کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | ترجمه فارسی | نسخه تمام متن |
---|---|---|---|---|---|
1253982 | 971320 | 2016 | 5 صفحه PDF | سفارش دهید | دانلود رایگان |
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A metal-free purple H2Pc single crystal was synthesized by a facile solvothermal method, and its solubility and near-infrared (NIR) optical properties were also investigated due to its potential applications as a light-emitting layer for OLEDs. The H2Pc single crystal is insoluble in 1-chlorine naphthalene and other organic solvents. It gives a wide absorption in the range from 620 nm to 679 nm and a wide emission in near 922 nm. As an active light-emitting layer, H2Pc was employed to fabricate electroluminescent (EL) devices with a structure of ITO/NPB (30 nm)/Alq3:H2Pc (30 nm)/BCP (20 nm)/Alq3 (20 nm)/Al. The emission center is at 936 nm when the H2Pc doping concentration is 20 wt%. The doping concentration strongly governs the emission intensity. When doping concentration decreases from 10 wt% to 1 wt%, the emission intensity remarkably fades, and simultaneously the emission center undergoes a blue shift.
H2Pc single crystal was synthesized by a facile solvothermal method. H2Pc single crystal doping into Alq3 as an active light-emitting layer was employed to fabricate electroluminescent (EL) devices with a structure of ITO/NPB (30 nm)/Alq3:H2Pc (30 nm)/BCP (20 nm)/Alq3 (20 nm)/Al. The emission center is near 936 nm with H2Pc doping concentration of 20 wt%. The emission intensity is also related to the H2Pc doping concentration. When doping concentration decreases from 10 wt% to 1 wt%, the emission intensity fades, and simultaneously the centers of emission wavelength undergo a blue shift.Figure optionsDownload as PowerPoint slide
Journal: Chinese Chemical Letters - Volume 27, Issue 5, May 2016, Pages 764–768