Toward Efficient Tandem Organic Solar Cells: From Materials to Device Engineering.,ACS Applied Materials & Interfaces

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Toward Efficient Tandem Organic Solar Cells: From Materials to Device Engineering.
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2020-08-25 , DOI: 10.1021/acsami.0c09909
Kai Zhang ₁ , Lei Ying ₁ , Hin-Lap Yip ₁ , Fei Huang ₁ , Yong Cao ₁

Affiliation

Organic solar cells (OSCs) have demonstrated considerable potential in utilizing renewable solar energy because of their distinct advantages of light weight, low cost, and good flexibility. In the past decade, tremendous development in power conversion efficiency (PCE) from ∼7% to more than 17% has been witnessed. Among the various strategies of improving the PCE of OSCs, tandem structure is one of the most effective ways. In this Spotlight on Applications, we first introduce active-layer materials that we developed and selected for tandem OSC construction. We then emphasize an interconnecting layer (ICL) that we developed based on polymeric electron-transport layers. Benefiting from the organic nature of polymeric materials, the electron extraction ability and charge-transport ability of the organic electron-transport layer can be easily tuned by modifying the molecular structure or using a binary strategy, which enables us to obtain highly efficient tandem OSCs. Moreover, an ICL composed of a polymeric electron and hole-transport layer offers intrinsic advantage in obtaining a flexible tandem device and is compatible with the printing technique for fabricating large-area devices. After that, the application of the transfer matrix modeling method in predicting the best tandem OSCs architecture is introduced. Lastly, the possible research interests of tandem OSCs in the future from our point of view is discussed.

中文翻译：

迈向高效的串联有机太阳能电池：从材料到设备工程。

有机太阳能电池（OSC）具有重量轻，成本低和柔韧性好等独特优势，在利用可再生太阳能方面已显示出巨大潜力。在过去的十年中，见证了功率转换效率（PCE）从约7％到17％以上的巨大发展。在改善OSC的PCE的各种策略中，串联结构是最有效的方法之一。在本应用聚焦中，我们首先介绍了为串联OSC构建而开发和选择的有源层材料。然后，我们强调基于聚合物电子传输层开发的互连层（ICL）。受益于聚合材料的有机特性，通过改变分子结构或采用二元策略可以很容易地调节有机电子传输层的电子提取能力和电荷传输能力，这使我们能够获得高效的串联OSC。此外，由聚合物电子和空穴传输层组成的ICL在获得柔性串联器件方面具有固有优势，并且与用于制造大面积器件的印刷技术兼容。之后，介绍了传递矩阵建模方法在预测最佳串联OSC架构中的应用。最后，从我们的角度讨论了未来串联OSC的可能研究兴趣。由聚合物电子和空穴传输层组成的ICL在获得柔性串联器件方面具有固有优势，并且与用于制造大面积器件的印刷技术兼容。之后，介绍了传递矩阵建模方法在预测最佳串联OSC架构中的应用。最后，从我们的角度讨论了未来串联OSC的可能研究兴趣。由聚合物电子和空穴传输层组成的ICL在获得柔性串联器件方面具有固有优势，并且与用于制造大面积器件的印刷技术兼容。之后，介绍了传递矩阵建模方法在预测最佳串联OSC架构中的应用。最后，从我们的角度讨论了未来串联OSC的可能研究兴趣。

更新日期：2020-09-10

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