In the rapidly evolving field of photovoltaics, Formamidinium Lead Iodide (FAPbI₃) has emerged as the gold standard light-absorbing layer for high-efficiency perovskite solar cells (PSCs), boasting certified power conversion efficiencies exceeding 26%.
can be accessed through academic repositories and open databases: Description Crystallography Open Database (COD) A standard repository for experimental crystal structures. Materials Project fapbi3 cif file
primarily exists in two major polymorphs at room temperature: the photoactive -phase (black) and the non-perovskite -phase (yellow). Decoding FAPbI₃: A Deep Dive into the CIF
She clicked "Export CIF."
FAPbI₃ is polymorphic, meaning it exists in different crystal structures depending on temperature and stability conditions. Common Name Crystal System Space Group Lattice Constant ( -phase Black Perovskite ≈6.36is approximately equal to 6.36 She clicked "Export CIF
Conclusion
is highly polymorphic, meaning it can exist in several structural arrangements depending on temperature and stability: ) Phase (Black Phase): Structure: High-temperature cubic perovskite ResearchGate Space Group: Commonly assigned to Duke University Lattice Parameter: Approximately ResearchGate