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首页> 外文期刊>Science and Technology of Advanced Materials >Decay of nano-islands on the surface of a Au(111) electrode in contact with sulfuric acid solution
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Decay of nano-islands on the surface of a Au(111) electrode in contact with sulfuric acid solution

机译：与硫酸溶液接触的Au（111）电极表面的纳米岛衰变

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摘要

The decay of nano-islands on the surface of a Au(111) electrode, in contact with 50 mM sulfuric acid aqueous solution under an applied potential in the range of 0.15-1.2 V, has been investigated using electrochemical atomic force microscopy (EC-AFM). The results are compared with those previously obtained for Au(100). With either orientation, it is found that the area of the top layer of multi-layered islands decreases linearly with time at any applied potential. It was also found that the decay rate, defined as the rate of decrease of the number of atoms in the top-layer of the islands per second, increases with the magnitude of the applied potential. Further, the decay rate of the top layer of the islands on Au(111) is almost the same as that on Au(100).
机译：已经使用电化学原子力显微镜研究了在0.15-1.2 V的施加电势下与50 mM硫酸水溶液接触的Au（111）电极表面上的纳米岛的衰减。 AFM）。将结果与先前针对Au（100）获得的结果进行比较。在任一方向上，发现在任何施加电势下，多层岛的顶层的面积都随时间线性减小。还发现衰减率，定义为每秒在岛的顶层中原子数的减少率，随施加电势的大小而增加。此外，Au（111）上岛的顶层的衰减率几乎与Au（100）上的衰减率相同。

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