Journal
SUPERLATTICES AND MICROSTRUCTURES
Volume 43, Issue 4, Pages 330-339Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.spmi.2008.01.004
Keywords
zinc oxide; nanoparticles particle synthesis; polyol process; shape control
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Funding
- Korea Science and Engineering Foundation (KOSEF)
- Ministry of Science and Technology [ROA-2005-000-10011-0]
- LG Philips LCD
- Second Stage of Brain Korea 21 Project in 2007
- National Research Foundation of Korea [과C6B2608, 2005-01072] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Nanocrystalline zinc oxide (ZnO) particles with controlled shapes and sizes were prepared at 180 'C by a simple polyol method. The amount of water and the method of addition played an important role in determining the characteristics of the synthesized particles. Rod-shaped ZnO particles with major axis lengths of -114 nm were obtained by heating the precursor solution, while equiaxial particles with average diameters of -24 mn were prepared by injecting water into hot precursor solution. Increasing the amount of water added to the precursor solution enlarged the aspect ratio of the rod-shaped particles and increased the particle size of the equiaxial particles due to enhanced hydrolysis and condensation of the Zn ion complex. (c) 2008 Elsevier Ltd. All rights reserved.
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