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New Tricks for Old Molecules: Development and Application of Porous N‐doped, Carbonaceous Membranes for CO 2 Separation
Author(s) -
Zhu Xiang,
Tian Chengcheng,
Chai Songhai,
Nelson Kimberly,
Han Kee Sung,
Hagaman Edward W.,
Veith Gabriel M.,
Mahurin Shan M.,
Liu Honglai,
Dai Sheng
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201300793
Subject(s) - superacid , materials science , membrane , copolymer , pyrrole , barrer , doping , chemical engineering , porosity , monomer , molecule , gas separation , polymer chemistry , nanotechnology , organic chemistry , catalysis , polymer , chemistry , composite material , biochemistry , optoelectronics , engineering
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 CO 2 /N 2 permselectivity of 43.2 is achieved with a good CO 2 permeability of 1149.3 Barrer, exceeding the recent upper bound for CO 2 /N 2 .

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