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Synthesis of Ni/TiO_2 Nanocomposite by Loading TiO_2 Nanotubes with Ni Nanoparticles

机译：用Ni纳米粒子加载TiO_2纳米管的Ni / TiO_2纳米复合材料

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Synthesis of Ni nanoparticles on TiO_2 nanotubes was carried out using a pulsed electrodeposition technique. TiO_2 nanotubes were fabricated by anodization. The influence of the pulse electrodeposition conditions (current amplitudes, pulse time of negative current and substrate conductivity) was investigated on the surface morphology of Ni electrodeposited on TiO_2 nanotube arrays. The particle size and surface morphology of Ni deposits were studied by field emission scanning electron microscopy (FESEM). The result indicated that the average size of Ni nanoparticles was varied from 20 to 43 nm. The phase structure of Ni/TiO_2 materials was studied by X-ray diffraction (XRD). The experiment found that enhancing the conductivity of the TiO_2 nanotubes was a key factor for the successful deposition of Ni nanoparticles.
机译：使用脉冲电沉积技术进行TiO_2纳米管上Ni纳米颗粒的合成。通过阳极氧化制造TiO_2纳米管。研究了脉冲电沉积条件的影响（电流幅度，负电流和衬底电导率的脉冲时间和衬底电导率）对TiO_2纳米管阵列的Ni电沉积的表面形态。通过现场发射扫描电子显微镜（FESEM）研究了Ni沉积物的粒度和表面形态。结果表明，Ni纳米颗粒的平均尺寸从20-33nm变化。通过X射线衍射（XRD）研究了Ni / TiO_2材料的相结构。实验发现，增强TiO_2纳米管的电导率是Ni纳米粒子成功沉积的关键因素。

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