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17 papers
Optically Excited Two-Band Amplified Spontaneous Emission from a High-Current-Density Quantum-Dot LED
Namyoung Ahn, Young-Shin Park, Clément Livache +2
Laser diodes based on solution-processable materials could benefit numerous technologies including integrated electronics and photonics, telecommunication, and medical diagnostics.…
Transient Spectroscopy of Glass-Embedded Perovskite Quantum Dots: Novel Structures in an Old Wrapping
Oleg V. Kozlov, Rohan Singh, Bing Ai +3
Semiconductor doped glasses had been used by the research and engineering communities as color filters or saturable absorbers well before it was realized that their optical propert…
Direct Measurements of Magnetic Polarons in CdMnSe Nanocrystals from Resonant Photoluminescence
W. D. Rice, W. Liu, V. Pinchetti +3
In semiconductors, quantum confinement can greatly enhance the interaction between band carriers (electrons and holes) and dopant atoms. One manifestation of this enhancement is th…
The influence of Auger recombination on the performance of quantum-dot light-emitting diodes
Wan Ki Bae, Young-Shin Park, Jaehoon Lim +7
A growing interest in colloidal quantum dot (QD) based light-emitting diodes (QD-LEDs) has been motivated by the exceptional color purity and spectral tunability of QD emission as…
Influence of the Core/Shell Interface on Biexciton Auger Recombination in Individual Nanocrystal Quantum Dots
Young-Shin Park, Wan Ki Bae, Lazaro A. Padilha +2
Previous single-particle spectroscopic studies of colloidal quantum dots have indicated a significant spread in biexciton lifetimes across an ensemble of nominally identical nanocr…
Spin-polarized Mn emission from Manganese-doped colloidal nanocrystals
R. Viswanatha, J. M. Pietryga, V. I. Klimov +1
We report magneto-photoluminescence studies of strongly quantum-confined "0-D" diluted magnetic semiconductors (DMS), realized in Mn-doped ZnSe/CdSe core/shell colloidal nan…