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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전기전자재료학회 Transactions on Electrical and Electronic Materials Transactions on Electrical and Electronic Materials 제15권 제1호
- 발행연도
- 2014.1
- 수록면
- 41 - 44 (4page)
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Emission properties of the organic light-emitting diodes were investigated with the use of a hole-injection layer ofcopper(II)-phthalocyanine (CuPc). The manufactured device structure is indium-tin-oxide (ITO) (180 nm)/CuPc(0~50 nm)/ N,N'-Bis(3-methylphenyl)-N,N'-diphenylbenzidine (TPD) (40 nm)/ tris-(8-hydroxyquinoline) aluminum(III) (Alq3) (60 nm)/Al(100 nm). We investigated the luminescence properties of Alq3 which is affected by the CuPchole-injection layer. Also, we studied the influence of light-emission properties in the structure of an ITO/CuPc/TPD/Alq3/Al device depending on the several thicknesses of CuPc (0~50 nm) layer. As a result, it was found that thehole injection occurs smoothly in the device with 20 nm thick CuPc layer, and the properties become significantlyworse in the device with a CuPc layer thickness higher than 40 nm. We studied the topography and external quantumefficiency depending on the layer thickness of CuPc. Also, we analyzed the electroluminescent characteristics in thelow and high-voltage range.
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