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O2 Plasma Treatment of Al Layer on Metal Anode to Improve the Performance of Organic Light-Emitting Devices

Published online by Cambridge University Press:  26 February 2011

Su Hwan Lee
Affiliation:
this9022@nate.com, Hanyang University, Electrical & Computer Engineering, #101 HIT, Hanyang University, Haengdang-dong, Seongdong-gu, Seoul, 133-791, Korea, Republic of
Dong-Won Shin
Affiliation:
100thdream@naver.com, Hanyang University, Electrical & Computer Engineering, #101 HIT, Hanyang University, Haengdang-dong, Seongdong-gu, Seoul, 133-791, Korea, Republic of
Sung-Jun Kim
Affiliation:
ksjdream33@hanmail.net, Hanyang University, Electrical & Computer Engineering, #101 HIT, Hanyang University, Haengdang-dong, Seongdong-gu, Seoul, 133-791, Korea, Republic of
Yoon Ho Kang
Affiliation:
jamtang_e78@hotmail.com, Hanyang University, Electrical & Computer Engineering, #101 HIT, Hanyang University, Haengdang-dong, Seongdong-gu, Seoul, 133-791, Korea, Republic of
Gon-Sub Lee
Affiliation:
gslee@hanyang.ac.kr, Hanyang University, Electrical & Computer Engineering, #101 HIT, Hanyang University, Haengdang-dong, Seongdong-gu, Seoul, 133-791, Korea, Republic of
Jea-gun Park
Affiliation:
parkjgL@hanyang.ac.kr, Hanyang University, Electrical & Computer Engineering, #101 HIT, Hanyang University, Haengdang-dong, Seongdong-gu, Seoul, 133-791, Korea, Republic of
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Abstract

A gold and aluminum layer was investigated as an anode for organic light-emitting devices (OLEDs). By pretreating the ultrathin aluminum layer in an oxygen (O2) plasma, the hole injection from the metal anode to the organic layer was greatly enhanced. The fabricated OLEDs demonstrated improved current density and luminance characteristics as compared with other devices using a gold anode and an aluminum layer not treated with an oxygen plasma.

Type
Research Article
Copyright
Copyright © Materials Research Society 2007

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References

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O2 Plasma Treatment of Al Layer on Metal Anode to Improve the Performance of Organic Light-Emitting Devices
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