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Structural properties of silver nanorods with fivefold symmetry

  • Hanyuan Chen
  • , Yan Gao
  • , Hongchun Yu
  • , Huairou Zhang
  • , Libao Liu
  • , Youguo Shi
  • , Huanfang Tian
  • , Sishen Xie
  • , Jianqi Li*
  • *Corresponding author for this work
  • CAS - Institute of Physics

Research output: Contribution to journalArticlepeer-review

Abstract

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.

Original languageEnglish
Pages (from-to)469-474
Number of pages6
JournalMicron
Volume35
Issue number6
DOIs
StatePublished - Aug 2004
Externally publishedYes

Keywords

  • Fivefold symmetry
  • High resolution electron microscopy
  • Silver nanorods

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