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Ultrafast microwave-assisted synthesis of various zinc oxide nanostructures
Indian Journal of Engineering & Materials Sciences Pub Date : 2020-08-03 Viney Ghai, Kshitiz Sharma, Jashan Sanger, Harpreet Singh, Prabhat Kumar Agnihotri
Indian Journal of Engineering & Materials Sciences Pub Date : 2020-08-03 Viney Ghai, Kshitiz Sharma, Jashan Sanger, Harpreet Singh, Prabhat Kumar Agnihotri
The conventional hydrothermal process for the synthesis of zinc oxide (ZnO) nanostructures has been a slow process and provides less control in terms of shape, size and nucleation time. Whereas, synthesis through microwave heating takes only a few minutes to produce high quality, ultra-pure zinc oxide nanostructures. In this study, we have presented a protocol to fabricate various ZnO nanostructures (vertically-aligned nanorods, vertically-aligned nanowalls, nano flowers and nanopillars) using a domestic microwave oven. Based upon the process study, variation in diameter and length of vertically aligned ZnO nanorods with growth time has been reported. Uniformly distributed ZnO nanowalls along with ZnO nanoflowers have been fabricated in less than 5 minutes. In addition to this, ZnO nanopillars have been fabricated for the first-time using evaporation and degradation phenomena in themicrowave oven. Furthermore,the ZnO nanorods have been found to exhibit a super hydrophobic behaviour, whereas the ZnO nanowalls, nanoflowers and nanopillars have shown a hydrophobic behaviour. The developed ZnO nanostructures may have been found their applications in the areas of optics, electronics, biomedical, solar cell, sensors and transistors etc.
中文翻译：
超快微波辅助合成各种氧化锌纳米结构
用于合成氧化锌（ZnO）纳米结构的常规水热工艺是一个缓慢的过程，并且在形状，尺寸和成核时间方面提供的控制较少。然而，通过微波加热进行合成仅需几分钟即可生产出高质量的超纯氧化锌纳米结构。在这项研究中，我们提出了使用家用微波炉制造各种ZnO纳米结构（垂直排列的纳米棒，垂直排列的纳米壁，纳米花和纳米柱）的方案。根据工艺研究，已经报道了垂直排列的ZnO纳米棒的直径和长度随生长时间的变化。不到5分钟即可制作出均匀分布的ZnO纳米壁以及ZnO纳米花。除此之外，ZnO纳米柱是首次使用微波炉中的蒸发和降解现象制造的。此外，已经发现ZnO纳米棒表现出超疏水的行为，而ZnO纳米壁，纳米花和纳米柱表现出疏水的行为。发达的ZnO纳米结构可能已在光学，电子，生物医学，太阳能电池，传感器和晶体管等领域得到了应用。等等
更新日期：2020-08-03
中文翻译：
超快微波辅助合成各种氧化锌纳米结构
用于合成氧化锌（ZnO）纳米结构的常规水热工艺是一个缓慢的过程，并且在形状，尺寸和成核时间方面提供的控制较少。然而，通过微波加热进行合成仅需几分钟即可生产出高质量的超纯氧化锌纳米结构。在这项研究中，我们提出了使用家用微波炉制造各种ZnO纳米结构（垂直排列的纳米棒，垂直排列的纳米壁，纳米花和纳米柱）的方案。根据工艺研究，已经报道了垂直排列的ZnO纳米棒的直径和长度随生长时间的变化。不到5分钟即可制作出均匀分布的ZnO纳米壁以及ZnO纳米花。除此之外，ZnO纳米柱是首次使用微波炉中的蒸发和降解现象制造的。此外，已经发现ZnO纳米棒表现出超疏水的行为，而ZnO纳米壁，纳米花和纳米柱表现出疏水的行为。发达的ZnO纳米结构可能已在光学，电子，生物医学，太阳能电池，传感器和晶体管等领域得到了应用。等等
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