Layered silicates by swelling of AMH-3 and nanocomposite membranes

Sunho Choi, Joaquin Coronas, Edgar Jordan, Weontae Oh, Sankar Nair, Frank Onorato, Daniel F. Shantz, Michael Tsapatsis

Research output: Contribution to journalArticlepeer-review

88 Scopus citations

Abstract

(Chemical Equation Presented) Filling in: A new layered silicate material is prepared from a 3D porous silicate framework (AMH-3) by a novel procedure involving ion exchange and sequential intercalation. Layers of swollen AMH-3 are incorporated into a polymer, resulting in a mixed-matrix nanocomposite (see picture). The room-temperature hydrogen/carbon dioxide ideal selectivity of the swollen nanocomposite membranes is improved by a factor of two compared to the pure polymer.

Original languageEnglish (US)
Pages (from-to)552-555
Number of pages4
JournalAngewandte Chemie - International Edition
Volume47
Issue number3
DOIs
StatePublished - Mar 27 2008

Keywords

  • Intercalations
  • Membranes
  • Microporous materials
  • Nanostructures
  • Organic-inorganic hybrid composites

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