Transmission-electron-microscopy study on fivefold twinned silver nanorods

被引：124
|
作者：
Chen, HY [1 ]
Gao, Y [1 ]
Zhang, HR [1 ]
Liu, LB [1 ]
Yu, HC [1 ]
Tian, HF [1 ]
Xie, SS [1 ]
Li, JQ [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing Lab Electron Microscopy, Beijing 100080, Peoples R China
来源：
JOURNAL OF PHYSICAL CHEMISTRY B | 2004年 / 108卷 / 32期
关键词：
D O I：
10.1021/jp048023d
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：
Structural features of pentagonal Ag nanorods have been investigated by means of transmission electron microscopy (TEM). Cross-section observations directly reveal the remarkable fivefold twinning structure and related defects in this kind of nanomaterial. High-resolution TEM observations in combination with fast-Fourier processing indicate that the well-defined twinning relationship appears on at least two of the five twinning boundaries. Electron-energy-loss spectroscopy analysis on the center regions of the nanorods demonstrates that the Ag-M-4,M-5 peaks shift to lower energy in comparison with results from the Ag crystal.
引用
收藏
页码：12038 / 12043
页数：6
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