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[求助]
纳米铜线的制备
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关于合成铜纳米线，你们是采用的试剂有哪些？ 具体点。各自有什么优缺点。 [ Last edited by kunpeng1782 on 2012-11-19 at 11:40 ] |
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ningmenguge
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用杜克大学抄袭的方法，主要是 硝酸铜，氢氧化钠，EDA，hydrazine。 用xia的方法是，氯化铜，HDA,glucose。 还有用CTAB的，杜的方法主要是分散性差，xia的方法也是，分散性也不够理想。 建议你看看Synthesis of Ultralong Copper Nanowires for High-Performance Transparent Electrodes这篇文章 Herein, we report a nonaqueous synthesis of ultralong single-c rys tal li ne Cu nan ow ire s wi th e xce ll en t di s pe rs ib il it y. Ou r synthesis strategy relies on self-catalytic growth of Cu nanowires within a liquid-crystalline medium of HDA and cetyltriamoni-num bromide (CTAB). HDA and CTAB are fi rst mixed at elevated temperature to form a liquid-crystalline medium. Upon addition of the precursor, copper acetylacetonate [Cu(acac) 2 ], ultralong nanowires with excellent dispersibility form sponta-neously within the medium in the presence of a catalytic Pt surface. |
2楼2012-11-19 10:58:47
 ,恩。 |
3楼2012-11-19 15:02:47
ningmenguge
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【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ...
感谢参与，应助指数 +1
陈剑宇: 金币+80, ★★★很有帮助, 很不错 2012-11-19 15:18:03
感谢参与，应助指数 +1
陈剑宇: 金币+80, ★★★很有帮助, 很不错 2012-11-19 15:18:03
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也可以关注这篇Electrochemical synthesis of copper nanowires 新的方法，就是比较繁琐。 The potentiostatic ECD of the copper nanowires was performed in a conventional three-electrode bath containing a mixture of 0.2 M CuSO 4·5H2 O and 0.1 M H 3 BO3aqueoussolutions. The pH of the solution was controlled in the range 4.5–5.0 by adding 0.1 M H 2 SO4solution. A glassy carbon plate and a saturated calomel electrode (SCE) were used as counter-electrode and reference electrode, respectively. The copper ECD was carried out at different applied potentials ( −0 .15, −0 .30, and −0 .45 V, SCE) for 20–30 min at room temperature to prepare the copper nanowires. After the ECD, the upper parts of the samples were polished by using a 50 nm SiC polishing sandpaper in order to remove the copper particles that had grown excessively and stuck on the sample surface. Then the PAA template with copper nanowires was washed with ethanol and de-ionized water in turn, and dried in air before characterization |
4楼2012-11-19 15:08:42
5楼2013-07-15 17:15:07
ningmenguge
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6楼2013-07-16 12:08:26
