We report a bright and color-saturated blue light-emitting-diode based on colloidal core/shell-CdS/ZnS quantum-dots. Broad-band, long-wavelength emission from the deep-traps in QDs is, for the first time, minimized to less than 5% of the total emission.
© 2008 Optical Society of America
(230.0230) Optical devices : Optical devices
(230.3670) Optical devices : Light-emitting diodes
(250.0250) Optoelectronics : Optoelectronics
(250.5590) Optoelectronics : Quantum-well, -wire and -dot devices
Z. Tan, F. Zhang, T. Zhu, J. Xu, S. E. Mohoney, and J. Ruzyllo, "Bright and Color-Saturated Emission from Blue Light Emitting Diodes Based on Solution-Processed Colloidal Nanocrystal Quantum Dots," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper JThA69.
References are not available for this paper.