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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Effect of polyethyleneimine on the growth of ZnO nanorod arrays and their application in dye-sensitized solar cells
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Effect of polyethyleneimine on the growth of ZnO nanorod arrays and their application in dye-sensitized solar cells

机译：聚乙烯亚胺对ZnO纳米棒阵列生长的影响及其在染料敏化太阳能电池中的应用

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摘要

A series of oriented hexagonal wurtzite ZnO nanorod-array films were grown on fluorine-doped tin oxide (FTO) coated glass substrates by chemical process. The effect of polyethyleneimine (PEI) on the structure and micro-morphology of ZnO nanorod array films, as well as the photoelectric conversion properties in dye-sensitized solar cells (DSSCs) was analyzed. It was found that with the addition of PEI in growth solution, the ZnO nanorods became smaller in diameter and longer in length and hence the dye absorption and the photovoltaic performance of DSSCs were improved. A power conversion efficiency of 2.30% had been achieved on a DSSC based on a 7.9 m-long nanorod array film prepared by a growth solution containing the PEI.
机译：通过化学工艺在氟掺杂氧化锡（FTO）涂层玻璃基板上生长了一系列取向六方纤锌矿型ZnO纳米棒阵列膜。分析了聚乙烯亚胺（PEI）对ZnO纳米棒阵列膜的结构和微观形貌的影响，以及染料敏化太阳能电池（DSSCs）的光电转换性能。发现在生长溶液中添加PEI，ZnO纳米棒的直径变小，长度变长，因此改善了染料吸收和DSSC的光电性能。在基于由包含PEI的生长溶液制备的7.9m长的纳米棒阵列膜的DSSC上，已经实现了2.30％的功率转换效率。

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