Document Detail


Does Water Affect the Acidity of Surfaces? The Proton-Donating Ability of Silanol and Carboxylic Acid Groups at Mesoporous Silica.
MedLine Citation:
PMID:  22517759     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Solvation at the interphase: A study of the influence of water on the effective acidity of silanol and carboxylic acid groups of propionic acid functionalized SBA-15 reveals that to affect the proton-donating ability of an acidic group at the surface, water should be able to form a solvation shell around that group. As a result, water does not affect the acidity of native SBA-15 but dramatically enhances that of SBA-15 functionalized with propionic acid moieties.
Authors:
Andrey A Gurinov; Daniel Mauder; Dilek Akcakayiran; Gerhard H Findenegg; Ilya G Shenderovich
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-19
Journal Detail:
Title:  Chemphyschem : a European journal of chemical physics and physical chemistry     Volume:  -     ISSN:  1439-7641     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100954211     Medline TA:  Chemphyschem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Affiliation:
Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin (Germany); Department of Physics, St.Petersburg State University, Ulianovskaya 1, 198504 St. Petersburg, Russian Federation (Russia).
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