Voltage color tunable OLED with (Sm,Eu)-beta-diketonate complex blend

Reyes  R; Cremona  M; Teotonio  EESBrito  HFMalta  OL

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Voltage color tunable OLED with (Sm,Eu)-beta-diketonate complex blend

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Light emission from organic electroluminescent diodes (OLEDs) in which mixed samarium and europium beta-diketonate complexes, SM0.Eu-7(0.3)(TTA)(3)(TPPO)(2) was used as the emitting layer is described. The electroluminescence spectra exhibit narrow peaks arising from 4f-intraconfigurational transitions of the Sm3+ and Eu3+ ions and a broad emission band attributed to the electrophosphorescence of the TTA ligand. The intensity ratio of the peaks determined by the bias voltage applied to the OLED, together with the ligand electrophosphorescence, allows to obtain a voltage-tunable color light source. (C) 2004 Elsevier B.V. All rights reserved.

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《Chemical Physics Letters》 |2004年第3期|54-58|共5页
作者
Reyes R; Cremona M; Teotonio EESBrito HFMalta OL;
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作者单位

PUC Rio, Dept Fis, LOEM, BR-22452970 Rio De Janeiro, RJ, Brazil;

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正文语种英语
中图分类物理化学（理论化学）、化学物理学;
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EMISSION QUANTUM YIELD; COORDINATION-COMPLEXES; EUROPIUM COMPLEX; ELECTROLUMINESCENCE; LAYER; LIGANDS; GROWTH;

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Voltage color tunable OLED with (Sm,Eu)-beta-diketonate complex blend

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