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231223s2010 xx |||||o 00| ||eng c |
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7 |
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|a 10.1021/la1011082
|2 doi
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|a eng
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| 100 |
1 |
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|a Bruschi, Lorenzo
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Capillary condensation and evaporation in alumina nanopores with controlled modulations
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|c 2010
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 01.12.2010
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|a Date Revised 29.07.2010
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Capillary condensation in nanoporous anodic aluminum oxide presenting not interconnected pores with controlled modulations is studied using adsorption experiments and molecular simulations. Both the experimental and simulation data show that capillary condensation and evaporation are driven by the smallest size of the nanopore (constriction). The adsorption isotherms for the open and closed pores are almost identical if constrictions are added to the system. The latter result implies that the type of pore ending does not matter in modulated pores. Thus, the presence of hysteresis loops observed in adsorption isotherms measured in straight nanopores with closed bottom ends can be explained in terms of geometrical inhomogeneities along the pore axis. More generally, these results provide a general picture of capillary condensation and evaporation in constricted or modulated pores that can be used for the interpretation of adsorption in disordered porous materials
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|a Journal Article
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1 |
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|a Mistura, Giampaolo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Lifeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Woo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gösele, Ulrich
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Coasne, Benoit
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
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|g 26(2010), 14 vom: 20. Juli, Seite 11894-8
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