Improved Interconnecting Layer for Perovskite–Organic Tandem Solar Cells

IF 18.2 1区材料科学 Q1 CHEMISTRY, PHYSICAL

ACS Energy Letters Pub Date : 2025-09-30 DOI:10.1021/acsenergylett.5c01923

Yun Xiao, Tianyu Huang, Nan Chen, Peng Chen, Deying Luo, Xin Jiang, Xiaohan Jia, Juntao Hu, Dengke Wang, Pascal Kaienburg, Suhas Mahesh, Anna Jungbluth, Rui Su, Congmeng Li, Qiang Lou, Chen Yang, Bingjun Wang, Irfan Habib, Hao Ye, Hang Zhou, Hui Li, Lei Meng, Xiaojun Li, Hongyu Yu, Moritz Riede, Zheng-Hong Lu, Rui Zhu, Henry J. Snaith

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Abstract

Monolithic perovskite–organic tandem solar cells (POTSCs) have attracted considerable attention in recent years due to their compatible fabrication routes and advances in single-cell efficiencies. To further boost the performance of POTSCs, reducing the voltage losses that mainly arise from wide bandgap (WBG, >1.7 eV) perovskite subcells and interconnecting layers (ICLs) is critical. Here, a new ICL with a configuration of C₆₀/YbO_x/Au/MoO_x is demonstrated for constructing the monolithic POTSC. The YbO_x-based ICL benefits from an ohmic contact and high transparency, resulting in improved POSTC performance. The champion device presents a PCE of 23.2% owing to a high V_OC of 2.11 V (approximately equal to the sum of individual V_OC’s of the subcells) without compromising the short-circuit current density and fill factors. This work opens an avenue for developing efficient ICLs in POTSCs.

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钙钛矿-有机串联太阳能电池的改进互连层

单片钙钛矿-有机串联太阳能电池（POTSCs）由于其兼容的制造工艺和单电池效率的进步，近年来引起了人们的广泛关注。为了进一步提高poscs的性能，降低主要由宽带隙（WBG, >1.7 eV）钙钛矿亚电池和互连层（ICLs）引起的电压损失至关重要。本文演示了一种具有C60/YbOx/Au/MoOx配置的新ICL，用于构建单片POTSC。基于ybox的ICL得益于欧姆接触和高透明度，从而提高了POSTC性能。由于挥发性有机化合物（VOC）高达2.11 V（大约等于各个子电池VOC的总和），冠军器件的PCE为23.2%，而不影响短路电流密度和填充系数。这项工作为在poscs中开发高效icl开辟了一条途径。

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

ACS Energy Letters Energy-Renewable Energy, Sustainability and the Environment

CiteScore

31.20

自引率

5.00%

发文量

469

审稿时长

1 months

期刊介绍： ACS Energy Letters is a monthly journal that publishes papers reporting new scientific advances in energy research. The journal focuses on topics that are of interest to scientists working in the fundamental and applied sciences. Rapid publication is a central criterion for acceptance, and the journal is known for its quick publication times, with an average of 4-6 weeks from submission to web publication in As Soon As Publishable format. ACS Energy Letters is ranked as the number one journal in the Web of Science Electrochemistry category. It also ranks within the top 10 journals for Physical Chemistry, Energy & Fuels, and Nanoscience & Nanotechnology. The journal offers several types of articles, including Letters, Energy Express, Perspectives, Reviews, Editorials, Viewpoints and Energy Focus. Additionally, authors have the option to submit videos that summarize or support the information presented in a Perspective or Review article, which can be highlighted on the journal's website. ACS Energy Letters is abstracted and indexed in Chemical Abstracts Service/SciFinder, EBSCO-summon, PubMed, Web of Science, Scopus and Portico.