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http://dx.doi.org/10.3740/MRSK.2005.15.10.678

A Study on the Growth Pattern of ZnO Particles in Chemical Solutions  

Kim Hak-Soo (Department of Materials Science and Engineering, Korea University)
Kim Donghwan (Department of Materials Science and Engineering, Korea University)
Publication Information
Korean Journal of Materials Research / v.15, no.10, 2005 , pp. 678-682 More about this Journal
Abstract
We studied the possibility of $Zn_4O(Ac)_2(OH)$ formation as a precursor for ZnO nano particles in sol-gel method. Four different additives such as tetra methyl ammonium hydroxide, mono ethanol amine (MEA), LiOH, and $H_2O$ were used for zinc acetate dissolved in 2-methoxy ethanol. ZnO particles of 5-6 nm in size were observed. Existence of $Zn_4O(Ac)_6$ was not verified. $Zn_4O(Ac)_2(OH)$ molecules were observed and they were believed to be the precursors of ZnO. A peak at 275nm in UV-Vis analysis was observed In the case of MEA and $H_2O$ but no ZnO particles were detected in transmission electron microscopy.
Keywords
ZnO nano particles; Zinc acetate;
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