Solar energy paper index
Regulating the Crystallization‐Defect‐Strain Improves the Stability and Scalability of FACs Perovskite Photovoltaics
One-line summary
A solar energy research paper on Regulating the Crystallization‐Defect‐Strain Improves the Stability and Scalability of FACs Perovskite Photovoltaics.
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Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
ABSTRACT Formamidinium–cesium (FACs) perovskite is thermally stable, but the rapid crystallization process generates bulk defects and residual strains. We introduce a multifunctional additive, 3‐(Trifluoromethyl)aniline hydrochloride (3TFACl), to effectively regulate the crystallization process to improve stability and scalability of perovskite solar cells (PSCs) through multiple interactions with perovskite components. Crystallization‐defect‐strain engineering is synergistically integrated during film deposition. The champion power conversion efficiency (PCE) of p–i–n PSCs and 12 cm 2 module reach 26.76% (certified 26.12%) and 22.77%, respectively. The unencapsulated devices still maintain more than 94.36% of the initial efficiency after 1500 h maximum power point tracking (MPPT) (ISOS‐L‐1I protocol) and 80.5% initial efficiency after 1000 h under 85°C (ISOS‐D‐2I protocol). This work proposes a molecular design strategy with a simple structure but high synergy to achieve efficient, stable, and scalable perovskite photovoltaic devices.
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