Quantum Dots for X-ray Scintillation and UV Sensing

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QDot™ Perovskite ABX3 Perovskite Quantum Dots
Perovskite ABX3 Quantum Dots, oleic acid and oleylamine capped, 410-685 nm emission peaks

QDot™ SharpGreen Perovskite QDs
Perovskite Quantum Dots ABX3, 520-530 nm emission peak, enhanced durability

QDot™ SharpGreen Perovskite QDs Film
Perovskite Quantum Dots polymer film, 520-535 nm emission peak (depending on QDs loading), enhanced durability

Scintillators, which are capable of converting ionizing radiation into visible photons, are very important for such areas as: inspection, failure/cracks detection, security X-ray imaging, nuclear cameras, and computed tomography. QDot™ Perovskite Quantum Dots can be used as an efficient X-ray scintillation material. It exhibits strong luminescence (tunable in the range of 450-685 nm) under X-rays that is readable by the conventional silicon imaging camera. It is also compatible with PMT detectors, silicon photodiodes or photomultipliers.

Silicon photodiode is the most widely used commercial photodetector for a broad range of applications, from imaging to light sensors. Unfortunately, it has low responsivity and suffer in capturing UV light range (< 400 nm), due to the low penetration depth of high energy UV photons in the silicon-based materials. QDot™ Perovskite Quantum Dots can be utilized as a color-converting layer to enhance the UV light sensitivity of Si-based photodectors.

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