New tricks for old molecules: Development and application of porous N-doped, carbonaceous membranes for CO2 separation

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Abstract

A new strategy is successfully applied to "old" acetyl compounds. A free-standing, porous, N-doped carbonaceous membrane is facilely prepared from the thermal treatment of a pyrrole-ring-containing polymeric membrane based on the superacid-catalyzed copolymerization of acetyl monomers. An exceptional ideal CO2/N2 permselectivity of 43.2 is achieved with a good CO2 permeability of 1149.3 Barrer, exceeding the recent upper bound for CO2/N2.

Original languageEnglish
Pages (from-to)4152-4158
Number of pages7
JournalAdvanced Materials
Volume25
Issue number30
DOIs
StatePublished - Aug 14 2013

Keywords

  • CO separation
  • N-doped membrane
  • trimerization of acetyl groups

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