Structural properties of silver nanorods with fivefold symmetry

The microstructural features of silver nanorods with the average length of 50 μm and diameters of around 100 nm have been investigated by means of SEM, X-ray diffraction, and transmission-electron microscopy (TEM). Silver nanorods in general have a pentagonal shape with a remarkable fivefold symmetr...

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Bibliographic Details
Published in:Micron (Oxford, England : 1993) England : 1993), 2004-01, Vol.35 (6), p.469-474
Main Authors: Chen, Hanyuan, Gao, Yan, Yu, Hongchun, Zhang, Huairou, Liu, Libao, Shi, Youguo, Tian, Huanfang, Xie, Sishen, Li, Jianqi
Format: Article
Language:English
Subjects:
Fivefold symmetry
High resolution electron microscopy
Silver nanorods
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Summary:The microstructural features of silver nanorods with the average length of 50 μm and diameters of around 100 nm have been investigated by means of SEM, X-ray diffraction, and transmission-electron microscopy (TEM). Silver nanorods in general have a pentagonal shape with a remarkable fivefold symmetry as revealed in cross-section observations. The fivefold axis, i.e. the growth direction, normally goes along the [110]-zone axis direction of the basic fcc Ag-structure. The twinning relationships and relevant twin boundaries among the five subunits in the pentagonal nanorod have been examined by high-resolution TEM and selected-area electron diffraction. Defects and stacking faults in this kind of nanorods have been briefly analyzed.
ISSN:0968-4328
1878-4291
DOI:10.1016/j.micron.2004.02.008