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首页> 外文期刊>Journal of nanoscience and nanotechnology >Integration of Metal Organic Chemical Vapour Deposition and Wet Chemical Techniques to Obtain Highly Ordered Porous ZnO Nanoplatforms
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Integration of Metal Organic Chemical Vapour Deposition and Wet Chemical Techniques to Obtain Highly Ordered Porous ZnO Nanoplatforms

机译：金属有机化学气相沉积和湿化学技术的集成，以获得高度有序的多孔ZnO纳米平台

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摘要

Large-area, highly ordered ZnO micropores-arrays consisting of ZnO nanotubes delimited by ZnO nanorods have been successfully fabricated and tested for protein sensing applications. ZnO seed layers have been deposited by Metal Organic Chemical Vapour Deposition and readily patterned by Colloidal Lithography to attain ZnO nanorods growth at selective sites by Chemical Bath Deposition. The used synthetic approach has been proven effective for the easy assembly of ZnO nanoplatforms into high-density arrays. Both patterned and unpatterned ZnO nanorods have been morphologically and compositionally characterised and, thus, tested for model studies of protein mobility at the interface. The patterned layers, having a higher contribution of surface polar moieties than the corresponding unpatterned surfaces, exhibit a reduced lateral diffusion of the adsorbed protein. This evidence is related to the intrinsic porous nature of the ZnO hemispherical arrays characterised by a nanotube-nanorod hybrid networks. The present study gives a great impetus to the fabrication of tunable ZnO nanoplatforms having multiple morphologies and exceptionally high surface areas suitable for application in sensing devices.
机译：已经成功制造了由ZnO纳米棒界定的ZnO纳米管组成的大面积，高度有序的ZnO微孔阵列，并进行了蛋白质传感应用测试。 ZnO籽晶层已通过金属有机化学气相沉积法沉积，并易于通过胶体光刻法进行图案化，以通过化学浴沉积法在选择性部位获得ZnO纳米棒的生长。已证明所使用的合成方法对于将ZnO纳米平台轻松组装成高密度阵列有效。图案化和未图案化的ZnO纳米棒均已进行了形态和组成表征，因此已进行了界面蛋白迁移率模型研究的测试。具有比相应的未构图的表面更高的表面极性部分的构图的层显示出所吸附的蛋白质的横向扩散减小。该证据与以纳米管-纳诺德杂化网络为特征的ZnO半球形阵列的固有多孔性质有关。本研究极大地推动了具有多种形态和超高表面积的可调ZnO纳米平台的制造，适用于传感设备。

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