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Statements

Subject Item
n2:RIV%2F61388963%3A_____%2F11%3A00364655%21RIV12-AV0-61388963
rdf:type
n8:Vysledek skos:Concept
dcterms:description
Carbon monoxide is frequently used as a probe molecule for characterization of adsorption sites in zeolites by means of infrared (IR) spectroscopy. IR spectra of carbonyl species in zeolites are usually understood within a concept of CO adsorption on a single cation site. This concept, however, is not sufficient in microporous materials when the concentration of cationic sites increases. Adsorption complexes formed on homogeneous dual cation sites were recently described based on a combination of experimental and theoretical investigations. The concept of dual cation sites is extended for the situation where CO is strongly bound on the Cu+ cation and it also interacts with the extra-framework alkali-metal cation. The existence and properties of the CO adsorption complexes on such heterogeneous dual cation sites are discussed for Cu,M-FER zeolites (M = H, Na, K, Cs) having various compositions. Carbon monoxide is frequently used as a probe molecule for characterization of adsorption sites in zeolites by means of infrared (IR) spectroscopy. IR spectra of carbonyl species in zeolites are usually understood within a concept of CO adsorption on a single cation site. This concept, however, is not sufficient in microporous materials when the concentration of cationic sites increases. Adsorption complexes formed on homogeneous dual cation sites were recently described based on a combination of experimental and theoretical investigations. The concept of dual cation sites is extended for the situation where CO is strongly bound on the Cu+ cation and it also interacts with the extra-framework alkali-metal cation. The existence and properties of the CO adsorption complexes on such heterogeneous dual cation sites are discussed for Cu,M-FER zeolites (M = H, Na, K, Cs) having various compositions.
dcterms:title
Combined Experimental and Theoretical Investigations of Heterogeneous Dual Cation Sites in Cu,M-FER Zeolites Combined Experimental and Theoretical Investigations of Heterogeneous Dual Cation Sites in Cu,M-FER Zeolites
skos:prefLabel
Combined Experimental and Theoretical Investigations of Heterogeneous Dual Cation Sites in Cu,M-FER Zeolites Combined Experimental and Theoretical Investigations of Heterogeneous Dual Cation Sites in Cu,M-FER Zeolites
skos:notation
RIV/61388963:_____/11:00364655!RIV12-AV0-61388963
n8:predkladatel
n13:ico%3A61388963
n3:aktivita
n17:Z n17:P
n3:aktivity
P(GA203/09/0143), P(GPP208/11/P276), P(LC512), Z(AV0Z40550506), Z(MSM0021620857), Z(MSM0021627501)
n3:cisloPeriodika
27
n3:dodaniDat
n20:2012
n3:domaciTvurceVysledku
n15:9831339
n3:druhVysledku
n19:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
190880
n3:idVysledku
RIV/61388963:_____/11:00364655
n3:jazykVysledku
n5:eng
n3:klicovaSlova
augmented-wave method; high-silica zeolites; co adsorption; infrared-spectroscopy
n3:klicoveSlovo
n6:infrared-spectroscopy n6:high-silica%20zeolites n6:augmented-wave%20method n6:co%20adsorption
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[444F2225AD4F]
n3:nazevZdroje
Journal of Physical Chemistry C
n3:obor
n4:CF
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
6
n3:projekt
n9:LC512 n9:GA203%2F09%2F0143 n9:GPP208%2F11%2FP276
n3:rokUplatneniVysledku
n20:2011
n3:svazekPeriodika
115
n3:tvurceVysledku
Cicmanec, P. Nachtigall, P. Nachtigallová, Dana Pulido, A. Bulánek, R. Frolich, K.
n3:wos
000292479700025
n3:zamer
n11:MSM0021620857 n11:AV0Z40550506 n11:MSM0021627501
s:issn
1932-7447
s:numberOfPages
10
n14:doi
10.1021/jp200293y