奈米銀線合成田口分析研究

本文以多元醇法製備奈米銀線，並且應用田口式品質工程設計奈米銀線合成實驗參數。利用掃描式電子顯微鏡(SEM)觀察實驗結果的奈米銀線結構型態。田口方法設計的L18直交表共需要8個因子，其中包含2水準的因子1個與3水準的因子7個，2水準的因子設定為合成反應的溶液總體積而3水準因子分別設為硝酸銀溶液濃度、氯化鉀溶液濃度、聚乙烯吡咯烷酮溶液濃度、反應溫度、反應攪拌速率、硝酸銀溶液的添加速率和聚乙烯吡咯烷酮分子量。合成過程中以相對低溫、低攪拌速度、低氯化鉀濃度、使用分子量36000MW的聚乙烯吡咯烷酮與硝酸銀莫爾比例3:1，在此條件下的奈米銀線結構有較佳的長徑比，其中線的線徑介於90-110nm以及線長介於22-38μm。

關鍵字

多元醇法；田口法；聚乙烯吡咯烷酮

並列摘要

In this study, a series of silver nanowires was prepared by polyol reduction. The morphology of the silver nanowire was observed by using SEM. At the same time, the effects of reaction conditions on morphology of silver nanowire were was optimized from polyol reduction. L18 orthogonal array with eight factors was designed in the Taguchi Methods. These factors were reaction temperature, concentrations of polyvinylpyrrolidone (PVP), chlorine ions, and silver nitrate, salts of metal chloride, stirring rate and addition of silver nitrate, and molecular weight of PVP. In which one of the factors had 2 levels and the others had 3 levels. As the experimental results show that the optimum of aspect ratio the silver nanowires was obtained in the condition of low reaction temperature, stirring rate, concentration of potassium chloride, and mole ratio of PVP ( MW=36000) to silver nitrate in 3/1. In which the length and diameter of silver nanowire were in the range of 22 - 38 μm and 90 – 110 nm respectively.

並列關鍵字

polyol reduction ； polyol reduction ； polyvinylpyrrolidone

參考文獻

[28]　D. Zhang, L. Qi, J. Ma, H. Cheng, Chem. Mater., 13 (2001) 2753.

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奈米銀線合成田口分析研究

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