Novel Polymer-Based Organic/c-Si Monolithic Tandem Solar Cell: Enhanced Efficiency using Interlayer and Transparent Top Electrode Engineering,Macromolecular Rapid Communications

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Novel Polymer-Based Organic/c-Si Monolithic Tandem Solar Cell: Enhanced Efficiency using Interlayer and Transparent Top Electrode Engineering
Macromolecular Rapid Communications ( IF 4.2 ) Pub Date : 2021-08-04 , DOI: 10.1002/marc.202100305
HyunJung Park ₁ , So Hyun Park _{2,

3} , Sang-Won Lee ₄ , Yoonmook Kang ₃ , Donghwan Kim ₄ , Hae Jung Son _{2,

3} , Hae-Seok Lee ₃

Affiliation

Tandem solar cells which are electrically connected with various photoactive materials have the potential to solve the current challenges by exceeding the theoretically limited efficiency of single junction solar cells. Here the first monolithic organic/silicon tandem cell is reported based on a semitransparent polymer on a crystalline silicon (c-Si) substrate. Herein, experimental results are presented for four-terminal (4-T) and monolithic two-terminal (2-T) organic/c-Si tandem cells using organic cells with an inverted n-i-p structure and c-Si cells with an n-type TOPCon structure with detailed analysis. The best 4-T tandem cell efficiency is 15.22%, and 2-T results show that the top (organic) and bottom (c-Si) cells are electrically connected by an open-circuit voltage over 1.4 V. Further, a simulated efficiency of over 20% using the organic/c-Si tandem is achieved, implying the tandem efficiency can be enhanced through further improvement of electric and optical characteristics with the optimization.

中文翻译：

新型聚合物基有机/c-Si 单片串联太阳能电池：使用夹层和透明顶电极工程提高效率

与各种光敏材料电连接的串联太阳能电池有可能通过超过单结太阳能电池的理论上有限的效率来解决当前的挑战。这里报道了第一个基于晶体硅 (c-Si) 衬底上的半透明聚合物的单片有机/硅串联电池。在此，展示了使用具有倒 nip 结构的有机电池和具有 n 型的 c-Si 电池的四端 (4-T) 和单片两端 (2-T) 有机/c-Si 串联电池的实验结果。 TOPCon 结构与详细分析。最佳 4-T 串联电池效率为 15.22%，2-T 结果表明顶部（有机）和底部（c-Si）电池通过超过 1.4 V 的开路电压进行电连接。此外，

更新日期：2021-09-07

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