No/VOL: 09/2022 Page no. 220
Authors: Monika Pokladko-Kowar , Katarzyna Wojtasik :
Title: Organic light-emitting diodes based on pyrazoloquinoxaline derivatives
Abstract: Pyrazoloquinoxaline derivatives (A-PQX) have been studied for applications in organic light emitting diodes (OLEDs). Single-layer OLEDs with the structure: ITO/PEDOT:PSS/PVK+A-PQX/Ca/Al were built. Parameters characteristic for OLED were determined. The absorption, photoluminescent and electroluminescent spectra were measured. The maximum luminescence obtained for these structures was 884 cd/m2 for a diode based on 7-N,N-diethyl-3-methyl-1-phenyl-1H-pyrazolo[3,4-b]quinoxaline (7A-PQX).
Key words: organic light emitting diodes, OLED, absorption, electroluminescence, photoluminescence.