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viviensweety

铁虫 (小有名气)

[求助] 哪有卖纳米级别的铜丝,或者自己合成~

求助,有哪位大侠知道在哪能买到纳米级别的铜丝,大约直径500~250nm的。如果没有地方买,那么怎么合成?合成的方法越详细越好,最好是自己做过的,注意的地方请说明~谢谢啦~
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yanbo1986

铁杆木虫 (正式写手)

【答案】应助回帖

感谢参与,应助指数 +1
这个买的话不太好买吧,合成的话可以考虑用模板来合成铜的纳米线,直径可以根据模板来调节。
2楼2012-05-28 10:56:01
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sanmiwyq

金虫 (小有名气)

【答案】应助回帖

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感谢参与,应助指数 +1
viviensweety: 金币+10, ★★★很有帮助 2012-05-29 12:38:15
We synthesized CuNWs by reducing Cu(NO 3 ) 2 with hydrazine
in an aqueous solution containing NaOH and ethylenediamine
(EDA), following the approach developed by Zeng and
coworkers. [ 13 ] Compared to this previous work, we have scaled
up the reaction by 200 times (from 0.006 to 1.2 g of CuNWs)
to demonstrate its potential for large-scale production. For the
scale up reaction ( Figure 1 ) NaOH (2000 mL, 15M), Cu(NO 3 ) 2
(100 mL, 0.2M), EDA (30 mL), and hydrazine (2.5 mL, 35 wt%)
were added to a reaction fl ask and heated at 80 ° C for 60 minutes.
The solution went from a royal blue (Figure 1 a), indicative
of Cu 2 + ions, to a reddish brown color indicative of CuNW
formation (Figure 1 b) after 20 minutes. After the reaction, the
CuNWs were washed with a 3 wt% aqueous solution of hydrazine,
and stored in the same hydrazine solution at room temperature
under an argon atmosphere to minimize oxidation. [ 13 ]

参考文献The Growth Mechanism of Copper Nanowires and Their
Properties in Flexible, Transparent Conducting Films (Adv. Mater. 2010, 22, 3558–3563)
3楼2012-05-28 11:15:57
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viviensweety

铁虫 (小有名气)

引用回帖:
2楼: Originally posted by yanbo1986 at 2012-05-28 10:56:01
这个买的话不太好买吧,合成的话可以考虑用模板来合成铜的纳米线,直径可以根据模板来调节。

什么模板?我是做物理的,对电化学知道的少呢,查文献和实际做总是有差距。要不给我推荐一篇比较详细相关的文献也成,谢谢~
4楼2012-05-28 13:35:58
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yanbo1986

铁杆木虫 (正式写手)

【答案】应助回帖

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viviensweety: 金币+10, ★★★很有帮助 2012-05-29 12:38:27
引用回帖:
4楼: Originally posted by viviensweety at 2012-05-28 13:35:58
什么模板?我是做物理的,对电化学知道的少呢,查文献和实际做总是有差距。要不给我推荐一篇比较详细相关的文献也成,谢谢~...

三氧化二铝的模板,可以去网上找找,有很多做纳米线的文章。
5楼2012-05-28 13:50:47
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ningmenguge

至尊木虫 (著名写手)

【答案】应助回帖

引用回帖:
3楼: Originally posted by sanmiwyq at 2012-05-28 11:15:57
We synthesized CuNWs by reducing Cu(NO 3 ) 2 with hydrazine
in an aqueous solution containing NaOH and ethylenediamine
(EDA), following the approach developed by Zeng and
coworkers.  Compared to t ...

这个方法你确定能做出来吗?
6楼2012-11-26 18:01:54
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