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University of Northern Iowa

Dissertations and Theses @ UNI

Bipyridinium compounds--Properties; Bipyridinium compounds--Structure; Organocobalt compounds--Properties; Organocobalt compounds--Structure; Absorption; Adsorption;

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Full-Text Articles in Physical Sciences and Mathematics

Liquid Sorption Properties And Structural Changes Of Metal-Organic Frameworks Of Cobalt Nitrate And 4,4'-Bipyridine, Kathryn Mauger-Sonnek Jan 2013

Liquid Sorption Properties And Structural Changes Of Metal-Organic Frameworks Of Cobalt Nitrate And 4,4'-Bipyridine, Kathryn Mauger-Sonnek

Dissertations and Theses @ UNI

Metal-organic frameworks consist of metal ions connected by organic ligands. When the metal ions and organic ligands link together in the right geometry, polymeric and infinite 1D chains or 2D and 3D networks are formed. Porous metal-organic frameworks were synthesized from the organic ligand 4,4′-bipyridine (bpy) and cobalt(II) nitrate. The metal-organic frameworks synthesized in this study grew into both a previously known 2D bilayer structure, [Co2(bpy)3(NO3)4]n, and a new, orange 1D chain structure, [Co(bpy)NO3)2(H2O)2]n, within ethanol. It was found that the presence of water was the main factor of causing formation of the orange 1D chain crystals. Drying the orange …