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Open Access Square Grid and Pillared Square Grid Coordination Polymers – Fertile Ground for Crystal Engineering of Structure and Function

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Square grid coordination polymers (CPs) based upon four-connected metal centres linked by linear bifunctional ligands such as 4,4'-bipyridine were first reported in 1990 and the study of their pillared variants began in 1995. It was quickly realized by crystal engineers that the modularity of such CPs creates families of related compounds or platforms which in turn affords opportunities for systematic study of structure/function relationships in the context of catalysis, magnetism and porosity. This review covers the historical development of this important class of CPs before addressing recent studies of variants which incorporate 4,4'-bipyridine and related linkers to facilitate control over pore size and inorganic anion pillars to enable strong interactions with polarizable molecules such as CO2. Such pillared CPs offer relatively low cost, high stability and modularity. When these features are coupled with superior performance vs . other classes of porous materials in the context of carbon capture and other gas separations involving CO2, they are likely to gain increased attention in the future.
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Keywords: CARBON CAPTURE; COORDINATION POLYMER; CRYSTAL ENGINEERING; NETWORK; POROSITY

Document Type: Research Article

Affiliations: 1: University of South Florida Department of Chemistry 4202 E. Fowler Ave., CHE 205 Tampa, FL 33620, USA 2: University of South Florida Department of Chemistry 4202 E. Fowler Ave., CHE 205 Tampa, FL 33620, USA; Alexandria University Chemistry Department, Faculty of Science P.O. Box 426 Ibrahimia Alexandria, 21321, Egypt 3: University of South Florida Department of Chemistry 4202 E. Fowler Ave., CHE 205 Tampa, FL 33620, USA. [email protected]

Publication date: May 1, 2013

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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