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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F11%3A00361669%21RIV12-GA0-61388955
rdf:type
n7:Vysledek skos:Concept
dcterms:description
Siliceous SBA-15 mesoporous molecular sieves were functionalized with different amounts of 3-aminopropyl-trimethoxysilane. To obtain a more detailed insight into the material properties of the prepared samples, their textural parameters were combined with results of thermal analysis. Adsorption isotherms of carbon dioxide on parent and functionalized SBA-15 were measured in the temperature range from 273 to 333 K. From the temperature dependence of CO2 isotherms the isosteric adsorption heats of CO2 were determined and discussed. Information about the surface energetic heterogeneity caused by tethered 3-aminopropyl groups were obtained from CO2 adsorption energy distributions calculated using the theoretical CO2 adsorption isotherms derived from the non-local density functional theory. The values of isosteric heats and the energy distributions of CO2 adsorption detect highly energetic sites and enabled quantification of their concentrations. Siliceous SBA-15 mesoporous molecular sieves were functionalized with different amounts of 3-aminopropyl-trimethoxysilane. To obtain a more detailed insight into the material properties of the prepared samples, their textural parameters were combined with results of thermal analysis. Adsorption isotherms of carbon dioxide on parent and functionalized SBA-15 were measured in the temperature range from 273 to 333 K. From the temperature dependence of CO2 isotherms the isosteric adsorption heats of CO2 were determined and discussed. Information about the surface energetic heterogeneity caused by tethered 3-aminopropyl groups were obtained from CO2 adsorption energy distributions calculated using the theoretical CO2 adsorption isotherms derived from the non-local density functional theory. The values of isosteric heats and the energy distributions of CO2 adsorption detect highly energetic sites and enabled quantification of their concentrations.
dcterms:title
Thermodynamics of CO2 adsorption on functionalized SBA-15 silica. NLDFT analysis of surface energetic heterogeneity Thermodynamics of CO2 adsorption on functionalized SBA-15 silica. NLDFT analysis of surface energetic heterogeneity
skos:prefLabel
Thermodynamics of CO2 adsorption on functionalized SBA-15 silica. NLDFT analysis of surface energetic heterogeneity Thermodynamics of CO2 adsorption on functionalized SBA-15 silica. NLDFT analysis of surface energetic heterogeneity
skos:notation
RIV/61388955:_____/11:00361669!RIV12-GA0-61388955
n7:predkladatel
n8:ico%3A61388955
n4:aktivita
n17:P n17:Z
n4:aktivity
P(GA203/08/0604), Z(AV0Z40400503)
n4:cisloPeriodika
34
n4:dodaniDat
n6:2012
n4:domaciTvurceVysledku
n10:6088252 n10:7016662 n10:5283396
n4:druhVysledku
n15:J
n4:duvernostUdaju
n19:S
n4:entitaPredkladatele
n20:predkladatel
n4:idSjednocenehoVysledku
235222
n4:idVysledku
RIV/61388955:_____/11:00361669
n4:jazykVysledku
n12:eng
n4:klicovaSlova
thermodynamics; CO2 adsorption; SBA-15 silica
n4:klicoveSlovo
n11:CO2%20adsorption n11:thermodynamics n11:SBA-15%20silica
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[E65ECF696540]
n4:nazevZdroje
Physical Chemistry Chemical Physics
n4:obor
n16:CF
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
4
n4:projekt
n9:GA203%2F08%2F0604
n4:rokUplatneniVysledku
n6:2011
n4:svazekPeriodika
13
n4:tvurceVysledku
Čejka, Jiří Mayerová, Jana Jagiello, J. Zukal, Arnošt
n4:wos
000293900400012
n4:zamer
n14:AV0Z40400503
s:issn
1463-9076
s:numberOfPages
8
n3:doi
10.1039/C1CP20943D