Photo- and electroluminescence from semiconductor colloidal quantum dots in organic matrices: QD-OLED

• Published in: Semiconductors (Woodbury, N.Y.) Vol. 47; no. 12; pp. 1567 - 1569
• Main Authors: Vitukhnovskii, A. G., Vaschenko, A. A., Bychkovskii, D. N., Dirin, D. N., Tananaev, P. N., Vakshtein, M. S., Korzhonov, D. A.
• Format: Journal Article
• Language: English
• Published: Boston Springer US 01-12-2013; Springer
• Subjects: 2013 (Continuation); CADMIUM SELENIDES; CADMIUM SULFIDES; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; EFFICIENCY; ELECTRIC POTENTIAL; ELECTROLUMINESCENCE; LIGHT EMITTING DIODES; Magnetic Materials; Magnetism; March; MATERIALS SCIENCE; NANOSCIENCE AND NANOTECHNOLOGY; Nizhni Novgorod; Optoelectronics industry; Physics; Physics and Astronomy; QUANTUM DOTS; SEMICONDUCTOR MATERIALS; Symposium “Nanophysics and Nanoelectronics”; ZINC SULFIDES; Organic Light; Electronic Excitation Energy Transfer; Transmis Sion Electron Microscopy; Excitation Energy Transfer; CdSe Core
• ISSN: 1063-7826; 1090-6479
• DOI: 10.1134/S1063782613120208

The results are reported of an experimental study of samples of organic light-emitting diodes (OLEDs) with luminescent layers fabricated on the basis of two types of CdSe/CdS/ZnS semiconductor quantum dots (QDs) with average CdSe core diameters of 3.2 and 4.1 nm and the same overall diameters of 6.5 nm. The dependences of the LED efficiency on the applied voltage are determined. Assumptions are made about ways of optimizing the design of high-efficiency LEDs.