Preparation of free-standing high quality mesoporous carbon membranes

被引：36

作者：

Wang, Xiqing ^{[1
]}

Zhu, Qinq ^{[1
]}

Mahurin, Shannon M. ^{[1
]}

Liang, Chengdu ^{[1
]}

Dai, Sheng ^{[1
]}

机构：

[1] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA

来源：

CARBON | 2010年 / 48卷 / 02期

关键词：

SEPARATION;

D O I：

10.1016/j.carbon.2009.09.059

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Flat-sheet mesoporous carbon membranes with uniform pore size (e.g., 6.4 nm) and controllable thickness were prepared by pyrolysis of polymeric composite films, which were formed by self-assembly of phenolic resin and block copolymer under acidic conditions. Hexamethylenetetramine was selected as a solid cross-linker to control the rheology of polymeric carbon precursors so that the flat-sheet polymeric films could undergo carbonization without deformation, ensuring the preparation of mesoporous carbon membranes on a large scale with high quality. Gas transport properties through these mesoporous carbon membranes are also reported. (c) 2009 Elsevier Ltd. All rights reserved.

引用

页码：557 / 560

页数：4

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