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viviensweety鐵蟲 (小有名氣)
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[求助]
哪有賣納米級別的銅絲,或者自己合成~
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| 求助,有哪位大俠知道在哪能買到納米級別的銅絲,大約直徑500~250nm的。如果沒有地方買,那么怎么合成?合成的方法越詳細越好,最好是自己做過的,注意的地方請說明~謝謝啦~ |
鐵桿木蟲 (正式寫手)
鐵桿木蟲 (正式寫手)
金蟲 (小有名氣)
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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 ] 參考文獻The Growth Mechanism of Copper Nanowires and Their Properties in Flexible, Transparent Conducting Films (Adv. Mater. 2010, 22, 3558–3563) |
鐵蟲 (小有名氣)
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