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電沉積石墨烯
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| 我用石高全課題組在scientific reports中的方法,在GO的水溶液中加入高氯酸鋰,通過電化學方法在制備石墨烯,但是我的GO的濃度在0.5mg/ml時,加入0.05M的高氯酸鋰是,溶液就開始團聚了,有人也是做電沉積的吧,求解釋,感激不盡 |
» 搶金幣啦!回帖就可以得到:
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Graphene oxide (GO) was synthesized by the modification of Hummers’s method and described elsewhere.28,35 Graphene oxide (100 mg) was placed in a Petri dish set in a vacuum desiccator, where a piece of filter paper saturated with the chemical reducing agent hydrazine (80 wt % water solution, 5 mL) was placed in the desiccator for the reduction. The reducing reaction time of 72 h gave the best results for the capacitor performance as discussed below and this sample was assigned as GM-A. Two other graphene samples have also been prepared: sample GM-B, reduced in 24 h by hydrazine, and sample GM-C, obtained from GM-B after being further annealed at 400 °C for 3 h in argon |
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