Gas-sorption properties of cobalt(II)-carborane-based coordination polymers as a function of morphology

Omar K. Farha, Alexander M. Spokoyny, Karen L. Mulfort, Simona Galli, Joseph T Hupp, Chad A. Mirkin

Research output: Contribution to journalArticle

85 Citations (Scopus)

Abstract

Gas-sorption properties of Cobalt (II)-Carborane-based coordination polymers as a function of morphology are discussed. Compound 1 and Cobalt (II) salts were used successfully to synthesize three new coordination-polymer materials simply by varying the reaction solvent and temperature conditions. The coordination modes of the p-CDC ligand generate two distinct structural motifs, namely four- and eight-membered rings, which reciprocally organize to yield two, interpenetrated, polymeric networks. SEM images of the as-synthesized substances reveal distinct differences in morphology. All three materials retain their apparent morphology upon thermally induced solvent desorption. The hydrogen-uptake properties of all the materials also measured, following treatment with heat and vacuum. After 12-hour, the agglomerates were collected by centrifugation and washed twice with methanol. The washed particles were dried under vacuum at room temperature to afford as a pink powder.

Original languageEnglish
Pages (from-to)1727-1731
Number of pages5
JournalSmall
Volume5
Issue number15
DOIs
Publication statusPublished - Aug 3 2009

Fingerprint

Vacuum
Cobalt
Sorption
Polymers
Gases
Temperature
Centers for Disease Control and Prevention (U.S.)
Centrifugation
Powders
Methanol
Hydrogen
Salts
Hot Temperature
Ligands
Desorption
Scanning electron microscopy

Keywords

  • Carboranes
  • Gas separation
  • Hydrogen storage
  • Infinite coordination polymers
  • Nanoporous materials

ASJC Scopus subject areas

  • Biomaterials
  • Engineering (miscellaneous)
  • Biotechnology
  • Medicine(all)

Cite this

Gas-sorption properties of cobalt(II)-carborane-based coordination polymers as a function of morphology. / Farha, Omar K.; Spokoyny, Alexander M.; Mulfort, Karen L.; Galli, Simona; Hupp, Joseph T; Mirkin, Chad A.

In: Small, Vol. 5, No. 15, 03.08.2009, p. 1727-1731.

Research output: Contribution to journalArticle

Farha, Omar K. ; Spokoyny, Alexander M. ; Mulfort, Karen L. ; Galli, Simona ; Hupp, Joseph T ; Mirkin, Chad A. / Gas-sorption properties of cobalt(II)-carborane-based coordination polymers as a function of morphology. In: Small. 2009 ; Vol. 5, No. 15. pp. 1727-1731.
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