银纳米线的可控合成及其应用
Controllable Synthesis of Silver Nanowires and Its Applications
DOI: 10.12677/JAPC.2023.124024, PDF,   
作者: 叶雄峰：南通大学化学化工学院，江苏 南通；中国科学技术大学纳米科学技术学院，江苏 苏州；刘 媛, 李 晗, 杨 虎, 袁小磊, 朱 鹏*：南通大学化学化工学院，江苏 南通
关键词: 硅异质结太阳能电池；低温固化银浆；银纳米线；Silicon Heterojunction Solar Cells； Low-Temperature Solidified Silver Paste； Silver Nanowires
摘要: 硅异质结(HIT)太阳能电池有着优异的光电转化效率和巨大的发展前景，然而其所用的低温固化浆料相比高温烧结浆料导电性较差。本文通过多元醇法制备银纳米线，探究了硝酸银(AgNO3)、三氯化铁(FeCl3)、聚乙烯吡咯烷酮(PVP)对银纳米线形貌的影响。我们成功地制备得到长度为8 μm，直径为100 nm，且适用于丝网印刷的银纳米线，并将其应用于低温固化银浆。结果表明在0.07 M硝酸银、0.108 M PVP和600 mM FeCl3的条件下，得到的银纳米线产率和形貌最佳。在添加适量的银纳米线的情况下，低温固化电极的线电阻明显降低。添加0.24 wt%的银纳米线，得到的栅线线电阻最低，为1.43 Ω/cm。
Abstract: Silicon heterojunction (HIT) solar cells have excellent photoelectric conversion efficiency and huge development prospects, while the low-temperature curing slurry has poor conductivity compared to high-temperature sintering slurry. In this paper, silver nanowires were prepared by polyol method, and the effects of AgNO3, ferric chloride (FeCl3), and Polyvinylpyrrolidone (PVP) on the morphology of silver nanowires were systematically investigated. We have successfully obtained a length of 8 μm silver nanowires with a diameter of 100 nm, which is suitable for screen printing and low-temperature curing silver paste. The results show that the yield and morphology of silver nanowires are the best by using 0.07 M AgNO3, 0.108 M PVP and 600 mM FeCl3. When an appropriate amount of silver nanowires is added, the line resistance of low-temperature cured electrode is significantly reduced. Importantly, 0.24 wt% silver nanowires could result in the lowest gate line resistance of 1.43 Ω/cm.
文章引用：叶雄峰, 刘媛, 李晗, 杨虎, 袁小磊, 朱鹏. 银纳米线的可控合成及其应用[J]. 物理化学进展, 2023, 12(4): 231-238. https://doi.org/10.12677/JAPC.2023.124024

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