Heterogeneous Growth of Anodic Oxide Film on a Polycrystalline Titanium Electrode Observed with a Scanning Electrochemical Microscope
Heterogeneous Growth of Anodic Oxide Film on a Polycrystalline Titanium Electrode Observed with a Scanning Electrochemical Microscope
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扫描电化学显微镜观察多晶钛电极上阳极氧化膜的异质生长
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发表时间：
2000
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影响因子：
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通讯作者：
M. Seo
中科院分区：
文献类型：
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作者：
K. Fushimi;T. Okawa;K. Azumi;M. Seo
采用扫描电化学显微镜（SECM）研究了在pH 8.4硼酸盐脱氧溶液中生长在多晶钛电极上的阳极氧化膜。探针电流图像可以根据衬底晶粒的不同，检测出阳极氧化膜的非均匀生长。当电位高于3 V （SHE）时，这种非均质性随着成膜电位的增加而增加。薄膜厚度与衬底晶粒关系的研究也得到了拉曼微探针光谱的支持。
A scanning electrochemical microscope (SECM) was applied to study anodic oxide film grown on a polycrystalline titanium electrode in deaerated pH 8.4 borate solution. The probe current images of SECM could detect the heterogeneous growth of anodic oxide film, depending on the substrate crystal grains. This heterogeneity increased with increasing the film formation potential at the potential higher than 3 V (SHE). The study of the dependence of film thickness on the substrate grain has been also supported with Raman microprobe spectroscopy.