OP6167 Methylammonium Bromide (CAS No. 6876-37-5)

Methylammonium Bromide Description

Methylammonium Bromide (MABr) is an organic salt with the chemical formula CH₃NH₃Br. It consists of a methylammonium cation (CH₃NH₃⁺) and a bromide anion (Br-). MABr is primarily used in the production of perovskite materials, which are employed in solar cells, light-emitting diodes (LEDs), and other optoelectronic devices.

Methylammonium Bromide Specification

Methylammonium Bromide Applications

• Perovskite solar cells: MAI is a key precursor in the formation of methylammonium lead iodide (CH₃NH₃PbI₃ or MAPbI₃), a perovskite material frequently used as an absorber layer in perovskite solar cells due to its superior photovoltaic properties.
• Light-emitting diodes (LEDs): MAI is also utilized in the manufacturing of perovskite-based LEDs (PeLEDs), which exhibit efficient light-emission properties.
• Photodetectors and lasers: Perovskites based on MAI find application in various other optoelectronic devices such as photodetectors and lasers, attributed to their tunable optical properties.

Methylammonium Bromide Packaging

Our Methylammonium Bromide undergoes careful handling during storage and transport to preserve the quality of our product in its original condition.

10g/glass bottle, or custom sizes.

FAQs

Q1: What role does Methylammonium Bromide play in perovskite solar cells?

Answer: MABr is used to form methylammonium lead bromide (MAPbBr₃), a type of perovskite material with a higher bandgap (~2.2 eV). This feature makes it suitable for tandem solar cells and other applications requiring materials with larger bandgaps for improved light absorption and conversion efficiency.

Q2: What advantages does the use of perovskites based on Methylammonium Bromide offer?

Answer: Perovskites based on MABr provide several advantages:

• Larger bandgap: MAPbBr₃ possesses a larger bandgap than iodine-based perovskites, making it useful for tandem solar cells.
• High efficiency: MABr contributes to the production of perovskite materials with excellent optoelectronic properties, including efficient light absorption and emission.
• Application in LEDs: MABr-based perovskites are also used in light-emitting diodes (LEDs), where they exhibit strong green light emission.

Q3: What is the difference between Methylammonium Bromide and Methylammonium Iodide in perovskites?

Answer: Methylammonium Bromide (MABr) forms perovskites with a higher bandgap (~2.2 eV for MAPbBr₃) compared to Methylammonium Iodide (MAI), which forms perovskites with a lower bandgap (~1.55 eV for MAPbI₃). This quality makes MABr more suitable for tandem solar cells and optoelectronic devices that require green light emission, whereas MAI is typically used for solar cells with a transition.