利用预埋添加剂进行跨层全表面缺陷钝化,实现高效全无机包晶太阳能电池

IF 19.5 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Carbon Energy Pub Date : 2024-04-12 DOI:10.1002/cey2.566
Qiurui Wang, Jingwei Zhu, Yuanyuan Zhao, Yijie Chang, Nini Hao, Zhe Xin, Qiang Zhang, Cong Chen, Hao Huang, Qunwei Tang
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引用次数: 0

摘要

过氧化物太阳能电池(PSC)中的埋藏界面一直被视为提高功率转换效率和稳定性的一个突破口。然而,人们在很大程度上忽视了从传输层、埋藏夹层和过氧化物层三个方面对埋藏界面进行综合处理。在此,我们提出使用一种名为 2-噻吩乙酸(TPA)的挥发性杂环化合物作为预埋添加剂,通过原位自下而上的渗透扩散策略,实现埋藏界面的跨层全表面缺陷钝化。TPA 不仅能通过精确修复界面和底层缺陷来抑制严重的界面非辐射重组损耗,还能有效提高包晶薄膜的质量并释放包晶薄膜的残余应变。由于这种多功能性,TPA 定制的 CsPbBr3 PSCs 的效率达到了创纪录的 11.23%,并增强了长期稳定性。利用 TPA 操纵埋藏界面的这一突破为进一步提高 PSC 的性能和可靠性开辟了新的途径。
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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Cross-layer all-interface defect passivation with pre-buried additive toward efficient all-inorganic perovskite solar cells

The buried interface in the perovskite solar cell (PSC) has been regarded as a breakthrough to boost the power conversion efficiency and stability. However, a comprehensive manipulation of the buried interface in terms of the transport layer, buried interlayer, and perovskite layer has been largely overlooked. Herein, we propose the use of a volatile heterocyclic compound called 2-thiopheneacetic acid (TPA) as a pre-buried additive in the buried interface to achieve cross-layer all-interface defect passivation through an in situ bottom-up infiltration diffusion strategy. TPA not only suppresses the serious interfacial nonradiative recombination losses by precisely healing the interfacial and underlying defects but also effectively enhances the quality of perovskite film and releases the residual strain of perovskite film. Owing to this versatility, TPA-tailored CsPbBr3 PSCs deliver a record efficiency of 11.23% with enhanced long-term stability. This breakthrough in manipulating the buried interface using TPA opens new avenues for further improving the performance and reliability of PSC.

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来源期刊
Carbon Energy
Carbon Energy Multiple-
CiteScore
25.70
自引率
10.70%
发文量
116
审稿时长
4 weeks
期刊介绍: Carbon Energy is an international journal that focuses on cutting-edge energy technology involving carbon utilization and carbon emission control. It provides a platform for researchers to communicate their findings and critical opinions and aims to bring together the communities of advanced material and energy. The journal covers a broad range of energy technologies, including energy storage, photocatalysis, electrocatalysis, photoelectrocatalysis, and thermocatalysis. It covers all forms of energy, from conventional electric and thermal energy to those that catalyze chemical and biological transformations. Additionally, Carbon Energy promotes new technologies for controlling carbon emissions and the green production of carbon materials. The journal welcomes innovative interdisciplinary research with wide impact. It is indexed in various databases, including Advanced Technologies & Aerospace Collection/Database, Biological Science Collection/Database, CAS, DOAJ, Environmental Science Collection/Database, Web of Science and Technology Collection.
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Issue Information Cover Image, Volume 6, Number 10, October 2024 Back Cover Image, Volume 6, Number 10, October 2024 Interface and doping engineering of V2C-MXene-based electrocatalysts for enhanced electrocatalysis of overall water splitting Issue Information
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