FAPbCl₁Br₂ Quantum Dot Solution

Description

FAPbCl₁Br₂ Quantum Dot Solution (Formamidinium Lead Chloride-Bromide Perovskite Quantum Dots)

Basic Information
CAS Number: N/A
Chemical Formula: CH₄N₂HPbCl₁Br₂
Molecular Weight: 447.52 g/mol
Purity: 99%
Appearance: Colloidal solution
Fluorescence Color: Cyan-green
Emission Peak: 508 nm
Full-Width at Half-Maximum (FWHM): 30 nm

Material Properties
Mixed Halide Perovskite Quantum Dots: FAPbCl₁Br₂ quantum dots combine chloride (Cl⁻) and bromide (Br⁻) to achieve precise bandgap tuning for cyan-green emission.
Narrow Emission Spectrum: The FWHM of 30 nm ensures relatively high color purity, making it ideal for display and optoelectronic applications.
High Photoluminescence Quantum Yield (PLQY): Exhibits bright and efficient cyan-green luminescence, crucial for light-emitting applications.
Enhanced Stability: FA-based perovskite quantum dots provide better thermal and environmental stability compared to MA-based perovskites.
Solution-Processed Nanomaterials: Easily dispersible in polar solvents, enabling scalable thin-film fabrication for devices.

Applications
Quantum Dot Light-Emitting Diodes (QLEDs):
Strong cyan-green photoluminescence makes FAPbCl₁Br₂ QDs ideal for PeLEDs, widely used in high-resolution displays and solid-state lighting.
Photodetectors & Optical Sensors:
Responsive to cyan-green light, making it suitable for high-sensitivity photodetection applications.
Quantum Dot Solar Cells (QDSCs):
Used as a light-absorbing layer in perovskite-based quantum dot photovoltaics.
Fluorescent Imaging & Bioimaging:
Potential for biomedical fluorescence imaging due to its stable cyan-green emission.
Quantum Optics & Nonlinear Photonics:
Suitable for applications in nanophotonics, quantum optics, and nonlinear optical materials.