多元醇
稳定器(航空)
纳米线
成核
制作
材料科学
化学工程
纳米技术
蚀刻(微加工)
分子
电极
纳米颗粒
化学
聚氨酯
有机化学
图层(电子)
复合材料
病理
物理化学
工程类
机械工程
替代医学
医学
作者
Hwansu Sim,Shingyu Bok,Bongsung Kim,Minha Kim,Guh‐Hwan Lim,Sung Min Cho,Byungkwon Lim
标识
DOI:10.1002/anie.201604980
摘要
Abstract The polyol reduction of a Ag precursor in the presence of an organic stabilizer, such as poly(vinylpyrrolidone), is a widely used method for the production of Ag nanowires (NWs). However, organic capping molecules introduce insulating layers around each NW. Herein we demonstrate that Ag NWs can be produced in high yield without any organic stabilizers simply by introducing trace amounts of NaCl and Fe(NO 3 ) 3 during low‐temperature polyol synthesis. The heterogeneous nucleation and growth of Ag NWs on initially formed AgCl particles, combined with oxidative etching of unwanted Ag nanoparticles, resulted in the selective formation of long NWs with an average length of about 40 μm in the absence of a capping or stabilizing effect provided by surface‐adsorbing molecules. These organic‐stabilizer‐free Ag NWs were directly used for the fabrication of high‐performance transparent or stretchable electrodes without a complicated process for the removal of capping molecules from the NW surface.
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