DRBOHLAVOVÁ a Radovan KOPP. Silver/alumina core/shell nanopatterned films for in-field detection of soil and water phosphorus using surface enhanced raman spectroscopy. In Proceedings 13th International Conference on Nanomaterials - Research & Application. Ostrava: TANGER Ltd., 2021, s. 197-202. ISBN 978-80-88365-00-6. Dostupné z: https://dx.doi.org/10.37904/nanocon.2021.4338.

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Základní údaje
Originální název	Silver/alumina core/shell nanopatterned films for in-field detection of soil and water phosphorus using surface enhanced raman spectroscopy
Autoři	PRÁŠEK, Jan, Radim HRDÝ, Dušan HEMZAL (203 Česká republika, domácí), Jana DRBOHLAVOVÁ a Radovan KOPP.
Vydání	Ostrava, Proceedings 13th International Conference on Nanomaterials - Research & Application, od s. 197-202, 6 s. 2021.
Nakladatel	TANGER Ltd.

Další údaje
Originální jazyk	angličtina
Typ výsledku	Stať ve sborníku
Obor	21002 Nano-processes ;
Stát vydavatele	Česká republika
Utajení	není předmětem státního či obchodního tajemství
Forma vydání	tištěná verze "print"
WWW	URL
Kód RIV	RIV/00216224:14310/21:00128824
Organizační jednotka	Přírodovědecká fakulta
ISBN	978-80-88365-00-6
ISSN	2694-930X
Doi	http://dx.doi.org/10.37904/nanocon.2021.4338
Klíčová slova anglicky	Phosphorus; phosphate; detection; core/shell; nanoparticles; Raman spectroscopy; SERS
Štítky	rivok
Příznaky	Mezinárodní význam, Recenzováno
Změnil	Změnila: Mgr. Marie Šípková, DiS., učo 437722. Změněno: 8. 3. 2023 11:30.

Anotace
In this paper, results of our running work on a sensitive and efficient detection of phosphates are presented. We develop a testing kit for rapid chemical detection based on surface-enhanced Raman scattering (SERS). We combine highly SERS active silver layer with a thin overlayer of alumina that is able to adsorb phosphorus compounds, in the form of silver/alumina core/shell nanopatterned film. In the first step, the silver layer was prepared by physical vapor deposition, followed by thermal annealing to form silver nanodots. Subsequently, alumina film was deposited over the silver nanodots using atomic layer deposition to form the silver/alumina core/shell nanopatterned surface. The prepared Ag/Al2O3 films can vary in overall thickness from 4 to 10 nm by changing the deposition parameters. The produced Ag/Al2O3 nanodots exhibit high SERS activity and significant adsorption of phosphate anions on these nanofilms has been confirmed under 532 nm excitation, which produced characteristic phosphate bands in the Raman spectra. The method will be further applied for quantitative detection of inorganic phosphates as well as organophosphates in real pond water samples.

Anotace

In this paper, results of our running work on a sensitive and efficient detection of phosphates are presented. We develop a testing kit for rapid chemical detection based on surface-enhanced Raman scattering (SERS). We combine highly SERS active silver layer with a thin overlayer of alumina that is able to adsorb phosphorus compounds, in the form of silver/alumina core/shell nanopatterned film. In the first step, the silver layer was prepared by physical vapor deposition, followed by thermal annealing to form silver nanodots. Subsequently, alumina film was deposited over the silver nanodots using atomic layer deposition to form the silver/alumina core/shell nanopatterned surface. The prepared Ag/Al2O3 films can vary in overall thickness from 4 to 10 nm by changing the deposition parameters. The produced Ag/Al2O3 nanodots exhibit high SERS activity and significant adsorption of phosphate anions on these nanofilms has been confirmed under 532 nm excitation, which produced characteristic phosphate bands in the Raman spectra. The method will be further applied for quantitative detection of inorganic phosphates as well as organophosphates in real pond water samples.