QDot™ Perovskite Cs4PbBr6 powder is a composite material that contains Perovskite CsPbBr3 Quantum Dots that have been embedded into a transparent Cs4PbBr6 matrix, known as a zero-dimensional perovskite phase. The optical properties are similar to those of CsPbBr3 QDs (emission peak 515 nm, FWHM<25 nm, PLQY up to 70-80 %), but because these nanoparticles are encapsulated with Cs4PbBr6 phase, they show exceptional stability. This makes QDot™ Perovskite Cs4PbBr6 powder very promising for light conversion technologies, for example as a remote phosphor for lighting applications. This material is in powdered form, with μm size particles.
QDot™ Perovskite Cs4PbBr6 powder is chemically robust, and can withstand temperatures up to 180 °C in air for several hours. Because of the encapsulation matrix, 4-5 times more concentration of the material is required than genuine CsPbBr3 QDs to achieve the same light intensity. QDot™ Perovskite Cs4PbBr6 powder has the following advantages:
- Highly efficient and stable luminescence powder materials for photoluminescence applications.
- Bright green luminescent colour (515 nm), narrow luminescence band (FWHM < 25 nm) and high photoluminescence quantum yield (PLQY is up to 70-80 %) in powder form.
- High thermal stability
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