Investigation of confined ionic liquid in nanostructured materials by a combination of SANS, contrast-matching SANS, and nitrogen adsorption

© 2011 American Chemical Society

Détails bibliographiques
Publié dans:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 27(2011), 13 vom: 05. Juli, Seite 7980-5
Auteur principal: Stefanopoulos, Konstantinos L (Auteur)
Autres auteurs: Romanos, George E, Vangeli, Olga C, Mergia, Konstantina, Kanellopoulos, Nick K, Koutsioubas, Alexandros, Lairez, Didier
Format: Article en ligne
Langue:English
Publié: 2011
Accès à la collection:Langmuir : the ACS journal of surfaces and colloids
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245 1 0 |a Investigation of confined ionic liquid in nanostructured materials by a combination of SANS, contrast-matching SANS, and nitrogen adsorption 
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520 |a Small-angle neutron scattering (SANS), contrast-matching SANS, and nitrogen adsorption have been utilized to investigate the confined ionic liquid (IL) [bmim][PF(6)] phase in ordered mesoporous silica MCM-41 and SBA-15. The results suggest that the pores of SBA-15 are completely filled with IL whereas a small fraction of the pore volume, the pore "core", of MCM-41 is empty. The contrast-matching SANS measurements confirm the enhanced solubility of water in IL. In addition, they provide strong evidence that water does not enter the empty pore core of MCM-41, possibly because of the preferred orientation of the IL molecules in the adsorbed layer 
650 4 |a Journal Article 
700 1 |a Romanos, George E  |e verfasserin  |4 aut 
700 1 |a Vangeli, Olga C  |e verfasserin  |4 aut 
700 1 |a Mergia, Konstantina  |e verfasserin  |4 aut 
700 1 |a Kanellopoulos, Nick K  |e verfasserin  |4 aut 
700 1 |a Koutsioubas, Alexandros  |e verfasserin  |4 aut 
700 1 |a Lairez, Didier  |e verfasserin  |4 aut 
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