About: Preparation of Silver-Montmorillonite Nanocomposites by Reduction with Formaldehyde and Borohydride

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About: Preparation of Silver-Montmorillonite Nanocomposites by Reduction with Formaldehyde and Borohydride Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Na-rich montmorillonite (MMT) was intercalated with silver cations, which were subsequently reduced with formaldehyde or sodium borohydride. The silver-montmorillonite nanocomposites were studied by UV-visible spectrometry, transmission electron microscopy (TEM) and X-ray diffractometry (XRD). The influence of different reducing agents on the dispersity and size of silver particles deposited on montmorillonite surface was investigated. The reduction with borohydride gives rise to uniformly dispersed silver particles with a narrow particle size distribution from 3 nm to 13 nm. Formaldehyde reduction forms unevenly dispersed particles with a much wider size distribution, ranging from 3 to 100 nm. In addition, some Ag2O particles were found among silver particles prepared with formaldehyde, likely as a result of incomplete reduction. Na-rich montmorillonite (MMT) was intercalated with silver cations, which were subsequently reduced with formaldehyde or sodium borohydride. The silver-montmorillonite nanocomposites were studied by UV-visible spectrometry, transmission electron microscopy (TEM) and X-ray diffractometry (XRD). The influence of different reducing agents on the dispersity and size of silver particles deposited on montmorillonite surface was investigated. The reduction with borohydride gives rise to uniformly dispersed silver particles with a narrow particle size distribution from 3 nm to 13 nm. Formaldehyde reduction forms unevenly dispersed particles with a much wider size distribution, ranging from 3 to 100 nm. In addition, some Ag2O particles were found among silver particles prepared with formaldehyde, likely as a result of incomplete reduction. (en)
Title	Preparation of Silver-Montmorillonite Nanocomposites by Reduction with Formaldehyde and Borohydride Preparation of Silver-Montmorillonite Nanocomposites by Reduction with Formaldehyde and Borohydride (en)
skos:prefLabel	Preparation of Silver-Montmorillonite Nanocomposites by Reduction with Formaldehyde and Borohydride Preparation of Silver-Montmorillonite Nanocomposites by Reduction with Formaldehyde and Borohydride (en)
skos:notation	RIV/61388980:_____/09:00340426!RIV10-AV0-61388980
http://linked.open...avai/riv/aktivita	S Z
http://linked.open...avai/riv/aktivity	S, Z(AV0Z40320502), Z(MSM6198910016)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Klementová, Mariana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav anorganické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	335739
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/09:00340426
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	silver; nanocomposites; montmorillonite; reduction (en)
http://linked.open.../riv/klicoveSlovo	reduction nanocomposites montmorillonite silver
http://linked.open...odStatuVydavatele	BR - Brazilská federativní republika
http://linked.open...ontrolniKodProRIV	[0291E951FC14]
http://linked.open...i/riv/nazevZdroje	Journal of the Brazilian Chemical Society
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	20
http://linked.open...iv/tvurceVysledku	Klementová, Mariana Praus, P. Turicová, M.
http://linked.open...ain/vavai/riv/wos	000269440000021
http://linked.open...n/vavai/riv/zamer	Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí Syntéza, struktura a vlastnosti nanomateriálů založených na bázi interkalovaných fylosylikátů
issn	0103-5053
number of pages	7 (xsd:int)

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