Aqueous combustion synthesis and characterization of ZnO powders

被引：18
|
作者：
Ianos, Robert [1 ]
Lazau, Ioan [1 ]
Pacurariu, Cornelia [1 ]
Sfirloaga, Paula [2 ]
机构：
[1] Politehn Univ Timisoara, Fac Ind Chem & Environm Engn, Timisoara 300006, Romania
[2] Natl Res Inst Electrochem & Condensed Matter, Timisoara 300224, Romania
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2011年 / 129卷 / 03期
关键词：
Chemical synthesis; Optical properties; Ceramics; Powder diffraction; SPRAY-PYROLYSIS; ZINC-OXIDE; NANOSTRUCTURES; SENSOR;
D O I：
10.1016/j.matchemphys.2011.05.038
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
New organic fuels (beta-alanine, valine, zinc acetate and acrylamide) have been successfully tested for the preparation of nanocrystalline ZnO powders via aqueous combustion synthesis. In all cases, ZnO resulted directly from the combustion process and no subsequent annealing was required. Properties of the as-prepared ZnO powders were investigated and it was found that morphology, specific surface area, crystallite size and cumulative volume of pores are determined by the used fuel. A correlation has been found between the total volume of generated gases, adiabatic temperature, the amount of ZnO and the characteristics of the resulting powders. Largest surface area (42.0 m(2) g(-1)) and smallest ZnO crystallite size (21 nm) were obtained for acrylamide. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：881 / 886
页数：6
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