Dodecylamine-mediated synthesis and growth mechanism of copper nanowires with an aspect ratio of over 10000

被引：12

作者：

Li, Yao ^{[1
]}

Fan, Zhengyang ^{[1
]}

Yuan, Ximin ^{[1
]}

Yang, Hongwei ^{[1
]}

Li, Yuxiu ^{[1
]}

Wang, Chuan ^{[1
]}

机构：

[1] Kunming Inst Precious Met, State Key Lab Adv Technol Comprehens Utilizat Pla, Kunming 650106, Yunnan, Peoples R China

来源：

MATERIALS LETTERS | 2020年 / 274卷

基金：

中国国家自然科学基金;

关键词：

Copper nanowires; Dodecylamine; Aspect ratio; Crystal growth; Microstructure; HIGH-PERFORMANCE; TRANSPARENT; FILMS;

D O I：

10.1016/j.matlet.2020.128029

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, copper nanowires (CuNWs) with the diameter down to 18 nm and the length as high as 200 mu m have been synthesized via a hydrothermal process. Dark-field optical microscopy (DFOM) and UV-visible spectroscopy (UV-vis) results suggested that dodecylamine was not only favorable to the slow reduction of a complex of copper ions and dodecylamine for the generation of twinned seeds, but also beneficial for selectively adsorption on {100} and {200} facets of the newly generated copper seeds, allowing them to grow into nanowires with ultrahigh aspect ratio.

引用

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