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Fabrication and Characterization of ...

Turner, Alexandra.

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Fabrication and Characterization of UV-Emitting Defect Free Zinc Oxide Nanoparticles.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Fabrication and Characterization of UV-Emitting Defect Free Zinc Oxide Nanoparticles./
Author:	Turner, Alexandra.
Description:	92 p.
Notes:	Source: Masters Abstracts International, Volume: 49-02, page: 1183.
Contained By:	Masters Abstracts International49-02.
Subject:	Chemistry, Inorganic. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1483251
ISBN:	9781124354156

Fabrication and Characterization of UV-Emitting Defect Free Zinc Oxide Nanoparticles.
Turner, Alexandra.

Fabrication and Characterization of UV-Emitting Defect Free Zinc Oxide Nanoparticles. - 92 p.

Source: Masters Abstracts International, Volume: 49-02, page: 1183.

Thesis (M.S.)--Villanova University, 2010.

This thesis details the synthesis and characterization of UV--emitting defect--free zinc oxide (ZnO) nanoparticles. The synthesis of the colloidal nanoparticles was performed in an aqueous solution by adding sodium hydroxide to zinc sulfate at 60°C. The most effective procedure for eliminating the defect emission band present in the ZnO nanoparticles was found to be annealing the particles at 400°C. Elimination through annealing indicates that interstitial atoms within the lattice became mobile at high temperatures and diffused out of the lattice. Additionally, the defect-free particles were coated with several fatty acids to improve dispersion in organic solvents. Additional methods were applied to synthesize ZnO nanoparticles with smaller sizes and various shapes including synthesizing the nanoparticles at lower reaction temperatures. The results of the synthesis at a lower reaction temperature showed minimal control over size and shape of the nanoparticles. The particles were characterized using several spectroscopic techniques.

ISBN: 9781124354156Subjects--Topical Terms:

517253
Chemistry, Inorganic.

Fabrication and Characterization of UV-Emitting Defect Free Zinc Oxide Nanoparticles.
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020 $a 9781124354156
035 $a (UMI)AAI1483251
035 $a AAI1483251
040 $a UMI $c UMI
100 1 $a Turner, Alexandra. $3 1683995
245 1 0 $a Fabrication and Characterization of UV-Emitting Defect Free Zinc Oxide Nanoparticles.
300 $a 92 p.
500 $a Source: Masters Abstracts International, Volume: 49-02, page: 1183.
500 $a Adviser: Temer S. Ahmadi.
502 $a Thesis (M.S.)--Villanova University, 2010.
520 $a This thesis details the synthesis and characterization of UV--emitting defect--free zinc oxide (ZnO) nanoparticles. The synthesis of the colloidal nanoparticles was performed in an aqueous solution by adding sodium hydroxide to zinc sulfate at 60°C. The most effective procedure for eliminating the defect emission band present in the ZnO nanoparticles was found to be annealing the particles at 400°C. Elimination through annealing indicates that interstitial atoms within the lattice became mobile at high temperatures and diffused out of the lattice. Additionally, the defect-free particles were coated with several fatty acids to improve dispersion in organic solvents. Additional methods were applied to synthesize ZnO nanoparticles with smaller sizes and various shapes including synthesizing the nanoparticles at lower reaction temperatures. The results of the synthesis at a lower reaction temperature showed minimal control over size and shape of the nanoparticles. The particles were characterized using several spectroscopic techniques.
590 $a School code: 0245.
650 4 $a Chemistry, Inorganic. $3 517253
690 $a 0488
710 2 $a Villanova University. $b Chemistry. $3 1267047
773 0 $t Masters Abstracts International $g 49-02.
790 1 0 $a Ahmadi, Temer S., $e advisor
790 1 0 $a Dudley, Timothy $e committee member
790 1 0 $a Bausch, Joseph $e committee member
790 $a 0245
791 $a M.S.
792 $a 2010
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1483251