Synthesis and characterization of tin oxide nanoparticles dispersed in monolithic mesoporous silica

被引:42
作者
Feng, YS [1 ]
Zhou, SM [1 ]
Li, Y [1 ]
Li, CC [1 ]
Zhang, LD [1 ]
机构
[1] Acad Sinica, Inst Solid State Phys, Hefei 230031, Peoples R China
基金
中国国家自然科学基金;
关键词
mesoporous silica; tin oxide; nanoparticles and nanochains;
D O I
10.1016/S1293-2558(03)00080-3
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Tin oxide nanocrystalline uniformly dispersed in mesoporous silica has been prepared by decomposing coordinated complex of Sn4+ with acetyl acetone. Structural analysis indicates that the Sn4+ coordinated complex decomposes and tin oxide nanocrystalline begins to form at about 300 degreesC and completes at about 600 degreesC. With the increase of the annealing temperature from 300 degreesC to 600 degreesC, tin oxide nanocrystalline in mesoporous silica slightly grows. Tin oxide nanoparticles or nanochains may be obtained depending on the concentration of precursor solution. The obtained nanocomposite remains large specific surface area. (C) 2003 Editions scientifiques et medicales Elsevier SAS. All rights reserved.
引用
收藏
页码:729 / 733
页数:5
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