Enhanced interface adhesion with a polymeric hole transporter enabling high-performance air-processed perovskite solar cells†

IF 32.4 1区 材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Yu Zhao, Yangyang Liu, Zhijun Ren, Yiran Li, Yaoyao Zhang, Fan-Cheng Kong, Tianxiao Liu, Xiaoyu Shi, Yunjie Dou, Lingyuan Wang, Feifei Wang, Xiangliang Guo, Yi Cao, Wei Wang, Philip C. Y. Chow and Shangshang Chen
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Abstract

Strong adhesion between the hole transport layer and transparent conductive oxide is crucial for efficient charge transport and interface stability of inverted perovskite solar cells (PSCs). This study demonstrates a significant improvement in interface adhesion achieved through rational hole transporter design. We design poly-DCPA, a novel polymeric hole transporter exhibiting over four-fold enhancement in adhesion compared to the self-assembled monolayer (SAM) counterpart called DCPA. Poly-DCPA also shows superior conductivity and improved uniformity, enabling blade-coated PSCs fabricated under ambient conditions to achieve a remarkable power conversion efficiency of 24.9%. This surpasses the performance of PSCs using the DCPA SAM as the hole-transporting layer. Furthermore, poly-DCPA-based PSCs exhibit excellent stability, retaining 94% of the initial PCE after over 900 hours of light soaking at 85 °C. This work presents a promising strategy for designing hole transporters with enhanced interface adhesion, paving the way for highly efficient and stable PSCs.

Abstract Image

增强的界面附着力与聚合物空穴传输使高性能空气处理钙钛矿太阳能电池
空穴传输层与透明导电氧化物之间的强粘附是保证倒钙钛矿太阳能电池高效电荷传输和界面稳定性的关键。该研究表明,通过合理的空穴传输体设计,界面附着力得到了显著改善。我们设计了Poly-DCPA,一种新型的聚合物空穴传输体,与自组装单层(SAM)的DCPA相比,其附着力增强了四倍以上。Poly-DCPA还表现出优异的导电性和均匀性,使在环境条件下制造的叶片涂层psc能够实现24.9%的功率转换效率。这超过了使用DCPA SAM作为空穴传输层的psc的性能。此外,poly - dppa基PSCs表现出优异的稳定性,在85℃的光照下浸泡900多个小时后,仍能保持94%的初始PCE。这项工作为设计具有增强界面粘附性的空穴传输子提供了一种有前途的策略,为高效稳定的psc铺平了道路。
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来源期刊
Energy & Environmental Science
Energy & Environmental Science 化学-工程:化工
CiteScore
50.50
自引率
2.20%
发文量
349
审稿时长
2.2 months
期刊介绍: Energy & Environmental Science, a peer-reviewed scientific journal, publishes original research and review articles covering interdisciplinary topics in the (bio)chemical and (bio)physical sciences, as well as chemical engineering disciplines. Published monthly by the Royal Society of Chemistry (RSC), a not-for-profit publisher, Energy & Environmental Science is recognized as a leading journal. It boasts an impressive impact factor of 8.500 as of 2009, ranking 8th among 140 journals in the category "Chemistry, Multidisciplinary," second among 71 journals in "Energy & Fuels," second among 128 journals in "Engineering, Chemical," and first among 181 scientific journals in "Environmental Sciences." Energy & Environmental Science publishes various types of articles, including Research Papers (original scientific work), Review Articles, Perspectives, and Minireviews (feature review-type articles of broad interest), Communications (original scientific work of an urgent nature), Opinions (personal, often speculative viewpoints or hypotheses on current topics), and Analysis Articles (in-depth examination of energy-related issues).
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