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Updated: Jun 29, 2025
Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
Published on: February 27, 2017
Crystallization Kinetics of Perovskite Films by a Green Mixture Antisolvent for Efficient NiO-Based Inverted Solar
Zigan Yang1, Jiahui Wei1, Jianzha Zheng1
1Institute of New Energy Technology, College of Physics and Optoelectronic Engineering, Jinan University, Guangzhou 510632, China.
Abstract:
Environment-friendly antisolvents are critical for obtaining highly efficient, reproducible, and sustainable perovskite solar cells (PSCs). Here, we introduced a green mixture antisolvent of ethyl acetate-isopropanol (EA/IPA) to finely regulate the crystal grain growth and related film properties, including the morphology, crystal structure, and chemical composition of the perovskite thin film. The IPA with suitable content in EA plays a key role in achieving a smooth and compact high-quality perovskite thin film, leading to the suppression of film defect-induced nonradiative recombination. As a result, the PSCs based on the EA/IPA (5:1) antisolvent showed a power conversion efficiency of 22.9% with an open-circuit voltage of 1.17 V.
