Synthesis and Characterization of Nano-/Micro-Crystalline SnO using Microwave and Hydrothermal Techniques

被引：6
作者：
EL-Rafei, A. M. [1 ]
Youssef, H. [1 ]
Ahmed, N. M. [2 ]
机构：
[1] Natl Res Ctr, Refractories Ceram & Bldg Mat Dept, Cairo 12622, Egypt
[2] ERI, Photovolta Dept, Giza, Egypt
来源：
JOURNAL OF CERAMIC SCIENCE AND TECHNOLOGY | 2014年 / 5卷 / 03期
关键词：
Tin oxides; semiconductors; microwaves; nanostructures; chemical synthesis; NANOCRYSTALLINE TIN OXIDE; SENSING PROPERTIES; RAPID SYNTHESIS; FLASH SYNTHESIS; NANOPARTICLES; MICROSTRUCTURE; POWDERS; GROWTH; FILMS;
D O I：
10.4416/JCST2014-00010
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Microwave (M-H) and conventional hydrothermal (C-H) synthesis of nano-/micro-sized SnO are compared. The phase composition and morphology of the products were investigated by means of X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. The XRD results of microwave-heated samples indicated early crystallization of tetragonal romarchite phase after only 1 h at 120 degrees C compared to 4 hat 120 degrees C for the conventional method. The crystallization path under microwave heating showed the presence of abhurite phase with an intermediate composition between tin oxide and the starting precursor. Also, romarchite (SnO) decomposes at 700 degrees C for 1 h in air and transforms into nano-sized cassiterite (SnO2).
引用
收藏
页码：217 / 222
页数：6
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