Characteristics of Organic Light Emitting Diodes with Tetrakis(Ethylmethylamino) Hafnium Treated Indium Tin Oxide

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概要

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• The surface of indium tin oxide (ITO) in organic light emitting diodes (OLEDs) was treated using an atomic layer deposition with tetrakis(ethylmethylamino) hafnium (TEMAH) and O2 precursors. The treatment for 5 cycles at room temperature resulted in a significant improvement in the electroluminescent characteristics resulting from the increased hole injection. According to the various characterizations, an ultra-thin HfOx layer without any insulating properties was formed, which modified the electronic band structure of the ITO anode. When the number of cycles or temperature was increased, an electrically insulating HfOx was formed, and the resulting OLED properties deteriorated.

• 2007-05-25

著者

• Jung Donggeun

  Department Of Physics And Institute Of Basic Science Sungkyunkwan University

• Sohn Sunyoung

  Department Of Physics Institute Of Basic Science And Brain Korea 21 Physics Research Division Sungky

• Yi Junsin

  School Of Electrical And Computer Engineering Sungkyunkwan University

• Boo Jin-hyo

  Department Of Chemistry Bk21 School Of Chemical Materials Science Sungkyunkwan University

• Kim Hyoungsub

  School Of Advanced Materials Science And Engineering Sungkyunkwan University

• Chae Heeyeop

  Department Of Chemical Engineering Sungkyunkwan University

• Cho Mann-ho

  Institute of Physics and Applied Physics, Yonsei University, 134 Shinchon-Dong, Seodaemun-Ku, Seoul 120-729, Republic of Korea

• Park Keunhee

  Department of Physics, Institute of Basic Science, and Brain Korea 21 Physics Research Division, Sungkyunkwan University, Suwon 440-746, Republic of Korea

• Kim Hyunmin

  School of Information and Communication Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea

• Park Keunhee

  Department of Physics, Institute of Basic Science, and Brain Korea 21 Physics Research Division, Sungkyunkwan University, Suwon 440-746, Korea

• Boo Jin-Hyo

  Department of Chemistry and Institute of Basic Science, Sungkyunkwan University, Suwon 440-746, Korea

• Boo Jin-hyo

  Department of Chemistry, Institute of Basic Science, and Brain Korea 21 Chemistry Research Division, Sungkyunkwan University, Suwon 440-746, Republic of Korea

• Yi Junsin

  School of Information and Communication Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea

• Sohn Sunyoung

  Department of Electronics Engineering, Catholic University of Daegu, Gyeongsan, Gyeongbuk 712-702, Republic of Korea

• Jung Donggeun

  Department of Physics, Institute of Basic Science, and Brain Korea 21 Physics Research Division, Sungkyunkwan University, Suwon 440-746, Republic of Korea

• Kim Hyoungsub

  School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea

• Chae Heeyeop

  Department of Chemical Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea

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