Properties and applications of silica submicron powders with surface Ag nanoclusters

• Autorzy: Jasiorski M. , Bakardijeva S. , Doroszkiewicz W. , Brzeziński S. , Malinowska G. , Ornat M. , Stręk W. , Maruszewski K.
• Języki publikacji: EN

Abstrakty

EN

Spherical silica powders with uniform, submicron grain diameter have been obtained using the sol -gel technology. Subsequently, metallic silver nanoparticles have been produced on the surfaces of the grains. Raman scattering spectra of such SiO2-Ag0 powders impregnated in ethanol solutions of tris(2,2' -bipyridyl)ruthenium(II) can be recorded for solutions four orders of magnitude more diluted than the lowest possible concentration detectable for complex liquid solutions in the same experimental conditions (the SERS effect). Also, such silver-doped silica powders display anti-microbial capabilities and can be used to obtain doped thin-film coatings, e.g. for the production of bacteriostatic textiles.

Słowa kluczowe

EN

sol-gel method; Ag nanoparticles; submicron silica spheres; SERS; bacteriostatic properties

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2004
• Tom: Vol. 22, No. 2
• Strony: 137--144
• Opis fizyczny: Bibliogr. 28 poz.

Twórcy

autor

Jasiorski M.

• Institute of Inorganic Chemistry and Metallurgy of Rare Elements, Wrocław University of Technology, ul. Smoluchowskiego 23, 50-372 Wrocław, Poland

autor

Bakardijeva S.

• Institute of Inorganic Chemistry, Academy of Sciences of the Czech Republic, 25-068 Rez, Czech Republic

autor

Doroszkiewicz W.

• Department of Microbiology, Institute of Genetic and Microbiology, University of Wrocław, ul. Przybyszewskiego 63/72, 51-148 Wrocław, Poland

autor

Brzeziński S.

• Institute of Textile Materials Engineering, Gdańska 118, 90-520 Łódź, Poland

autor

Malinowska G.

• Institute of Textile Materials Engineering, Gdańska 118, 90-520 Łódź, Poland

autor

Ornat M.

• Institute of Textile Materials Engineering, Gdańska 118, 90-520 Łódź, Poland

autor

Stręk W.

• Institute for Low Temperature and Structure Research, Polish Academy of Sciences, ul. Okólna 2, P.O. Box 1410, 50-950 Wrocław 2, Poland

autor

Maruszewski K.

• Institute for Low Temperature and Structure Research, Polish Academy of Sciences, ul. Okólna 2, P.O. Box 1410, 50-950 Wrocław 2, Poland
• Institute of Materials Sciences and Applied Mechanics, Wrocław University of Technology, ul. Smoluchowskiego 25, 50-370 Wrocław, Poland

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