Fabrication of Thin-Film, Flexible, and Transparent Electrodes Composed of Ruthenic Acid Nanosheets by Electrophoretic Deposition and Application to Electrochemical Capacitors
Fabrication of Thin-Film, Flexible, and Transparent Electrodes Composed of Ruthenic Acid Nanosheets by Electrophoretic Deposition and Application to Electrochemical Capacitors
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DOI：
10.1149/1.2138570
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发表时间：
2006-02
影响因子：
3.9
通讯作者：
W. Sugimoto;Katsunori Yokoshima;Kazunori Ohuchi;Y. Murakami;Y. Takasu
中科院分区：
文献类型：
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作者：
W. Sugimoto;Katsunori Yokoshima;Kazunori Ohuchi;Y. Murakami;Y. Takasu
通过将四丁基铵-顺丁烯二酸插层化合物分散在乙腈或N，N-二甲基甲酰胺中，制备了顺丁烯二酸纳米片胶体。纳米片电极上制作的金，铟锡氧化物（ITO）涂层的玻璃，和ITO涂层的聚（对苯二甲酸乙二醇酯）（PET）电极通过电泳沉积使用这些胶体。用ITO电极作衬底可以制作透明或柔性电极。材料的沉积量可以容易地通过沉积的程度来控制，这从作为沉积时间的函数的比电容的线性增加来证实。以Au为基底的纳米片电极表现出620 F（g-RuO 2）-1的重量电容.在5 V cm - 1下沉积1 h，在2 mV s - 1的扫描速率下获得0.82 F cm - 2（g e om e t r i c）的比电容。
Ruthenic acid nanosheet colloids were prepared by dispersing a tetrabutylammonium-ruthenic acid intercalation compound in acetonitrile or N,N-dimethylformamide. Nanosheet electrodes were fabricated on gold, indium-tin oxide (ITO)-coated glass, and ITO-coated poly(ethylene terephthalate) (PET) electrodes by electrophoretic deposition using these colloids. Transparent or flexible electrodes could be fabricated by using ITO electrodes as the substrate. The deposited amount of material could easily be controlled by the extent of deposition, which was confirmed from the linear increase in specific capacitance as a function of deposition time. The ruthenic acid nanosheet electrodes using Au substrates exhibited gravimetric capacitance of 620 F (g -RuO 2 ) - 1 . Specific capacitance of 0.82 F cm - 2 ( g e o m e t r i c ) was achieved at a scan rate of 2 mV s - 1 with a film deposited at 5 V cm - 1 for 1 h.