Organic tandem solar cell using active inter-connecting layer

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• 作者：Jianbing Yang^a ; ^b ; Weichao Chen^a ; ^b ; Bo Yu^a ; Haibo Wang^a ; Donghang Yan^a ; ^{yandh@ciac.jl.cn}
• 关键词：Organic solar cell ; Tandem structure ; Inter-connecting layer
• 刊名：Organic Electronics
• 出版年：2012
• 期刊代码：137_15661199
• 类别：et
• 出版时间：June, 2012
• 卷：13
• 期：6
• 页码：1018-1022
• 文件大小：630 K

摘要

We developed an active inter-connecting layer (ICL) composed of SnCl₂Pc/Al/F₁₆CuPc/ZnPc to achieve an effective organic tandem solar cell consisting of complementary absorbing layers. This ICL provides a new function to improve the light response of the top cell to enhance current matching between bottom cell and top cell. Meanwhile, the ICL is highly transparent and has efficient charge collections to realize electric connection in series. Finally, in the tandem cell, the open-circuit voltage of 1.52 V is obtained that is the summation of the single cells (1.08 V and 0.46 V), and the power conversion efficiency of 3.21%under 100 mW/cm² is achieved that is higher than those of the single cells.