Obtaining ultra-long copper nanowires via a hydrothermal process
Obtaining ultra-long copper nanowires via a hydrothermal process
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DOI：
10.1016/j.stam.2005.06.008
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发表时间：
2005-10-01
影响因子：
5.5
通讯作者：
Huang, XJ
中科院分区：
文献类型：
--
作者：
Shi, Y;Li, H;Huang, XJ
在120-180 ℃水热处理氯化铜（11）和ODA的复合乳液，得到了直径在30-100 nm，长度可达数mm（纵横比> 10（5）），结晶度可调的超长均匀铜纳米线。XRD图谱和EDX谱图均表明产物为纯铜，没有任何可观察到的杂质。通过场发射扫描电子显微镜（FESEM）观察到，ODA浓度和反应温度对所合成的铜纳米线的直径和长径比有影响。HRTEM和SAED结果表明，铜纳米线的结晶度强烈依赖于合成温度。分别在120 ℃和180 ℃下获得多晶和单晶铜纳米线。(c)2005爱思唯尔有限公司保留所有权利。
Ultra-long and uniform copper nanowires with controllable diameters of 30-100 nm, length up to several millimeters (aspect ratio > 10(5)) and tunable crystallinity were obtained by hydrothermal processing the complex emulsion of copper (11) chloride and ODA at 120-180 degrees C. Both XRD pattern and EDX spectrum indicated that the products were pure copper without any observable impurities. It is observed by FESEM that the diameters and aspect ratios of the synthesized copper nanowires were influenced by the concentration of ODA and reaction temperature. HRTEM images and SAED patterns revealed that the crystallinity of copper nanowires were strongly dependent on the synthesis temperatures. Poly- and single-crystal copper nanowires were obtained at 120 degrees C and 180 degrees C, respectively. (c) 2005 Elsevier Ltd. All rights reserved.