High AgNO3 concentration synthesis of silver nanowires by polyol method in presence of NiCl2, MnCl2 or FeCl3

YU Haojie; LI Xiaoxiao; WANG Li

doi:10.3969/j.issn.0438-1157.2013.02.047

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High AgNO₃ concentration synthesis of silver nanowires by polyol method in presence of NiCl₂, MnCl₂ or FeCl₃

更新时间：2025-12-10

- High AgNO₃ concentration synthesis of silver nanowires by polyol method in presence of NiCl₂, MnCl₂ or FeCl₃
- CIESC Journal Issue 2, Pages: 749-755(2013)
- 作者机构：
  
  浙江大学化学工程与生物工程学系,化学工程联合国家重点实验室,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2013.02.047
  CLC： Q131.2
- Online First：05 February 2013，
  
  Published：05 February 2013
- 稿件说明：
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YU Haojie, LI Xiaoxiao, WANG Li. High AgNO₃ concentration synthesis of silver nanowires by polyol method in presence of NiCl₂, MnCl₂ or FeCl₃[J]. CIESC Journal, 2013, (2): 749-755. DOI: 10.3969/j.issn.0438-1157.2013.02.047.
DOI：

YU Haojie, LI Xiaoxiao, WANG Li. High AgNO₃ concentration synthesis of silver nanowires by polyol method in presence of NiCl₂, MnCl₂ or FeCl₃[J]. CIESC Journal, 2013, (2): 749-755. DOI: 10.3969/j.issn.0438-1157.2013.02.047. DOI：

摘要

报道了一种用于高浓度制备银纳米线的改性多元醇法。在NiCl2、MnCl2或FeCl3存在下高浓度地制得了具有均一尺寸和形貌的银纳米线。所得银纳米线的直径约为60～100 nm、长度约30～60 μm。研究了AgNO3溶液浓度、PVP和AgNO3比例和控制剂浓度等对所得银纳米线形貌的影响。研究发现可以通过反应条件的改变来调节所得银纳米线的形貌。本方法的可能机理是由于引入的金属阳离子可以除掉吸附在晶种表面的氧

从而促进银纳米线的生长。

Abstract

A modified polyol method to prepare silver nanowires (AgNWs) is reported.AgNWs with uniform size and morphology were prepared in the presence of NiCl2

MnCl2 or FeCl3 using high concentration silver nitrate solution (up to 0.4 mol·L-1 in reaction solution).The diameters of the synthetic nanowires ranged from 60 to 100 nm and the lengths were about 30 to 60 μm.The influences of concentration of AgNO3 solution

molar ratio of PVP to AgNO3

and concentration of control agents were investigated.It was found that these conditions could be used to tune the morphology of resultant nanowires.The postulated mechanism relied on removal of adsorbed oxygen from crystal seeds surface by introduced metal cations

which facilitated the growth of AgNWs.

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