High-yield sol-gel synthesis of well-dispersed, colorless ZrO(2) nanocrystals

A 93% high-yield synthesis of well-dispersed, colorless zirconium dioxide (ZrO(2)) nanocrystals is reported. In this synthesis, hydrolysis and condensation reactions of zirconium(IV) tert-butoxide in the presence of oleic acid (100 degrees C) formed ZrO(2) precursors. The ZrO(2) precursors were made...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 22(2006), 17 vom: 15. Aug., Seite 7137-40
1. Verfasser: Mizuno, Mikihisa (VerfasserIn)
Weitere Verfasser: Sasaki, Yuichi, Lee, Sungkil, Katakura, Hitoshi
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a A 93% high-yield synthesis of well-dispersed, colorless zirconium dioxide (ZrO(2)) nanocrystals is reported. In this synthesis, hydrolysis and condensation reactions of zirconium(IV) tert-butoxide in the presence of oleic acid (100 degrees C) formed ZrO(2) precursors. The ZrO(2) precursors were made of -Zr-O-Zr- networks surrounded by oleic acid molecules. Annealing (280 degrees C) the precursors dispersed in dioctyl ether caused crystallization of the -Zr-O-Zr- networks, thereby generating 4 nm ZrO(2) nanocrystals stabilized with oleic acid. The particles were highly crystalline and tetragonal phase. A dense ZrO(2) nanocrystal dispersion in toluene (280 mg/mL) showed a transmittance of about 90% (3 mm optical path length) in the whole visible region 
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700 1 |a Sasaki, Yuichi  |e verfasserin  |4 aut 
700 1 |a Lee, Sungkil  |e verfasserin  |4 aut 
700 1 |a Katakura, Hitoshi  |e verfasserin  |4 aut 
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