Paper Title:
Immobilization of Hydride Tungsten Complex in Microporous Structures
  Abstract

A hydride tungsten complex, [WH2(η2-OOCCH3)(Ph2PCH2CH2PPh2)2][BPh4], was entrapped in the interlayer of a pillared layered clay (PILC) and in NaY zeolite. The adsorption of the complex in the liquid phase was the immobilization process used. The free complex and the new materials were characterized by several techniques: structural analysis by DRX, nitrogen adsorption isotherms and spectroscopic methods (ICP-AES, FTIR and UV/Vis). Analysis of the data indicates that the tungsten(IV) complex is immobilized in the host microporous structures, and exhibit structural properties that are different from those of the free complex. These differences could arise either from distortions caused by steric effects imposed by the structures or from interactions with the host matrix.

  Info
Periodical
Materials Science Forum (Volumes 514-516)
Edited by
Paula Maria Vilarinho
Pages
1196-1200
DOI
10.4028/www.scientific.net/MSF.514-516.1196
Citation
F. Costa, A. M. C. Fonseca, I. Neves, A. P. Carvalho, J. Pires, "Immobilization of Hydride Tungsten Complex in Microporous Structures", Materials Science Forum, Vols. 514-516, pp. 1196-1200, 2006
Online since
May 2006
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Price
$32.00
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