OP6168 Lead(II) Bromide (CAS No. 10031-22-8)

Lead(II) Bromide Description

Lead(II) Bromide (_PbBr2) is an inorganic compound consisting of lead in the +2 oxidation state and bromine. It appears as a white or colourless crystalline solid, which is poorly soluble in water. Lead(II) bromide is commonly used in various chemical and industrial applications, particularly in the formation of perovskite materials for solar cells and optoelectronic devices.

Lead(II) Bromide Specification

Lead(II) Bromide Applications

• Perovskite Solar Cells: Lead(II) bromide is a crucial precursor in the production of perovskite materials such as methylammonium lead bromide (MAPbBr₃) and formamidinium lead bromide (FAPbBr₃). These materials are employed in tandem solar cells and optoelectronic devices, improving light absorption and conversion efficiency.
• Light Emitting Diodes (LEDs): Lead(II) bromide is also utilised in the synthesis of perovskite-based LEDs (PeLEDs), which exhibit efficient light emission, particularly in the green light spectrum.
• Laboratory Reagent: PbBr₂ serves as a reagent in various chemical reactions, including the synthesis of other lead-containing compounds and in research for new materials.
• Photographic Processes: Historically, Lead(II) bromide was used in certain photographic processes, although its application has declined with advancements in digital imaging techniques.

Lead(II) Bromide Packaging

Our Lead(II) Bromide is handled with care during storage and transport to maintain the product's quality in its original condition.

10g/Glass Bottle, or custom options available.

FAQs

Q1: Why is Lead(II) bromide used in perovskite solar cells?

Answer: PbBr₂ is used in perovskite solar cells to produce lead halide perovskite materials such as MAPbBr₃ and FAPbBr₃. These materials exhibit excellent light absorption and charge carrier mobility, thereby increasing the efficiency of solar cells. The bromide variant, with its larger bandgap, is particularly suitable for tandem solar cells.

Q2: How should Lead(II) bromide be stored?

Answer: PbBr₂ should be stored in a cool, dry place, away from moisture and heat. It is important to keep it in airtight containers to prevent degradation, especially when it is intended for the synthesis of perovskite materials.

Q3: Can Lead(II) bromide in perovskites be replaced with less toxic materials?

Answer: Yes, research is ongoing for lead-free alternatives for perovskite solar cells, such as Tin (Sn) or Bismuth (Bi) compounds, although they have not yet achieved the same efficiency as lead-based perovskites. Despite the availability of alternatives, PbBr₂ remains the standard for high-performance perovskite materials due to its superior optoelectronic properties.