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physics.app-ph2024
Ultrafast cascade charge transfer in multi bandgap colloidal quantum dot solids enables threshold reduction for optical gain and stimulated emission
Nima Taghipour, Mariona Dalmases, Guy Luke Whitworth +2
Achieving low-threshold infrared stimulated emission in solution-processed quantum dots is critical to enable real-life application including photonic integrated circuits (PICs), L…
physics.app-ph2022
Hybrid 2D-QD MoS2 PbSe Quantum Dot Broadband Photodetectors with High-Sensitivity and Room-Temperature Operation at 2.5 μm
Biswajit Kundu, Onur Özdemir, Mariona Dalmases +2
Broadband infrared photodetectors have profound importance in diverse applications including security, gas sensing, bioimaging, spectroscopy for food quality, and recycling, just t…
physics.app-ph2019
On the Origin of Below-Bandgap Turn-On Voltage in LEDs and High VOC in Solar Cells comprising Colloidal Quantum Dots with Engineered Density of States
Santanu Pradhan, Mariona Dalmases, Gerasimos Konstantatos
The turn-on voltage of an LED is an important parameter as it determined the power consumption of the LED and influences the effective power conversion efficiency.