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CuI-Si Heterojunction Solar Cells with Carbon Nanotube Films as Flexible Top-Contact Electrodes

ISSN号：1998-0124
期刊名称：Nano Research
时间：2011.10.10
页码：979-986
分类：TN371.04[电子电信—物理电子学] TM914.42[电气工程—电力电子与电力传动]
作者机构：[1]Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China, [2]College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China, [3]College of Engineering, Peking University, Beijing 100871, China, [4]Center for Nano and Micro Mechanics, Tsinghua University, Beijing 100084, China, [5]These authors contributed equally to this work.
相关基金：This work is supported by the National Natural Science Foundation of China （NSFC, Grant No.50972067） and the 863 Program （No. 2009AA05Z423）. A. Cao acknowledges the support by the National Science Foundation of China （NSFC, No. 51072005） and C. Huang acknowledges NSFC No. 90922004 for financial support.
相关项目：纳米薄膜太阳能电池的研究

关键词：薄膜太阳能电池, 碳纳米管薄膜, 接触电极, 异质结, 顶部, SI, 能量转换效率, 碳纳米管电极, Carbon nanotubes, flexible electrodes, heterojunction solar cells

中文摘要：

我们作为一个透明电极与碳 nanotubes (CNT ) 报导 CuI-Si 异质接面太阳能电池的制造。一个灵活 CNT 网络被转移到多晶的 CuI 层的顶上，做有与内在的 CuI 的好接触的保角的涂层。太阳能电池在 6% ～ 10.5% 的范围显示出力量变换效率，当在设备在空中被存储为 8 天以后，效率降级是不到 10% 时。与象铟听氧化物(ITO ) 那样的常规僵硬电极相比玻璃， CNT 电影的灵活性与活跃的层保证更好的接触并且为出版社接触电极移开需要。降级的房间能由 CNT 电极做的酸恢复他们的原来的表演。我们的结果建议 CNT 电影与不平的表面是为不平的材料和结构的合适的电的接触。

英文摘要：

We report the fabrication of CuI-Si heterojunction solar cells with carbon nanotubes （CNTs） as a transparent electrode. A flexible CNT network was transferred onto tile top of a polycrystalline CuI layer, making a conformal coating with good contact with the underlying CuI. The solar cells showed power conversion efficiencies in the range of 6% to 10.5%, while the efficiency degradation was less than 10% after the device was stored in air for 8 days. Compared with conventional rigid electrodes such as indium tin oxide （ITO） glass, the flexibility of the CNT films ensures better contact with the active layers and removes the need for press-contact electrodes. Degraded cells can recover their original performance by acid doping of the CNT electrode. Our results suggest that CNT films are suitable electrical contacts for rough materials and structures with an uneven surface.