Template preparation of Pt nanowire array electrode on Ti/Si substrate for methanol electro-oxidation
Template preparation of Pt nanowire array electrode on Ti/Si substrate for methanol electro-oxidation
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DOI：
10.1016/j.apsusc.2006.07.015
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发表时间：
2007-01
影响因子：
6.7
通讯作者：
Guangyu Zhao;Cailing Xu;Dao-Jun Guo;Huamei Li;Hu-lin Li
中科院分区：
文献类型：
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作者：
Guangyu Zhao;Cailing Xu;Dao-Jun Guo;Huamei Li;Hu-lin Li
采用直流电沉积法将铂（Pt）沉积到Ti/Si衬底上的阳极氧化铝（AAO）模板孔中，制备了Pt纳米线阵列电极。透射电子显微镜（TEM）观察表明，纳米线的直径均匀，约为30 nm。通过场发射扫描电子显微镜（FESEM）可以清晰地观察到刷状Pt纳米线阵列电极。Pt纳米线阵列电极的X射线衍射（XRD）图谱显示其为面心立方（fcc）晶体结构。采用循环伏安法研究了室温下甲醇在该电极上的电氧化行为。结果表明，铂纳米线阵列电极在便携式电源方面具有良好的应用前景。
Platinum (Pt) nanowire array electrode is obtained by dc electrodeposition of Pt into the pores of anodic aluminum oxide (AAO) template on Ti/Si substrate. Transmission electron microscope (TEM) examination shows all the nanowires have uniform diameter of about 30nm. The brush shapes Pt nanowire array electrode can be seen clearly by field emission scanning electron microscope (FESEM). Pt nanowire array electrode gives the X-ray diffraction (XRD) pattern of face-centered cubic (fcc) crystal structure. The electro-oxidation of methanol on this electrode is investigated at room temperature by cyclic voltammetry. The results demonstrated that the Pt nanowire array electrode will have good potential applications in portable power sources.