정공 주입층 CuPc 두께 변화에 따른 유기 발광 소자의 발광 특성

이정복; 김경환; 김태완; 이원재

한국전기전자재료학회 전기전자재료학회논문지(J. Korean Inst. Electr. Electron. Mater. Eng.) 정공 주입층 CuPc 두께 변화에 따른 유기 발광 소자의 발광 특성

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Electroluminescent Properties of Organic Light-emitting Diodes Depending on the Thickness of CuPc Hole-injection Layer

이정복 ( Jung Bok Lee ) , 김경환 ( Kyung Hwan Kim ) , 김태완 ( Tae Wan Kim ) , 이원재 ( Won Jae Lee )

한국전기전자재료학회 2013.12

전기전자재료학회논문지(J. Korean Inst. Electr. Electron. Mater. Eng.) vol. 26 iss. 12 899-903(5pages)

UCI I410-ECN-0102-2014-500-001811869

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Abstract

We investigated the luminescence properties of Alq3 in the device structure of ITO/CuPc/TPD/Alq3/Al. The CuPc as a hole-injection material and TPD as hole-transport material. Emission properties were measured by varying a layer thickness of CuPc (0 nm to 50 nm), which is the hole-injection layer. As a result, it was found that the hole injection occurs smoothly when the layer thickness was 20 nm among the thicknesses from 0 nm to 50 nm.

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