Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/16554
Title: Gas transport in vertically-aligned carbon nanotube/parylene composite membranes
Authors: Zhang, L
Zhao, B
Wang, X
Liang, Y
Qiu, H
Zheng, G 
Yang, J
Issue Date: 2014
Publisher: Pergamon-Elsevier Science Ltd
Source: Carbon, 2014, v. 66, p. 11-17 How to cite?
Journal: Carbon 
Abstract: Vertically-aligned carbon nanotube (VACNT) composite membranes were fabricated by impregnating carbon nanotube (CNT) forests with poly-para-xylylene (parylene-C) through room-temperature chemical vapor deposition (CVD). Transport properties of diverse gases through the CNT/parylene membranes were investigated. The gas permeances scaled inversely with their molecular weights in accordance with Knudsen model and the value of permeance was about 30 times higher than that predicted by the Knudsen diffusion kinetics, which was attributed to the atomically smooth interiors of CNTs. In addition, the gas permeance values in this work were higher than those reported for other VACNT membranes, due to the smaller membrane thickness and good crystallinity of the CNTs.
URI: http://hdl.handle.net/10397/16554
ISSN: 0008-6223
DOI: 10.1016/j.carbon.2013.08.007
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