Cesium Lead Bromide Description
Cesium Lead Bromide (CsPbBr3) is a lead halide perovskite material that has gained significant attention for its optoelectronic properties. Its chemical composition consists of cesium (Cs⁺), lead (Pb²⁺), and bromide (Br⁻) ions. It belongs to the broader family of perovskite materials and is particularly noted for its use in light-emitting diodes (LEDs), photodetectors, and solar cells.
Cesium Lead Bromide (CsPbBr₃) is a versatile and highly efficient perovskite material used in a variety of optoelectronic applications, particularly for green LEDs, photodetectors, and tandem solar cells. Despite its advantages, challenges like lead toxicity and moisture sensitivity need to be addressed for its broader commercialization.
Cesium Lead Bromide Specification
Appearance
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Orange powder
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CAS No.
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15243-48-8
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Chemical Formula
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CsPbBr3
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Molecular Weight
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579.8
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Purity
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≥99%
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Cesium Lead Bromide Applications
- Perovskite LEDs (PeLEDs): CsPbBr₃ is primarily used in green light-emitting diodes due to its strong photoluminescence.
- Solar Cells: It is used in tandem solar cells, where its high band gap allows it to capture the higher-energy portion of the solar spectrum.
- Photodetectors: CsPbBr₃ is used in devices designed to detect light due to its high light absorption and fast charge transport properties.
Cesium Lead Bromide Packing
Our Cesium Lead Bromide is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
1g, or as required in glass bottle.
FAQs
Q1: What is Cesium Lead Bromide (CsPbBr₃)?
Answer: Cesium Lead Bromide (CsPbBr₃) is an inorganic perovskite material composed of cesium (Cs⁺), lead (Pb²⁺), and bromide (Br⁻) ions. It is widely used in optoelectronic applications like light-emitting diodes (LEDs), solar cells, and photodetectors due to its strong luminescence and efficient light absorption.
Q2: What is the band gap of CsPbBr₃, and why is it important?
Answer: The band gap of CsPbBr₃ is approximately 2.3 eV, which is ideal for emitting green light. The band gap determines how efficiently the material absorbs and emits light, making it crucial for applications like LEDs and photodetectors.
Q3: How is CsPbBr₃ synthesized?
Answer: CsPbBr₃ can be synthesized using solution-based techniques like spin-coating or hot-injection methods. These methods allow the formation of thin films or nanocrystals, depending on the application.