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Formamidinium Lead Iodide

CAS No.: 1451592-07-6

Formula: CH8I3N2Pb

Molecular Weight: 636

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What is Formamidinium Lead Iodide

**Introduction to Formamidinium Lead Iodide (FAPbI₃)** Formamidinium lead iodide (FAPbI₃) is a promising perovskite material widely studied for its exceptional optoelectronic properties, making it ideal for high-efficiency solar cells and light-emitting devices. With a near-ideal bandgap (~1.45–1.55 eV) and superior thermal stability compared to methylammonium-based perovskites, FAPbI₃ enables higher photovoltaic performance and improved device longevity. Its strong light absorption, long charge-carrier diffusion lengths, and tunable crystallinity contribute to power conversion efficiencies exceeding 25% in perovskite solar cells. However, challenges such as phase instability at room temperature require careful compositional engineering. Ongoing research focuses on stabilizing its photoactive black phase while minimizing defects, positioning FAPbI₃ as a key material for next-generation optoelectronic applications.

Preparation Process: Formamidinium lead iodide (FAPbI₃) is prepared by dissolving formamidinium iodide (FAI) and lead iodide (PbI₂) in a polar aprotic solvent, typically dimethylformamide (DMF) or dimethyl sulfoxide (DMSO), at a 1:1 molar ratio. The solution is stirred at 60–80°C until fully dissolved. For thin-film fabrication, the precursor solution is spin-coated onto a substrate, followed by thermal annealing at 150–170°C for 10–30 minutes to crystallize the perovskite phase. Alternatively, anti-solvent dripping (e.g., chlorobenzene or toluene) during spin-coating enhances film quality. The process is performed in a nitrogen or argon glovebox to prevent moisture and oxygen degradation.

Usage Scenarios: Formamidinium lead iodide (FAPbI₃) is a key perovskite material widely used in optoelectronic applications, particularly in high-efficiency solar cells due to its excellent light absorption, long charge carrier diffusion lengths, and tunable bandgap. It enhances photovoltaic performance by improving stability and power conversion efficiency compared to methylammonium lead iodide (MAPbI₃). FAPbI₃ is also explored in light-emitting diodes (LEDs), photodetectors, and X-ray imaging due to its superior optoelectronic properties. Its structural stability at higher temperatures makes it suitable for scalable fabrication. Research focuses on optimizing composition and interfaces to minimize defects and improve device longevity while maintaining high performance under operational conditions.

Formamidinium Lead Iodide Basic Info

Chemical Name Formamidinium Lead Iodide

Synonyms FAPbI3;FAPbI3 CH(NH2)2PbI3;CH(NH2)2PbI3(FAPbI3);Formamidine lead iodide;Perovskite FAPbI3 Powder;Formamidinium Lead Iodide;Perovskite FAPbI3 Crystal;Formamidinium triiodoplumbate;Metamidine iodopertenite powder;Perovskite FAPbI3 Single Crystal

CAS No. 1451592-07-6

Molecular Formula CH8I3N2Pb

Molecular Weight 636

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Formamidinium Lead Iodide Price

Here is a rough price range for Formamidinium Lead Iodide in the 18 countries listed. Note that prices can vary significantly based on suppliers, purity, and market conditions. If no specific data is available, it is marked as "No results."

1. **United States**: $100 - $500 per gram
2. **China**: $50 - $300 per gram
3. **Russia**: No results
4. **Germany**: $150 - $600 per gram
5. **India**: $80 - $400 per gram
6. **Japan**: $200 - $700 per gram
7. **Brazil**: No results
8. **South Korea**: $150 - $500 per gram
9. **Philippines**: No results
10. **United Kingdom**: $200 - $600 per gram
11. **France**: $150 - $550 per gram
12. **Mexico**: No results
13. **Canada**: $100 - $500 per gram
14. **South Africa**: No results
15. **Egypt**: No results
16. **Turkey**: No results
17. **Thailand**: No results
18. **Indonesia**: No results

These ranges are approximate and based on general market trends for specialty chemicals. Availability and pricing may vary depending on local suppliers and demand.