Paper Title:
Controlling the Wall Thickness and Pore Size of SBA-15 by Using PPG and PEG as Additives
  Abstract

Ordered mesoporous silica SBA-15 with controlled pore size and wall thickness was synthesized using polypropylene glycol (PPG) and polyethylene glycol (PEG) as different additives. The final samples were characterized by low-angle X-ray diffraction, N2 adsorption-desorption and transmission electron microscopy. The SBA-15 used PPG or PEG as additive all could maintain the two-dimensional hexagonal structure. The addition of PPG could expand the pore size and decrease the wall thickness and the addition of PEG could reduce the pore size and increase the wall thickness of SBA-15.

  Info
Periodical
Advanced Materials Research (Volumes 152-153)
Edited by
Zhengyi Jiang, Jingtao Han and Xianghua Liu
Pages
1514-1518
DOI
10.4028/www.scientific.net/AMR.152-153.1514
Citation
J. X. Su, M. B. Zhang, L. Y. Ma, S. P. Zhang, F. F. Dong, "Controlling the Wall Thickness and Pore Size of SBA-15 by Using PPG and PEG as Additives", Advanced Materials Research, Vols. 152-153, pp. 1514-1518, 2011
Online since
October 2010
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$32.00
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