Localized Tunneling 1D Perovskitoid Passivated Contacts for Efficient and Stable Perovskite Solar Modules

IF 24.4 1区材料科学 Q1 CHEMISTRY, PHYSICAL

Advanced Energy Materials Pub Date : 2025-03-20 DOI:10.1002/aenm.202405133

Qian Wang, Kai Zhang, Weifan Ding, Yuhua He, Xiaohan Chen, Yuan Tian, Zerui Li, Bin Ding, Thamraa Alshahrani, Rui Wang, Songyuan Dai, Zedong Lin, Zhenhai Yang, Mohammad Khaja Nazeeruddin, Yong Ding

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Abstract

Interface engineering has proven to be an effective approach for passivating interfacial imperfections to mitigate non-radiative recombination, but the subpar interface quality between the perovskite and the charge transport layer has hindered advancements in charge extraction and transport. Herein, localized tunneling passivated contacts are presented using self-assembled one-dimensional (1D) perovskitoid through an in situ reaction between1-ethyl-2-methylpyridinium iodide ([EtMePy]I) and PbI₂. The formation of a uniform conformal layer and a non-continuous distribution of 1D [EtMePy]PbI₃ perovskitoid crystals serves as a localized tunneling contact at the interface between the perovskite and the hole transport layer, which suppresses interfacial non-radiative recombination and facilitates spatial separation of carriers. The optimized perovskite solar modules achieve a power conversion efficiency of 22.54% and a high fill factor of 80.0% with an aperture area of 29.0 cm². The encapsulated device retains 90.4% of its initial PCE after ≈1,000 h of maximum power point tracking at 85 °C and 85% relative humidity (RH) under 1.0 Sun illumination.

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界面工程已被证明是钝化界面缺陷以缓解非辐射重组的有效方法，但包晶和电荷传输层之间的界面质量不佳阻碍了电荷萃取和传输的进步。本文通过 1-乙基-2-甲基碘化吡啶鎓（[EtMePy]I）和 PbI2 之间的原位反应，利用自组装的一维（1D）包晶提出了局部隧道钝化接触。1D [EtMePy]PbI3 包晶形成的均匀保形层和非连续分布可作为包晶与空穴传输层界面的局部隧道接触，从而抑制界面非辐射重组并促进载流子的空间分离。经过优化的透辉石太阳能模块的功率转换效率达到 22.54%，填充因子高达 80.0%，孔径面积为 29.0 平方厘米。在 85 °C、85% 相对湿度 (RH) 和 1.0 Sun 光照条件下，封装器件在最大功率点跟踪≈1,000 小时后，仍能保持 90.4% 的初始 PCE。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advanced Energy Materials CHEMISTRY, PHYSICAL-ENERGY & FUELS

CiteScore

41.90

自引率

4.00%

发文量

889

审稿时长

1.4 months

期刊介绍： Established in 2011, Advanced Energy Materials is an international, interdisciplinary, English-language journal that focuses on materials used in energy harvesting, conversion, and storage. It is regarded as a top-quality journal alongside Advanced Materials, Advanced Functional Materials, and Small. With a 2022 Impact Factor of 27.8, Advanced Energy Materials is considered a prime source for the best energy-related research. The journal covers a wide range of topics in energy-related research, including organic and inorganic photovoltaics, batteries and supercapacitors, fuel cells, hydrogen generation and storage, thermoelectrics, water splitting and photocatalysis, solar fuels and thermosolar power, magnetocalorics, and piezoelectronics. The readership of Advanced Energy Materials includes materials scientists, chemists, physicists, and engineers in both academia and industry. The journal is indexed in various databases and collections, such as Advanced Technologies & Aerospace Database, FIZ Karlsruhe, INSPEC (IET), Science Citation Index Expanded, Technology Collection, and Web of Science, among others.