Selective oxidation synthesis of MnCr2O4 spinel nanowires from Commercial stainless steel foil

Chen, Yongjun, Liu, Zongwen, Ringer, Simon P., Tong, Zhangfa, Cui, Xuemin and Chen, Ying 2007, Selective oxidation synthesis of MnCr2O4 spinel nanowires from Commercial stainless steel foil, Crystal growth & design, vol. 7, no. 11, pp. 2279-2281.


Title Selective oxidation synthesis of MnCr2O4 spinel nanowires from Commercial stainless steel foil
Formatted title Selective oxidation synthesis of MnCr2O4 spinel nanowires from Commercial stainless steel foil
Author(s) Chen, Yongjun
Liu, Zongwen
Ringer, Simon P.
Tong, Zhangfa
Cui, Xuemin
Chen, Ying
Journal name Crystal growth & design
Volume number 7
Issue number 11
Start page 2279
End page 2281
Publisher American Chemical Society
Place of publication Washington, DC
Publication date 2007
ISSN 1528-7483
1528-7505
Summary For the first time, MnCr2O4 spinel single-crystalline nanowires were simply synthesized by heating commercial stainless steel foil (Cr0.19Fe0.70Ni0.11) under a reducing atmosphere. The nanowires have an average diameter of 50 nm and a length of about 10 μm. Some nanowires are sheathed with a thin layer of amorphous silicon oxide. Photoluminescence measurements revealed that the nanowires exhibit an emission band at 435 nm, which resulted from the oxygen-related defects in the silicon oxide sheath. It was found that the reducing atmosphere plays a key role for the nanowire growth. In the reducing atmosphere, the Mn and Cr elements in the stainless steel could be selectively oxidized because of their higher affinity for oxygen than the Fe and Ni elements. The Fe and Ni elements in the stainless steel, however, acted as the catalyst for the vapor–liquid–solid (VLS) growth of the MnCr2O4 nanowires.
Language eng
Field of Research 100706 Nanofabrication, Growth and Self Assembly
HERDC Research category C3.1 Non-refereed articles in a professional journal
Copyright notice ©2007, American Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30016504

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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