通过强氢键相互作用实现宽带隙透辉石和透辉石/硅串联太阳能电池

IF 19.3 1区材料科学 Q1 CHEMISTRY, PHYSICAL

ACS Energy Letters Pub Date : 2025-04-04 DOI:10.1021/acsenergylett.5c00147

Cong Sun, Lu Jin, Xinjiang Wang, Biao Shi, Pengyang Wang, Ningyu Ren, Xiaojing Han, Lizetong Sun, Zhao Zhu, Qian Huang, Shengzhi Xu, Ying Zhao, Lijun Zhang, Xiaodan Zhang

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引用次数: 0

摘要

提高宽禁带钙钛矿薄膜的结晶质量对提高器件的开路电压和性能至关重要。在此基础上，我们提出了在抗溶剂中加入4-morpholino formamidine hydrochloride （MFC）作为添加剂的方法，以通过强氢键相互作用促进晶体生长，同时减轻深层缺陷。通过这种方法，我们可以获得更大的晶粒尺寸，并实现向更多n型表面的过渡，这协同导致有利的载流子传输和减少载流子重组。因此，我们能够获得1.68 ev倒置钙钛矿太阳能电池（PSCs）的效率为23.13%，而双端钙钛矿/硅串联太阳能电池（TSCs）的效率为30.65%，VOC为1.951 V，同时保持长期稳定性。这种增材方法为宽禁带psc提供了一个新的视角，并进一步推动了钙钛矿/硅tsc的发展。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Wide-Bandgap Perovskite and Perovskite/Silicon Tandem Solar Cells through Strong Hydrogen Bonding Interaction

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Wide-Bandgap Perovskite and Perovskite/Silicon Tandem Solar Cells through Strong Hydrogen Bonding Interaction

Enhancing the crystallization quality of wide-bandgap perovskite film is vital to raise the open-circuit voltage (V_OC) and performance of the device. Based on this, we present an approach involving the incorporation of 4-morpholino formamidine hydrochloride (MFC) as an additive in the antisolvent to facilitate crystal growth through the strong hydrogen bonding interactions and concurrently mitigate the deep-level defects. With this method, we can obtain increased grain size and achieve a transition toward a more n-type surface, which synergistically results in favorable carrier transport and reduced carrier recombination. Consequently, we were able to obtain an efficiency of 23.13% for 1.68 eV-inverted perovskite solar cells (PSCs) and 30.65% with a V_OC of 1.951 V for the two-terminal perovskite/silicon tandem solar cells (TSCs) while maintaining long-term stability. This additive approach provides a fresh perspective in wide-bandgap PSCs and further pushes the development of perovskite/silicon TSCs.

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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.