Document Detail


Synthesis of Porous, Nitrogen-Doped Adsorption/Diffusion Carbonaceous Membranes for Efficient CO2 Separation.
MedLine Citation:
PMID:  23450623     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
A porous, nitrogen-doped carbonaceous free-standing membrane (TFMT-550) is prepared by a facile template-free method using letrozole as an intermediate to a triazole-functionalized-triazine framework, followed by carbonization. Such adsorption/diffusion membranes exhibit good separation performance of CO over N and surpassing the most recent Robeson upper bound. An exceptional ideal CO /N permselectivity of 47.5 was achieved with a good CO permeability of 2.40 × 10 mol m m s Pa . The latter results arise from the presence of micropores, narrow distribution of small mesopores and from the strong dipole-quadrupole interactions between the large quadrupole moment of CO molecules and the polar sites associated with N groups (e.g., triazine units) within the framework.
Authors:
Xiang Zhu; Songhai Chai; Chengcheng Tian; Pasquale F Fulvio; Kee Sung Han; Edward W Hagaman; Gabriel M Veith; Shannon M Mahurin; Suree Brown; Honglai Liu; Sheng Dai
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Macromolecular rapid communications     Volume:  34     ISSN:  1521-3927     ISO Abbreviation:  Macromol Rapid Commun     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-03-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9888239     Medline TA:  Macromol Rapid Commun     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  452-9     Citation Subset:  IM    
Copyright Information:
Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Affiliation:
State Key Laboratory of Chemical Engineering and Department of Chemistry, East China University of Science and Technology, Shanghai 200237, P.R. China; Chemical Sciences Divisions, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.
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