Chlorinated Indium Tin Oxide Electrodes with High Work Function for Organic Device Compatibility
Identifieur interne : 000937 ( Chine/Analysis ); précédent : 000936; suivant : 000938Chlorinated Indium Tin Oxide Electrodes with High Work Function for Organic Device Compatibility
Auteurs : RBID : Pascal:12-0022142Descripteurs français
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English descriptors
- KwdEn :
Abstract
In organic light-emitting diodes (OLEDs), a stack of multiple organic layers facilitates charge flow from the low work function [∼4.7 electron volts (eV)] of the transparent electrode (tin-doped indium oxide, ITO) to the deep energy levels (∼6 eV) of the active light-emitting organic materials. We demonstrate a chlorinated ITO transparent electrode with a work function of >6.1 eV that provides a direct match to the energy levels of the active light-emitting materials in state-of-the art OLEDs. A highly simplified green OLED with a maximum external quantum efficiency (EQE) of 54% and power efficiency of 230 lumens per watt using outcoupling enhancement was demonstrated, as were EQE of 50% and power efficiency of 110 lumens per watt at 10,000 candelas per square meter.
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<author><name sortKey="Helander, M G" uniqKey="Helander M">M. G. Helander</name>
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<author><name sortKey="Qiu, J" uniqKey="Qiu J">J. Qiu</name>
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<author><name sortKey="Liu, Z W" uniqKey="Liu Z">Z. W. Liu</name>
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<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Physics, Yunnan University, 2 Cuihu Beilu</s1>
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<term>Doped materials</term>
<term>Indium oxide</term>
<term>Luminescent material</term>
<term>Multiple layer</term>
<term>Organic electronics</term>
<term>Organic light emitting diodes</term>
<term>Performance evaluation</term>
<term>Quantum yield</term>
<term>Stacking</term>
<term>State of the art</term>
<term>Tin addition</term>
<term>Work function</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Addition étain</term>
<term>Travail sortie</term>
<term>Electronique organique</term>
<term>Diode électroluminescente organique</term>
<term>Empilement</term>
<term>Niveau profond</term>
<term>Matière active</term>
<term>Etat actuel</term>
<term>Rendement quantique</term>
<term>Evaluation performance</term>
<term>Addition chlore</term>
<term>Oxyde d'indium</term>
<term>Multicouche</term>
<term>Matériau luminescent</term>
<term>Matériau dopé</term>
<term>ITO</term>
<term>7330</term>
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<front><div type="abstract" xml:lang="en">In organic light-emitting diodes (OLEDs), a stack of multiple organic layers facilitates charge flow from the low work function [∼4.7 electron volts (eV)] of the transparent electrode (tin-doped indium oxide, ITO) to the deep energy levels (∼6 eV) of the active light-emitting organic materials. We demonstrate a chlorinated ITO transparent electrode with a work function of >6.1 eV that provides a direct match to the energy levels of the active light-emitting materials in state-of-the art OLEDs. A highly simplified green OLED with a maximum external quantum efficiency (EQE) of 54% and power efficiency of 230 lumens per watt using outcoupling enhancement was demonstrated, as were EQE of 50% and power efficiency of 110 lumens per watt at 10,000 candelas per square meter.</div>
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<s5>03</s5>
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<s5>04</s5>
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<s5>05</s5>
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<s5>09</s5>
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<s5>10</s5>
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<s5>10</s5>
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<fC03 i1="10" i2="X" l="SPA"><s0>Evaluación prestación</s0>
<s5>10</s5>
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<s5>12</s5>
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<s5>12</s5>
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<s5>12</s5>
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<s5>23</s5>
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<s5>23</s5>
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<s5>24</s5>
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<s5>24</s5>
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<s5>24</s5>
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<s5>46</s5>
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<s5>46</s5>
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<s4>INC</s4>
<s5>82</s5>
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<fC03 i1="17" i2="X" l="FRE"><s0>7330</s0>
<s4>INC</s4>
<s5>83</s5>
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<s5>11</s5>
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<s5>11</s5>
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<s5>11</s5>
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