), making it closer to the ideal Schockley-Queisser limit for single-junction solar cells. FAPbI3FAPbI sub 3
octahedral cage, it often exhibits rotational disorder at room temperature. Consequently, experimental CIF files derived from X-ray diffraction frequently show split-site positions or partial occupancies for the organic
is a highly prized hybrid organic-inorganic perovskite material used in high-efficiency solar cells. A CIF file (Crystallographic Information File) for FAPbI3FAPbI sub 3
The _atom_site_B_iso_or_equiv values (in Ų) indicate atomic vibration:
Maintained by the CCDC, this database contains comprehensive entries for organic and organometallic compounds, including hybrid perovskites.
: The framework consists of corner-sharing lead iodide octahedra. The bond lengths are typically around Phase Transition : The "yellow"
This is the highest symmetry cubic space group. It implies that the PbI₆ octahedra are perfectly aligned with no tilting. The CIF includes a loop_ of symmetry operations that generate the entire crystal from the asymmetric unit.
Many research groups host their specific DFT-relaxed structures on platforms like WMD-group Hybrid Perovskites on GitHub , which provides the raw fractional coordinates for cubic FAPbI
Finding the right fapbi3 cif file is the first and critical step in accurately modeling this high-performance perovskite. Whether you choose a high-temperature experimental structure from the COD, an optimized DFT structure from a GitHub repository, or a commercial file from the ICSD, you must always verify the phase (α vs. δ) and the atomic occupancy to avoid serious errors.
In the realm of chemistry and materials science, the Crystallographic Information File (CIF) format has emerged as a standard for representing and exchanging crystallographic data. Among the various CIF files used in these fields, the FAPBI3 CIF file holds significant importance. This article aims to provide a detailed understanding of FAPBI3 CIF files, their structure, and their applications.
eV, making it the "Goldilocks" material for single-junction solar cells. Quick Usage Tips
) is one of the most promising materials for next-generation, high-efficiency perovskite solar cells (PSCs).
FAPbI₃ (formamidinium lead iodide) is a hybrid organic-inorganic perovskite with the chemical formula HC(NH₂)₂PbI₃. It is a promising light-absorbing material in high-efficiency perovskite solar cells (PSCs) due to its optimal band gap (~1.48 eV) and excellent thermal stability compared to its methylammonium counterpart (MAPbI₃).