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dc.contributor.authorKlika, Zdeněk
dc.contributor.authorPustková, Petra
dc.contributor.authorPraus, Petr
dc.contributor.authorKovář, Petr
dc.contributor.authorPospíšil, Miroslav
dc.contributor.authorMalý, Petr
dc.contributor.authorGrygar, Tomáš
dc.contributor.authorKulhánková, Lenka
dc.contributor.authorČapková, Pavla
dc.date.accessioned2009-11-10T08:05:03Z
dc.date.available2009-11-10T08:05:03Z
dc.date.issued2009
dc.identifier.citationJournal of Colloid and Interface Science. 2009, vol. 339, issue 2, p. 416-423.en
dc.identifier.issn0021-9797
dc.identifier.urihttp://hdl.handle.net/10084/76280
dc.description.abstractThe intensity of fluorescence of montmorillonites fully saturated by methylene blue (MB) is very poor due to energy dissipation in MB aggregates. A series of reduced charge montmorillonites (RCM) were prepared from Na-homoionic SWy and Ca homoionic SAz with the aim to decrease the MB aggregation. Fine tuning MB adsorption degree by charge reduction and MB concentration enabled controlled production of different dye species from aggregates via dimers to monomers. It was shown that the intensity of the fluorescence of low-loaded MB–RCM complexes is enhanced by several orders of magnitude with respect to dye-saturated original montmorillonites. XRD analyses, molecular modeling, and diffuse reflectance spectroscopy revealed that low MB-loaded RCMs are very probably adsorbed mainly on the external montmorillonite surface as isolated dye molecules. Such a state cannot be achieved in the solid state without very careful tailoring of the host–guest interaction.en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.ispartofseriesJournal of Colloid and Interface Scienceen
dc.relation.urihttps://doi.org/10.1016/j.jcis.2009.07.062en
dc.titleFluorescence of reduced charge montmorillonite complexes with methylene blue: Experiments and molecular modelingen
dc.typearticleen
dc.identifier.locationNení ve fondu ÚKen
dc.identifier.doi10.1016/j.jcis.2009.07.062
dc.identifier.wos000270748500018


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