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首页> 外文期刊>Nanotechnology >A novel maskless approach towards aligned, density modulated and multi-junction ZnO nanowires for enhanced surface area and light trapping solar cells
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A novel maskless approach towards aligned, density modulated and multi-junction ZnO nanowires for enhanced surface area and light trapping solar cells

机译：一种新颖的无掩模方法，用于对准，密度调制和多结的ZnO纳米线，以增加表面积和捕获光电池

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A maskless method of employing polymer growth inhibitor layers is used to modulate the conflicting parameters of density and alignment of multi-junction nanowires via large-scale low temperature chemical route. This low temperature chemical route is shown to synthesize multi-junction nanostructures without compromising the crystal quality at the interfaces. The final morphology of optimized multi-junctions nanowire arrays can be demonstrated on various substrates due to substrate independence and low temperature processing. Here, we also fabricated devices based on density modulated multi-junction nanowires tuned to infiltrate nanoparticles. The fabrication of hierarchically structured nanowireanoparticles composites presents an advantageous structure, one that allows nanoparticles to provide large surface areas for dye adsorption, whilst the nanowires can enhance the light harvesting, electron transport rate, and also the mechanical properties of the films. This work can be of great scientific and commercial interest since the technique employed is of low temperature (90 °C) and economical for large-scale solution processing, much valued in today's flexible display and photovoltaic industries.
机译：利用聚合物生长抑制剂层的无掩膜方法，通过大规模的低温化学途径来调节多结纳米线的密度和排列冲突的参数。该低温化学路线显示可以合成多结纳米结构，而不会损害界面处的晶体质量。由于衬底的独立性和低温处理，可以在各种衬底上证明优化的多结纳米线阵列的最终形态。在这里，我们还制造了基于密度调制多结纳米线的器件，这些器件经过调整可渗透纳米颗粒。分层结构的纳米线/纳米粒子复合材料的制造呈现出一种有利的结构，该结构允许纳米粒子提供用于染料吸附的大表面积，而纳米线可以增强光收集，电子传输速率以及膜的机械性能。这项工作具有极大的科学意义和商业意义，因为所采用的技术具有低温（<90°C）且对于大规模溶液处理而言经济实惠，在当今的柔性显示和光伏行业中倍受青睐。

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