Effect of Fe3O4 on morphology of Fe-SnO2 hyperbranched heterostructures

被引：8
|
作者：
Sathe, Bhaskar R. [1 ]
Walke, Pravin S. [1 ]
Mulla, Imtiaz S. [1 ]
Pillai, Vijayamohanan K. [1 ]
机构：
[1] Natl Chem Lab, Phys & Mat Chem Div, Pune 411008, Maharashtra, India
来源：
CHEMICAL PHYSICS LETTERS | 2010年 / 493卷 / 1-3期
关键词：
STRUCTURAL-CHARACTERIZATION; GROWTH;
D O I：
10.1016/j.cplett.2010.05.019
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A simple modified thermal evaporation technique is employed for the synthesis of microstructured Fe:SnO2 system and their plausible growth mechanism has been proposed based on the results from various characterization techniques. Such structures grow in two steps; initially, growth of Fe core takes place from Fe3O4 source which acts as nucleating site for SnO2 growth on its surface as per the vapor-liquid- solid progression. Moreover, the composition of Fe/Sn source and temperature are found to have key roles in governing their morphology. XPS studies clearly demonstrate the presence of Fe species, which acts as a catalyst along with source for hetero-structure growth with SnO2. (C) 2010 Published by Elsevier B.V.
引用
收藏
页码：121 / 125
页数：5
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