Effect of pH on the morphology and optical properties of modified ZnO particles by SDS via a precipitation method

被引：109
作者：
Samaele, N. [1 ,2 ]
Amornpitoksuk, P. [1 ,2 ]
Suwanboon, S. [3 ]
机构：
[1] Prince Songkla Univ, Fac Sci, Dept Chem, Hat Yai 90112, Songkhla, Thailand
[2] Prince Songkla Univ, Fac Sci, Ctr Innovat Chem, Hat Yai 90112, Songkhla, Thailand
[3] Prince Songkla Univ, Fac Sci, Dept Mat Sci & Technol, Hat Yai 90112, Songkhla, Thailand
来源：
POWDER TECHNOLOGY | 2010年 / 203卷 / 02期
关键词：
Zinc oxide; Sodium dodecyl sulfate; Precipitation; ZINC-OXIDE; GROWTH; NANOPARTICLES; TEMPERATURE;
D O I：
10.1016/j.powtec.2010.05.014
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
ZnO particles were synthesized directly from an aqueous solution of zinc acetate dihydrate in the presence of sodium dodecyl sulfate (SDS) and sodium hydroxide at 70 degrees C. The morphological changes were investigated in the range of pH 8-12. The hexagonal prism-like shape was formed at pH 8 and 10 by inhibition of growth along the c direction whereas the small rod-like shape was observed at pH 12. The estimated band gap and the room temperature photoluminescence intensity in a visible region are dependent upon the geometrical shape and size of the ZnO particles. (C) 2010 Elsevier B.V. All rights reserved.
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页码：243 / 247
页数：5
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