Effects of Using a Ag Anode with a Co-evaporation Thin Film of MoO
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概要
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We investigated the effects of using a Ag anode with the co-evaporation of molybdenum oxide (MoO<inf>x</inf>) and N,N\aku '-bis(1-naphthyl)-N,N\aku '-diphenyl-1,1'-diphenyl-1,4'-diamine (\alpha-NPD). The current density of the device with a Ag anode and a co-evaporation thin film was the highest among the various devices used owing to a low sheet resistance and charge transport. We discussed the mobility and carrier density of the co-evaporation thin film as compared with the electrical properties of the \alpha-NPD thin film. The device with a Ag anode achieved high electroluminescence (EL) efficiency due to the optical design. In particular, the device with a Ag anode and a co-evaporation thin film showed an approximately 55% higher current efficiency than that with indium--tin oxide (ITO) and a MoO<inf>x</inf>layer.
- 2013-05-25
著者
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Wang Haiying
Department Of Chemisty Xuzhou Normal University Key Laboratory Of Biotechnology For Medicinal Plant
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Mori Tatsuo
Department Of Electrical Engineering And Computer Science Graduate School Of Engineering Nagoya University
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Park Sang-Geon
Department of Electrical Engineering and Computer Science, Nagoya University, Nagoya 464-8603, Japan
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Mori Tatsuo
Department of Electrical Engineering and Computer Science, Nagoya University, Nagoya 464-8603, Japan
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