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Synthesis of Disk-Like and Flower-Like ZnO Nanostructures by Sodium Dodecyl Sulfate-Assisted non-Basic Solution Process

Published/Copyright: April 11, 2013
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Abstract

Disk-like and flower-like ZnO nanostructures were prepared in alcoholic solutions with SDS-free and various sodium dodecyl sulfate (SDS) concentrations by a non-basic solution method. In all cases, the obtained crystals exhibited the crystal structure of wurtzite ZnO and photoluminescence at UV and green regions. The ZnO grown in the SDS solution have a morphology of aggregated disk-like and flower-like structures. The origin of morphology different of the ZnO crystals is explained by a chemical interaction between surface of ZnO seed crystal and SDS micelles.

Kurzfassung

Scheiben- und blumenförmige ZnO-Nanostrukturen wurden hergestellt in SDS-freien und in alkoholischen Lösungen mit verschiedenen SDS-Konzentrationen in einem nicht-basischen Lösungsverfahren. In allen Fällen zeigten die erhaltenen Kristalle die Wurzitstruktur des ZnO mit einer Photolumineszenz im UV- und im grünen Bereich. Die ZnO-Kristalle, die in den SDS-Lösungen gewachsen sind, hatten die Morphologie aggregierter scheiben- und blumenförmiger Strukturen. Die Ursache für die vom ZnO-Kristall unterschiedliche Morphologie kann mit der Wechselwirkung zwischen der Oberfläche der ZnO-Keime und den SDS-Mizellen erklärt werden.


Prof. Jamil K. Salem, Chemistry department, Faculty of Science, Al-Azhar University, P.O. Box 1277, Gaza, Palestine, Tel.: +97282473585, Fax: +9728283180. E-Mail:

Dr. Jamil K. Salem, born in 1960, studied at Middle East Technical University, where he obtained his B.Sc. in Chemistry in 1984 and his M.Sc. in Physical Chemistry in 1986. In 1999 he obtained his PhD in Physical Chemistry from Aligarh University, India. Since then he has been Assoc. Prof. in Chemistry Department at Al-Azhar University-Gaza.


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Received: 2010-11-30
Published Online: 2013-04-11
Published in Print: 2011-05-01

© 2011, Carl Hanser Publisher, Munich

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