Effect of monodisperse Cu2S nanodisks on photovoltaic performance of P3HT/PCBM polymer solar cells

文献类型： 外文期刊

第一作者： Lu, Yunzhang

作者： Lu, Yunzhang;Hou, Yanbing;Feng, Zhihui;Liu, Xiaojun;Lue, Yanwu;Wang, Yan

作者机构：

关键词： Polymer solar cell;Cu2S;P3HT;Nanodisk

期刊名称：SYNTHETIC METALS （ 影响因子：3.266； 五年影响因子：3.044 ）

ISSN： 0379-6779

年卷期： 2011 年 161 卷 9-10 期

页码：

收录情况： SCI

摘要： Hybrid solar cells using monodisperse Cu2S nanodisks compositing with the mixture of poly (3-hexylthiophene):1-(3-methoxycarbonyl) propyl-1-pheny [6,6] C61 (P3HT:PC60BM) as the active layer have been fabricated and characterized. The hybrid solar cells exhibit the highest efficiency of 1.35% when the weight ratio of P3HT:PC60BM:Cu2S is 1:0.8:0.224. The power conversion efficiency (PCE) of nanocomposite device is increased 22.7% comparing with that of the device based on pure P3HT/PC60BM. It is due to that the effect of high-quality Cu2S nanodisks with good dispersity contributes the increased electronic transportation in the active layer and results in the enhancement in photovoltaic performance. We also investigated the morphology of photoactive layer by microscope; it is found that the dispersity of nanomaterial in active layer is very important for device performance and improvement of carrier mobility. (C) 2011 Elsevier B.V. All rights reserved.

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[1]Temperature-dependent morphology evolution of P3HT:PCBM blend solar cells during annealing processes. Lu, Yunzhang,Feng, Zhihui,Ning, Yu,Liu, Xiaojun,Lu, Yanwu,Hou, Yanbing,Wang, Yan. 2012

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