Interfacial Crosslinking for Efficient and Stable Planar TiO₂ Perovskite Solar Cells.

ABSTRACT: The buried interface between the electron transport layer (ETL) and the perovskite layer plays a crucial role in enhancing the power conversion efficiency (PCE) and stability of n-i-p type perovskite solar cells (PSCs). In this study, the interface between the chemical bath deposited (CBD) titanium oxide (TiO₂) ETL and the perovskite layer using multi-functional potassium trifluoromethyl sulfonate (SK) is modified. Structural and elemental analyses reveal that the trifluoromethyl sulfonate serves as a crosslinker between the TiO₂ and the perovskite layer, thus improving the adhesion of the perovskite to the TiO₂ ETL through strong bonding of the ─CF₃ and ─SO₃ ^- terminal groups. Furthermore, the multi-functional modifiers red

SUBMITTER: Duan L 

PROVIDER: S-EPMC11434036 | biostudies-literature | 2024 Sep

REPOSITORIES: biostudies-literature