Magneto-electroluminescence effects in the single-layer organic light-emitting devices with macrocyclic aromatic hydrocarbons
نویسندگان
چکیده
منابع مشابه
Extrafluorescent electroluminescence in organic light-emitting devices.
Organic light-emitting devices (OLEDs) are a promising technology for flat-panel displays and solid-state lighting. While OLED efficiencies have increased dramatically in recent years, further progress is complicated by the fact that the vast majority of organic materials are fluorescent and therefore emit only from molecular excited states ('excitons') with spin 0, or 'singlet' spin symmetry. ...
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Organic electroluminescent materials have been the subject of intense research for use in light emitting diodes (LEDs). When compared with liquid crystal displays (LCDs), organic light emitting diodes (OLEDs) require lower energy input, have a wider viewing angle with improved color contrast, and can be made much thinner. The electroluminescence (EL) of organic compounds was first demonstrated ...
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Principle of electroluminescence The light emission in the presented OLED is based on the formation of electron-hole-pairs within conjugated polymers with semiconducting properties. Therefore a suitable polymer like PPV (fig. 1) has to be placed between a transparent anode and a metallic cathode (fig. 2). By application of an electric voltage electrons (on the cathode side) and holes (on the an...
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A single crystal-based organic light-emitting device (OLED) with intrinsically polarized and color-tunable electroluminescence (EL) has been demonstrated without any subsequent treatment. The polarization ratio of 5:1 for the transversal-electric (TE) and transversal-magnetic (TM) polarization at the emission peak of 575 nm, and 4.7:1 for the TM to TE polarization at the emission peak of 635 nm...
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Inverted top-emitting organic light-emitting devices (ITOLEDs) employing thin film of vanadium pentoxide (V2O5) capped with vacuum deposited semitransparent silver layer as top anode were studied. The devices consisted of C-545T doped in Alq3 as emitting layers exhibited a maximum external current efficiency of ~11cd/A and a turn on voltage of ~6.4V.We attribute the good performance of the devi...
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ژورنال
عنوان ژورنال: APL Materials
سال: 2018
ISSN: 2166-532X
DOI: 10.1063/1.5021711