Chemical Design of Organic Interface Modifiers for Highly Efficient and Stable Perovskite Solar Cells,Advanced Energy Materials

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Chemical Design of Organic Interface Modifiers for Highly Efficient and Stable Perovskite Solar Cells
Advanced Energy Materials ( IF 24.4 ) Pub Date : 2023-05-24 , DOI: 10.1002/aenm.202300603
Seul‐Gi Kim ₁ , Kai Zhu ₁

Affiliation

Perovskite solar cells (PSCs) have demonstrated rapid progress in their power conversion efficiencies (PCEs)—from 3.8% in 2009 to 25.7% in 2022—and they have received considerable attention as a promising future photovoltaic (PV) technology. However, the operational stability of PSCs is still inadequate to satisfy the standards for commercial applications. Interface engineering has become one of the most important strategies to push PSCs’ efficiency and stability for practical use. Among the various interface engineering approaches, organic interface modifiers (OIMs) have been frequently used by the PSC field to address the issues limiting PSC stability at high efficiency levels. In this perspective, the chemical structures of state-of-the-art OIMs are discussed, and their characteristics are reviewed, as well as the impact on device performance associated with key device interfaces (e.g., metal oxide/perovskite and organic transport layer/perovskite interfaces) from a chemical and materials engineering point of view is discussed. Design considerations and the authors' perspective are discussed, on the basis of representative literature examples, for building new, customized organic OIMs to further improve PSC efficiency and stability toward commercialization.

中文翻译：

高效稳定钙钛矿太阳能电池有机界面改性剂的化学设计

钙钛矿太阳能电池 (PSC) 在电力转换效率 (PCE) 方面取得了快速进步，从 2009 年的 3.8% 提高到 2022 年的 25.7%，并且作为一种有前景的未来光伏 (PV) 技术受到了广泛关注。然而，PSC的运行稳定性仍不足以满足商业应用的标准。界面工程已成为提高PSCs效率和稳定性实用化的最重要策略之一。在各种界面工程方法中，有机界面改性剂（OIM）已被 PSC 领域频繁使用，以解决限制 PSC 高效率水平稳定性的问题。从这个角度来看，讨论了最先进的 OIM 的化学结构，并回顾了它们的特性，以及从化学和材料工程的角度讨论了与关键器件界面（例如金属氧化物/钙钛矿和有机传输层/钙钛矿界面）相关的器件性能的影响。基于代表性文献示例，讨论了设计考虑因素和作者的观点，以构建新的定制有机 OIM，以进一步提高 PSC 效率和商业化稳定性。

更新日期：2023-05-24

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