Metal inorganic frameworks: Dynamic flexible architecture with extended pore order built from [Se3]2- linkers and [Re 6Se6Br8]2- clusters

Nan Ding, Gerasimos S. Armatas, Mercouri G Kanatzidis

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

A mesostructured chalcogenide built from Chevrel-type clusters [(Re 6Se6Br2)Br6T] 2- linked by ditopic [Se3]2- anions and synthesized in the presence of a cationic surfactant template is reported. This new mesophase, h-C18PyReSeBr, exhibits remarkably well ordered hexagonal symmetry from which a reasonable structural model can be deduced on the basis of powder X-ray diffraction as well as pair distribution function (PDF) analysis. Small-angle X-ray scattering (SAXS) analysis shows that h-C 18PyReSeBr possesses an enormous interfacial area of 477 m 2/g between the inorganic framework and the guest surfactant cations, which is comparable to that of mesoporous silicas when heavy metals contained in the framework are taken into consideration. The framework of h-C 18PyReSeBr exhibits great flexibility and responds dynamically to the extraframework cations via an ion-exchange process.

Original languageEnglish
Pages (from-to)6728-6734
Number of pages7
JournalJournal of the American Chemical Society
Volume132
Issue number19
DOIs
Publication statusPublished - May 19 2010

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Surface-Active Agents
Cations
Positive ions
Metals
Cationic surfactants
Ion Exchange
Structural Models
Heavy Metals
X ray scattering
X-Ray Diffraction
Silicon Dioxide
Powders
X ray powder diffraction
Heavy metals
Distribution functions
Anions
Ion exchange
Surface active agents
Negative ions
Silica

ASJC Scopus subject areas

  • Chemistry(all)
  • Catalysis
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Metal inorganic frameworks : Dynamic flexible architecture with extended pore order built from [Se3]2- linkers and [Re 6Se6Br8]2- clusters. / Ding, Nan; Armatas, Gerasimos S.; Kanatzidis, Mercouri G.

In: Journal of the American Chemical Society, Vol. 132, No. 19, 19.05.2010, p. 6728-6734.

Research output: Contribution to journalArticle

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