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首页> 外文期刊>Nanoscience and Nanotechnology Letters >Fabrication of High-Efficient Si-Based Solar Cells Using Tapered ZnO Nanorods as Antireflection Layers
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Fabrication of High-Efficient Si-Based Solar Cells Using Tapered ZnO Nanorods as Antireflection Layers

机译:使用锥形ZnO纳米棒作为抗反射层的高效硅基太阳能电池的制造

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摘要

We have hydrothermally synthesized highly-textured ZnO NRs on ZnO-seeded n(+)-p-Si substrates, and investigated the dependence of growth time on the morphological and optical properties of ZnO NRs. The tips of the ZnO NRs are changed from flat tops to tapered shapes with increasing the growth time. The subtle changes in the shape of NR tips result in significantly improved antireflection properties due to the elimination of interference fringes in the visible and near-infrared region, leading to enhanced photocurrent output. By introducing the ZnO NRs as antireflection layers, a high PCE of similar to 14.1% can be realized for the tapered 1.2 mu m-ZnO NRs/ZnO(+)-p-Si solar cells, which is by far superior to that of the control solar device (similar to 9.2%).
机译:我们已经水热合成ZnO播种n(+)-p-Si衬底上的高结构化ZnO NRs,并研究了生长时间对ZnO NRs的形态和光学性质的依赖性。随着生长时间的增加,ZnO NR的尖端从平顶变为锥形。 NR尖端形状的细微变化可消除可见光和近红外区域的干涉条纹,从而显着改善抗反射性能,从而提高光电流输出。通过引入ZnO NRs作为抗反射层,对于渐缩的1.2μmm-ZnO NRs / ZnO / n(+)-p-Si太阳能电池,可实现接近14.1%的高PCE,远远优于后者。太阳能控制设备的百分比(约9.2%)。

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