DataVXAdvanced Energy MaterialsPaper
journal article·2021-07Open access

Water Stable Haloplumbate Modulation for Efficient and Stable Hybrid Perovskite Photovoltaics

Huanhuan Wang, Zhuang Zhang, Jovana V. Milić, Liguo Tan, Zaiwei Wang, Rong Chen, Xin Jing, Chenyi Yi, Yi Ding, Yuelong Li, Ying Zhao, Xiaodan Zhang, Anders Hagfeldt, Michael Grätzel, Jingshan Luo

Advanced Energy Materials· Volume 11· Issue 25
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Source abstract

Abstract

Abstract The commercialization of perovskite solar cells is mainly limited by their operational stability. Interlayer modification by thin interface materials between the perovskite and the charge transport layers is one of the most effective methods to promote the efficiency and stability of perovskite devices. However, the commonly used interlayer materials do not fulfill all the demands, including good film quality, excellent stability, and passivation capability without interfering with the charge transport. In this work, a water stable haloplumbate [TBA]PbI 3 for interfacial modification that meets these demands is proposed, which is formed on the perovskite surface in situ by tetra ‐butylammonium iodide treatment. Benefiting from its passivation effect and robustness, the modified devices result in a power conversion efficiency of 22.90% with enhanced environmental and operational stability. In addition, the self‐limiting effect of the reaction contributes to the controllability of device fabrication and the repeatability of device performance.
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Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Quantum Dots Synthesis And Properties · Advanced Photocatalysis Techniques

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

Affiliations

Institute of Photoelectronic Thin Film Devices and Technology Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin Ministry of Education Engineering Research Center of Thin Film Photoelectronic Technology Renewable Energy Conversion and Storage Center Nankai University Tianjin 300350 China

Laboratory of Photonics and Interfaces Institute of Chemical Sciences and Engineering Ecole Polytechnique Fedérale de Lausanne (EPFL) Lausanne 1015 Switzerland

Adolphe Merkle Institute University of Fribourg Fribourg 1700 Switzerland

State Key Laboratory of Power System Department of Electrical Engineering Tsinghua University Beijing China

Laboratory of Photomolecular Science Institute of Chemical Sciences Engineering Ecole Polytechnique Fedérale de Lausanne (EPFL) Lausanne 1015 Switzerland

Funding

National Key Research and Development Program of China · National Natural Science Foundation of China · Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

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