Wang Yaxiong, Liu Ping, Zeng Baoqing, Liu Liming, Yang Jianjun
School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu, 610054, China.
College of Electron and Information Engineering, University of Electronic Science and Technology of China Zhongshan Institute, Zhongshan, 528402, China.
Nanoscale Res Lett. 2018 Mar 7;13(1):78. doi: 10.1186/s11671-018-2486-5.
A hydrothermal method for synthesizing ultralong and thin copper nanowires (CuNWs) with average diameter of 35 nm and average length of 100 μm is demonstrated in this paper. The concerning raw materials include copric (II) chloride dihydrate (CuCl·2HO), octadecylamine (ODA), and ascorbic acid, which are all very cheap and nontoxic. The effect of different reaction time and different molar ratios to the reaction products were researched. The CuNWs prepared by the hydrothermal method were applied to fabricate CuNW transparent conductive electrode (TCE), which exhibited excellent conductivity-transmittance performance with low sheet resistance of 26.23 [Formula: see text] and high transparency at 550 nm of 89.06% (excluding Polyethylene terephthalate (PET) substrate). The electrode fabrication process was carried out at room temperature, and there was no need for post-treatment. In order to decrease roughness and protect CuNW TCEs against being oxidized, we fabricated CuNW/poly(methyl methacrylate) (PMMA) hybrid TCEs (HTCEs) using PMMA solution. The CuNW/PMMA HTCEs exhibited low surface roughness and chemical stability as compared with CuNW TCEs.
本文展示了一种水热法合成平均直径为35 nm、平均长度为100 μm的超长细铜纳米线（CuNWs）。相关原材料包括二水合氯化铜（CuCl₂·2H₂O）、十八胺（ODA）和抗坏血酸，这些都非常便宜且无毒。研究了不同反应时间和不同摩尔比对反应产物的影响。通过水热法制备的CuNWs被应用于制造CuNW透明导电电极（TCE），该电极表现出优异的导电率-透光率性能，低方阻为26.23 [公式：见原文]，在550 nm处的高透明度为89.06%（不包括聚对苯二甲酸乙二醇酯（PET）基板）。电极制造过程在室温下进行，无需后处理。为了降低粗糙度并保护CuNW TCEs不被氧化，我们使用聚甲基丙烯酸甲酯（PMMA）溶液制造了CuNW/聚甲基丙烯酸甲酯（PMMA）混合TCEs（HTCEs）。与CuNW TCEs相比，CuNW/PMMA HTCEs表现出低表面粗糙度和化学稳定性。
