journal article·2025-09

Efficient Perovskite Solar Cells Made by Using a Vapor‐Assisted Hot Crystallization Method in Air

Lingjie Lv, Chuantian Zuo, Lixiu Zhang, Zuo Xiao, Qinye Bao, Chenyi Yi, Jingjing Chang, Keyou Yan, Yong Ding, Congcong Wu, Ke Jin, Hua Dong, Di Wei, Liming Ding

Small· Volume 21· Issue 38
Publisher page

Abstract

Abstract Perovskite solar cells (PSCs) achieve remarkable progress in recent years. However, their commercialization remains hindered by conventional fabrication processes that require antisolvent and prolonged annealing, which compromises scalability and cost‐effectiveness. In this study, a vapor‐assisted hot crystallization method is proposed, in which a vapor atmosphere is applied during the crystallization process to improve quality of perovskite films. The crystallization and annealing process takes less than 3 min, which is much faster than the antisolvent spin‐coating method. In addition, the method can be performed in ambient air without using antisolvent. Systematic characterization demonstrates that solvent vapor atmospheres enhance crystallinity, suppress defect formation, and promote denser growth at grain boundaries. Through synergistic modulation of vapor compositions, large‐domain, uniform, and pinhole‐free perovskite films are obtained. A power conversion efficiency (PCE) of 23.72% is achieved, which is the highest PCE for perovskite solar cells made by using hot‐crystallization method.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Perovskite Materials and Applications · Quantum Dots Synthesis And Properties · Chalcogenide Semiconductor Thin Films

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

Affiliations

Key Laboratory of Nanosystem and Hierarchical Fabrication (CAS) National Center for Nanoscience and Technology Beijing 100190 China

University of Chinese Academy of Sciences Beijing 100049 China

School of Physics and Electronic Science East China Normal University Shanghai 200241 China

State Key Laboratory of Power System Department of Electronic Engineering Tsinghua University Beijing 100084 China

School of Microelectronics Xidian University Xi'an 710071 China

School of Environment and Energy South China University of Technology Guangzhou 510000 China

School of Renewable Energy Hohai University Nanjing 210024 China

School of Material Science and Engineering Hubei University Wuhan 430062 China

School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 China

School of Electronic Science and Engineering Xi'an Jiaotong University Xi'an 710049 China

Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing 101400 China

Funding

National Key Research and Development Program of China · Natural Science Foundation of Beijing Municipality

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