DataVXACS Energy LettersPaper
journal article·2025-04-11

Suppressing Ion Migration through Dual Interface Engineering toward Efficient and Stable Perovskite Solar Modules

Zhi Wan, Can Li, Chunmei Jia, Jie Su, Zhihao Li, Yankai Chen, Feiwen Rao, Fangfang Cao, Jiayi Xue, Jishan Shi, Rui Meng, Shangchen Zhang, Liming Du, Yichen Li, Chongyang Zhi, Xian-Zong Wang, Chuanxiao Xiao, Zhen Li

ACS Energy Letters· Volume 10· Issue 4
Publisher page
Source abstract

Abstract

Ion migration poses a significant challenge to the stability of perovskite solar cells and also causes a large stability disparity between small devices and large-area modules (PSMs). Here, we developed a dual interface engineering strategy to suppress ion migration in PSMs. Incorporation of Nd 2 O 3 on SnO 2 reduces lattice mismatch, reducing residual strain and suppressing ion migration in perovskite films. Meanwhile, a VO x diffusion barrier layer was employed to mitigate ion diffusion across the electrode interface and prevent electrode corrosion. This combined strategy achieved a high power conversion efficiency (PCE) of 26.22% for small-area PSCs (0.045 cm 2 ) and 89% PCE retention under continuous illumination for 2000 h. Notably, PSM achieved a state-of-the-art efficiency of 22.10%, retaining over 90% of its initial efficiency under continuous illumination for 1600 h. Our work offers an effective strategy to enhance the stability of PSMs and provides deeper insights into the influences of the interface on the ion migration.
Source: openalex_inverted_index · Quality: baseline

Research context

Metals & alloysElectronic materials

OpenAlex topics: Perovskite Materials and Applications · Advanced Memory and Neural Computing · Transition Metal Oxide Nanomaterials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering

Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU)

School of Microelectronics, State Key Laboratory of Wide Bandgap Semiconductor Devices and Integrated Technology, Advanced Interdisciplinary Research Center for Flexible Electronics

Xidian University

Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences

Center of Advanced Lubrication and Seal Materials

Northwestern Polytechnical University

Ningbo New Materials Testing and Evaluation Center CO., Ltd

Funding

Fundamental Research Funds for the Central Universities · National Natural Science Foundation of China · Shaanxi Laboratory of Aerospace Power

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