Regulating crystallization kinetics in high-performance perovskites solar modules via vapor seed layer engineering

IF 13.3 1区工程技术 Q1 ENGINEERING, CHEMICAL

Chemical Engineering Journal Pub Date : 2025-03-16 DOI:10.1016/j.cej.2025.161632

Juan Zhang, Bingchen He, Jin Huang, Lin Yang, Yian Ding, Wenjun Zhang, Yukun Guo, Lei Shi, Abuliti Abudula, Weizhi Du, Xiaogang Hao, Xiaofei Ji, Liyou Yang, Guoqing Guan, Linfeng Lu, Zhenhuang Su, Xingyu Gao

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引用次数: 0

Abstract

Large-area fabrication of α-FAPbI₃ perovskite solar modules (PSMs) faces challenges in achieving uniform crystallinity and minimizing grain boundary defects. Herenin, a CsPbBr₃ seed layer was introduced onto the NiOx hole transport layer (HTL) via vacuum evaporation prior to perovskite film deposition using a vapor-blade coating method. Synchrotron-based in situ GIWAXS analysis revealed that the CsPbBr₃ seed layer effectively modulates the crystallization kinetics of PbI₂, facilitating the transition from δ-phase to α-phase perovskite and yielding films with superior crystallinity, grain size, and structural orientation. This seed layer also enhances the conductivity of NiOx, improves charge transport efficiency, and reduces recombination losses. As a result, large-area PSMs (active area: 61.56 cm²) incorporating the CsPbBr₃ seed layer achieved a power conversion efficiency (PCE) of 20.02 %, compared to 17.62 % for pristine devices. Additionally, these encapsulated modules exhibited excellent ambient stability, maintaining over 80 % of their initial performance after 1100 h under 60 % relative humidity. This study highlights the potential of CsPbBr₃ seed layer engineering as a scalable and effective strategy for industrial production of high-efficiency, stable perovskite solar modules

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通过蒸汽种子层工程调节高性能过氧化物太阳能模块的结晶动力学

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来源期刊

Chemical Engineering Journal 工程技术-工程：化工

CiteScore

21.70

自引率

9.30%

发文量

6781

审稿时长

2.4 months

期刊介绍： The Chemical Engineering Journal is an international research journal that invites contributions of original and novel fundamental research. It aims to provide an international platform for presenting original fundamental research, interpretative reviews, and discussions on new developments in chemical engineering. The journal welcomes papers that describe novel theory and its practical application, as well as those that demonstrate the transfer of techniques from other disciplines. It also welcomes reports on carefully conducted experimental work that is soundly interpreted. The main focus of the journal is on original and rigorous research results that have broad significance. The Catalysis section within the Chemical Engineering Journal focuses specifically on Experimental and Theoretical studies in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. These studies have industrial impact on various sectors such as chemicals, energy, materials, foods, healthcare, and environmental protection.