A robust viologen and Mn-based porous coordination polymer with two types of Lewis acid sites providing high affinity for H2O, CO2 and NH3

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TitreA robust viologen and Mn-based porous coordination polymer with two types of Lewis acid sites providing high affinity for H2O, CO2 and NH3
Type de publicationJournal Article
Year of Publication2017
AuteursLeblanc A., Mercier N., Allain M., Dul M.-C, Weber G., Geoffroy N., Bellat J.-P, Bezverkhyy I.
JournalDALTON TRANSACTIONS
Volume46
Pagination15666-15670
Date PublishedDEC 7
Type of ArticleArticle
ISSN1477-9226
Résumé

A novel porous coordination polymer [Mn(pc(3))(H2O)(2)]center dot xH(2)O (3 < x < 4) is synthesized in water at pH = 7 using the anionic viologen-carboxylate ligand 4,4'-bipyridinium, 1,1'-bis-(2,4-dicarboxyphenyl) (pc3(2-)). Dehydration of the material results in the formation of open pores containing two types of accessible Lewis acid sites: exposed Mn2+ cations and N+ atoms of viologen units. Due to this property the PCP shows high affinity and capacity in the adsorption of H2O, CO2 and NH3. Despite the presence of strong adsorption sites this material is stable in liquid water and in gaseous NH3 .
DOI10.1039/c7dt03541a