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Preparation and characterization of ...

Sullivan, Lisa M.

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Preparation and characterization of zirconium tungstate and vanadium oxide nanocomposites.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Preparation and characterization of zirconium tungstate and vanadium oxide nanocomposites./
Author:	Sullivan, Lisa M.
Description:	168 p.
Notes:	Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 2065.
Contained By:	Dissertation Abstracts International66-04B.
Subject:	Chemistry, Inorganic. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3170660
ISBN:	9780542072154

Preparation and characterization of zirconium tungstate and vanadium oxide nanocomposites.
Sullivan, Lisa M.

Preparation and characterization of zirconium tungstate and vanadium oxide nanocomposites. - 168 p.

Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 2065.

Thesis (Ph.D.)--Vanderbilt University, 2005.

The synthesis and characterization of zirconium tungstate and vanadium oxide nanocomposites is presented in this dissertation. Zirconium tungstate powders are prepared by solution-phase condensation and inverse micelle methods. Prepared zirconium tungstate particles are surface-derivatized with reactive linker molecule and intimately incorporated into a BTDA-ODA polyimide matrix to give hybrid thin films. Increasing the ceramic loading from 0--55 weight percent gives controlled reduction in the composite coefficient of thermal expansion values up to 30%. Experimental observations suggest that zirconium tungstate/polyimide hybrid composites can be used to achieve greater reductions of the coefficient of thermal expansion in traditional ceramic/polymer blends.

ISBN: 9780542072154Subjects--Topical Terms:

517253
Chemistry, Inorganic.

Preparation and characterization of zirconium tungstate and vanadium oxide nanocomposites.
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020 $a 9780542072154
035 $a (UnM)AAI3170660
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100 1 $a Sullivan, Lisa M. $3 1913935
245 1 0 $a Preparation and characterization of zirconium tungstate and vanadium oxide nanocomposites.
300 $a 168 p.
500 $a Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 2065.
500 $a Director: Charles M. Lukehart.
502 $a Thesis (Ph.D.)--Vanderbilt University, 2005.
520 $a The synthesis and characterization of zirconium tungstate and vanadium oxide nanocomposites is presented in this dissertation. Zirconium tungstate powders are prepared by solution-phase condensation and inverse micelle methods. Prepared zirconium tungstate particles are surface-derivatized with reactive linker molecule and intimately incorporated into a BTDA-ODA polyimide matrix to give hybrid thin films. Increasing the ceramic loading from 0--55 weight percent gives controlled reduction in the composite coefficient of thermal expansion values up to 30%. Experimental observations suggest that zirconium tungstate/polyimide hybrid composites can be used to achieve greater reductions of the coefficient of thermal expansion in traditional ceramic/polymer blends.
520 $a Many transition metal oxides undergo interesting phase transitions; therefore, vanadium dioxide and vanadium sesquioxide nanocomposites are prepared for size-dependent phase transition studies. Vanadium dioxide and vanadium sesquioxide nanoparticles are prepared by confining the hydrolysis and condensation of vanadyl alkoxides to the aqueous regions of inverse micelles followed by appropriate thermal treatments. Vanadium sesquioxide/silica xerogel nanocomposites are prepared by the sol-gel reaction of vanadyl acetylacetonate (3-trimethoxysilyl)propyl triethyltriamine with tetramethylorthosilicate and subsequent sequential oxidative and reductive thermal treatments. To complete the vanadium oxide synthesis series, this sol-gel reaction and subsequent oxidative thermal treatment is used to prepare a divanadium pentoxide/silica xerogel nanocomposite.
590 $a School code: 0242.
650 4 $a Chemistry, Inorganic. $3 517253
690 $a 0488
710 2 0 $a Vanderbilt University. $3 1017501
773 0 $t Dissertation Abstracts International $g 66-04B.
790 1 0 $a Lukehart, Charles M., $e advisor
790 $a 0242
791 $a Ph.D.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3170660