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Synthesis and characterizations of n...

Dahal, Naween.

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Synthesis and characterizations of novel magnetic and plasmonic nanoparticles.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Synthesis and characterizations of novel magnetic and plasmonic nanoparticles./
作者:	Dahal, Naween.
面頁冊數:	175 p.
附註:	Source: Dissertation Abstracts International, Volume: 71-10, Section: B, page: 6087.
Contained By:	Dissertation Abstracts International71-10B.
標題:	Chemistry, General. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3419565
ISBN:	9781124196138

Synthesis and characterizations of novel magnetic and plasmonic nanoparticles.
Dahal, Naween.

Synthesis and characterizations of novel magnetic and plasmonic nanoparticles. - 175 p.

Source: Dissertation Abstracts International, Volume: 71-10, Section: B, page: 6087.

Thesis (Ph.D.)--Kansas State University, 2010.

This dissertation reports the colloidal synthesis of iron silicide, hafnium oxide core-gold shell and water soluble iron-gold alloy for the first time. As the first part of the experimentation, plasmonic and superparamagnetic nanoparticles of gold and iron are synthesized in the form of core-shell and alloy. The purpose of making these nanoparticles is that the core-shell and alloy nanoparticles exhibit enhanced properties and new functionality due to close proximity of two functionally different components. The synthesis of core-shell and alloy nanoparticles is of special interest for possible application towards magnetic hyperthermia, catalysis and drug delivery. The iron-gold core-shell nanoparticles prepared in the reverse micelles reflux in high boiling point solvent (diphenyl ether) in presence of oleic acid and oleyl amine results in the formation of monodisperse core-shell nanoparticles.

ISBN: 9781124196138Subjects--Topical Terms:

1021807
Chemistry, General.

Synthesis and characterizations of novel magnetic and plasmonic nanoparticles.
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245 1 0 $a Synthesis and characterizations of novel magnetic and plasmonic nanoparticles.
300 $a 175 p.
500 $a Source: Dissertation Abstracts International, Volume: 71-10, Section: B, page: 6087.
500 $a Adviser: Viktor Chikan.
502 $a Thesis (Ph.D.)--Kansas State University, 2010.
520 $a This dissertation reports the colloidal synthesis of iron silicide, hafnium oxide core-gold shell and water soluble iron-gold alloy for the first time. As the first part of the experimentation, plasmonic and superparamagnetic nanoparticles of gold and iron are synthesized in the form of core-shell and alloy. The purpose of making these nanoparticles is that the core-shell and alloy nanoparticles exhibit enhanced properties and new functionality due to close proximity of two functionally different components. The synthesis of core-shell and alloy nanoparticles is of special interest for possible application towards magnetic hyperthermia, catalysis and drug delivery. The iron-gold core-shell nanoparticles prepared in the reverse micelles reflux in high boiling point solvent (diphenyl ether) in presence of oleic acid and oleyl amine results in the formation of monodisperse core-shell nanoparticles.
520 $a The second part of the experimentation includes the preparation of water soluble iron-gold alloy nanoparticles. The alloy nanoparticles are prepared for the first time at relatively low temperature (110 °C). The use of hydrophilic ligand 3-mercapto-1-propane sulphonic acid ensures the aqueous solubility of the alloy nanoparticles. Next, hafnium oxide core-gold shell nanoparticles are prepared for the first time using high temperature reduction method. These nanoparticles are potentially important as a high kappa material in semiconductor industry.
520 $a Fourth, a new type of material called iron silicide is prepared in solution phase. The material has been prepared before but not in a colloidal solution. The Fe3Si obtained is superparamagnetic. Another phase beta-FeSi 2 is a low band gap (0.85 eV) semiconductor and is sustainable and environmentally friendly.
520 $a At last, the iron monosilicide (FeSi) and beta-FeSi2 are also prepared by heating iron-gold core-shell and alloy nanoparticles on silicon (111) substrate. The nucleation of gaseous silicon precursor on the melted nanoparticles results the formation of nanodomains of FeSi and beta-FeSi 2. A practical application of these nanoparticles is an important next step of this research. Further improvement in the synthesis of beta-FeSi 2 nanoparticles by colloidal synthetic approach and its application in solar cell is a future goal.
590 $a School code: 0100.
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650 4 $a Chemistry, Inorganic. $3 517253
650 4 $a Nanotechnology. $3 526235
650 4 $a Engineering, Materials Science. $3 1017759
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690 $a 0488
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710 2 $a Kansas State University. $b Department of Chemistry. $3 1669221
773 0 $t Dissertation Abstracts International $g 71-10B.
790 1 0 $a Chikan, Viktor, $e advisor
790 1 0 $a Sorensen, Christopher M. $e committee member
790 1 0 $a Bossmann, Stefan $e committee member
790 1 0 $a Smith, Paul $e committee member
790 1 0 $a Hosni, Mohammad $e committee member
790 $a 0100
791 $a Ph.D.
792 $a 2010
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