彭军教授及其合作者在Adv. Mater.上发表论文

作者：

Le Li¹, Jianjun Xu¹, Lei Fang², Zewu Feng¹, Hailong Huang¹, Yanbo Wang¹, Yansen Guo¹, Shuilong Kang¹, Hui Wang¹, Yujie Han¹, Yi Ji¹, Huanyu Zhang¹, Yong Ding³*, Mohammad Khaja Nazeeruddin⁴*, Bin Ding⁵*, Xiaohong Zhang¹, and Jun Peng¹*

单位：

¹Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, 215123 China

²Shanghai Key Lab of Chemical Assessment and Sustainability School of Chemical Science and Engineering, Tongji University, Shanghai 200092, China

³School of Renewable Energy, Hohai University, Nanjing, 210024 China

⁴Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, CH-1015 Switzerland

⁵College of ChemistryChemical Engineering and Materials Science, Soochow University Suzhou 215123, China

摘要：

In n-i-p planar perovskite solar cells (PSCs), the electron transport layer (ETL)and the hole transporting layer play a crucial role in realizing high power con-version efficiency (PCE). Herein, a TiO₂ -SDBA-SnO₂ stacked ETL is reported,where 4,4′-sulfonyldibenzoic acid (SDBA) serves as an active passivation agentto suppress charge recombination and enhance interface quality. SDBA ef-fectively passivates oxygen vacancies in sputtered TiO₂ , while simultaneouslypromoting SnO₂ nucleation and improving film quality. Moreover, its molecularstructure increases the surface free energy of the ETL, facilitating the formationof high-quality perovskite films with larger grain sizes and fewer defects. Asa result, PSCs with this optimized ETL achieve a PCE of 25.94% with excellentstability. This approach also enables the fabrication of perovskite solarmodules with a certified efficiency of 22.55% over a 26.02 cm² aperture area.

影响因子：

27.4

分区情况：

一区

链接：

https://doi.org/10.1002/adma.202503903