The results of studies of the influence of the thicknesses of the electron-blocking, hole-conducting and recombination layers on the luminance-voltage and other electrophysical characteristics of a multilayer light-emitting diode with an active layer based on semiconductor quantum dots are presented. Optimized thicknesses and voltages are determined to achieve the maximum efficiency of electroluminescence of the light-emitting diode. Keywords: quantum dots, light-emitting diode, blocking layer.
A Monte Carlo simulation of the charge carrier mobility in a polymer layer with a thickness of about 100 nm, containing both nanosized crystallites and disordered (amorphous) regions, has been carried out. The mobility has a maximum at a certain energy depth of crystallites. The mobility increases along with an increase in the fraction of crystallites and can exceed its value for the case of disordered material by several orders of magnitude.. Keywords: disordered polymers, thin polymer layer morphology.
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