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Tuning the growth of ZnO nanowires

机译：调整ZnO纳米线的生长

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ZnO nanowires (NWs) with different diameters were obtained by controlling the particles of ZnO sub-layer (SL) exploring hydrothermal method; the diameter of the epitaxial NWs could be tuned from 60 to 146 nm when using SL with a thickness of 70 nm. The thickness of the SL would influence the orientation of the NWs. The top agglomerate NWs could be formed on the SL with a thickness of 10 nm, and the NWs with better orientation were obtained using SL with a thickness of 70 nm. Well aligned ZnO NWs grew perpendicular to the completely stress released SL. The diameter of the NWs was also greatly influenced by the solution concentration; thus ultra fine (diameter～11 nm) ZnO NWs were obtained through adjusting the solution concentration to 0.001 mol/L. Through our research, we also found that the growth rate of the NWs could also be influenced by the different polarity surface of the SL. In other words, the size of the ZnO NWs could be tuned exactly under optimal conditions.
机译：通过水热法控制ZnO亚层（SL）的粒径，获得了不同直径的ZnO纳米线（NWs）。当使用厚度为70 nm的SL时，外延NW的直径可以从60 nm调整为146 nm。 SL的厚度会影响NW的方向。可以在SL上形成厚度为10 nm的顶部团聚NW，并且使用厚度为70 nm的SL可以获得取向更好的NW。取向良好的ZnO NW垂直于完全释放应力的SL生长。 NW的直径也受溶液浓度的影响很大。通过调节溶液浓度至0.001 mol / L，可获得超细（直径〜11 nm）的ZnO纳米线。通过我们的研究，我们还发现NW的生长速率也可能受到SL极性不同的表面的影响。换句话说，可以在最佳条件下精确调整ZnO NW的大小。

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