About: Effect of layer charge and dye loading on spectroscopic properties of cationic dye/montmorillonite complexes.

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About: Effect of layer charge and dye loading on spectroscopic properties of cationic dye/montmorillonite complexes. Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Aggregation of methylene blue (MB), crystal violet (CV), nile blue (NB) and rhodamine B (RB) in aqueous solution were studied and percentage distribution of their species (monomer, dimer, trimer and tetramer) in variously concentrated aqueous solutions was calculated. Ca2+-montmorillonite with high layer charge (SAz-1) and reduced charge (RC-SAz(210)) were saturated with the cationic dyes (CD). The prepared cationic dye/montmorillonite complexes were analysed using fluorescence and Vis electron spectroscopy. The Vis electron spectra of fully saturated CD/SAz complexes revealed the presence of higher aggregates, which cause quenching of fluorescence. A huge increase of fluorescence was observed in CD/RC-SAz(210) complexes where mainly monomers and/or dimers of cationic dye are formed. Suppression of dye aggregation in these complexes was due to reduction of montmorillonite layer charge and low dye loading. Aggregation of methylene blue (MB), crystal violet (CV), nile blue (NB) and rhodamine B (RB) in aqueous solution were studied and percentage distribution of their species (monomer, dimer, trimer and tetramer) in variously concentrated aqueous solutions was calculated. Ca2+-montmorillonite with high layer charge (SAz-1) and reduced charge (RC-SAz(210)) were saturated with the cationic dyes (CD). The prepared cationic dye/montmorillonite complexes were analysed using fluorescence and Vis electron spectroscopy. The Vis electron spectra of fully saturated CD/SAz complexes revealed the presence of higher aggregates, which cause quenching of fluorescence. A huge increase of fluorescence was observed in CD/RC-SAz(210) complexes where mainly monomers and/or dimers of cationic dye are formed. Suppression of dye aggregation in these complexes was due to reduction of montmorillonite layer charge and low dye loading. (en)
Title	Effect of layer charge and dye loading on spectroscopic properties of cationic dye/montmorillonite complexes. Effect of layer charge and dye loading on spectroscopic properties of cationic dye/montmorillonite complexes. (en)
skos:prefLabel	Effect of layer charge and dye loading on spectroscopic properties of cationic dye/montmorillonite complexes. Effect of layer charge and dye loading on spectroscopic properties of cationic dye/montmorillonite complexes. (en)
skos:notation	RIV/61989100:27360/10:86076243!RIV11-MSM-27360___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6198910016)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Horáková, Petra
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	256038
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/10:86076243
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Cationic dye, Montmorillonite, Fluorescence. (en)
http://linked.open.../riv/klicoveSlovo	Cationic dye Fluorescence. Montmorillonite
http://linked.open...ontrolniKodProRIV	[F5999AB6CBC4]
http://linked.open...v/mistoKonaniAkce	Smolenice
http://linked.open...i/riv/mistoVydani	Bratislava
http://linked.open...i/riv/nazevZdroje	International doctoral seminar
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Pustková, Petra
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2010-05-16 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Syntéza, struktura a vlastnosti nanomateriálů založených na bázi interkalovaných fylosylikátů
number of pages	9 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Slovenská technická univerzita v Bratislave
https://schema.org/isbn	978-80-8096-118-3
http://localhost/t...ganizacniJednotka	27360

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