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Gold nanoparticle - modified zinc ox...

Udawatte, Nayane.

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Gold nanoparticle - modified zinc oxide nanoparticles as novel photocatalytic materials.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Gold nanoparticle - modified zinc oxide nanoparticles as novel photocatalytic materials./
Author:	Udawatte, Nayane.
Description:	191 p.
Notes:	Source: Dissertation Abstracts International, Volume: 71-10, Section: B, page: 6093.
Contained By:	Dissertation Abstracts International71-10B.
Subject:	Chemistry, Analytical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3424513
ISBN:	9781124234748

Gold nanoparticle - modified zinc oxide nanoparticles as novel photocatalytic materials.
Udawatte, Nayane.

Gold nanoparticle - modified zinc oxide nanoparticles as novel photocatalytic materials. - 191 p.

Source: Dissertation Abstracts International, Volume: 71-10, Section: B, page: 6093.

Thesis (Ph.D.)--Western Michigan University, 2010.

The current study entails the construction of a novel nano-composite catalyst based on ZnO and Au nanoparticles and demonstrates its distinctive photocatalytic characteristics. Monodisperse gold nanoparticles (GNPs) passivated with monolayers of tiopronin or glutathione were synthesized via facile methods, and they were assembled on ZnO nanoparticles to form the nano-catalyst.

ISBN: 9781124234748Subjects--Topical Terms:

586156
Chemistry, Analytical.

Gold nanoparticle - modified zinc oxide nanoparticles as novel photocatalytic materials.
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020 $a 9781124234748
035 $a (UMI)AAI3424513
035 $a AAI3424513
040 $a UMI $c UMI
100 1 $a Udawatte, Nayane. $3 1675072
245 1 0 $a Gold nanoparticle - modified zinc oxide nanoparticles as novel photocatalytic materials.
300 $a 191 p.
500 $a Source: Dissertation Abstracts International, Volume: 71-10, Section: B, page: 6093.
500 $a Adviser: Ekkehard Sinn.
502 $a Thesis (Ph.D.)--Western Michigan University, 2010.
520 $a The current study entails the construction of a novel nano-composite catalyst based on ZnO and Au nanoparticles and demonstrates its distinctive photocatalytic characteristics. Monodisperse gold nanoparticles (GNPs) passivated with monolayers of tiopronin or glutathione were synthesized via facile methods, and they were assembled on ZnO nanoparticles to form the nano-catalyst.
520 $a Steady state and time resolved photoluminescent studies on the nano-composite revealed interesting charge transfer characteristics within the nano-composite. Enhanced photooxidation of rhodamine 6G was observed for the nano-composite over bare ZnO, and modulation of photoactivity with the extent of GNP loading was illustrated. Photoreduction of thionine over the nano-composite was found to have similar characteristics.
520 $a Significance of band edge energies of the semiconductor and the ability of GNPs to modulate them, consequently affecting the photocatalytic properties of nano-composite is discussed. Calcination, applied as a post-synthesis treatment method was found to be detrimental for the photocatalytic activity of nano-composites. Preliminary experiments suggested the potential of these nano-composites to be used as effective photocatalysts in treating environmentally significant pollutants such as pesticides.
590 $a School code: 0257.
650 4 $a Chemistry, Analytical. $3 586156
650 4 $a Chemistry, Inorganic. $3 517253
650 4 $a Nanoscience. $3 587832
650 4 $a Engineering, Materials Science. $3 1017759
690 $a 0486
690 $a 0488
690 $a 0565
690 $a 0794
710 2 $a Western Michigan University. $3 804473
773 0 $t Dissertation Abstracts International $g 71-10B.
790 1 0 $a Sinn, Ekkehard, $e advisor
790 $a 0257
791 $a Ph.D.
792 $a 2010
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3424513