Buffer-layer-induced barrier reduction: Role of tunneling in organic light-emitting devices

S. T. Zhang; X. M. Ding; J. M. Zhao; H. Z. Shi; J. He; Z. H. Xiong; H. J. Ding; E. G. Obbard; Y. Q. Zhan; W. Huang; X. Y. Hou

doi:10.1063/1.1641166

Buffer-layer-induced barrier reduction: Role of tunneling in organic light-emitting devices

S. T. Zhang, X. M. Ding, J. M. Zhao, H. Z. Shi, J. He, Z. H. Xiong, H. J. Ding, E. G. Obbard, Y. Q. Zhan, W. Huang, X. Y. Hou

Fudan University

科研成果: 期刊稿件 › 文章 › 同行评审

84 引用（Scopus）

摘要

The current density-voltage (J-V) characteristics of organic light-emitting devices (OLED) having buffer layers based on the WKB approximation of the tunneling model were investigated. The turn-on voltage of the device was lowered by the insertion of an insulating buffer layer of proper thickness. Good buffer layer for electron injection was observed to have high resistivity and a low conduction band minimum (CBM) level. It was found that the quantitative estimation of the optimal buffer layer thickness was related to the thickness of the organic layer.

源语言	英语
页（从-至）	425-427
页数	3
期刊	Applied Physics Letters
卷	84
期	3
DOI	https://doi.org/10.1063/1.1641166
出版状态	已出版 - 19 1月 2004
已对外发布	是

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abstract = "The current density-voltage (J-V) characteristics of organic light-emitting devices (OLED) having buffer layers based on the WKB approximation of the tunneling model were investigated. The turn-on voltage of the device was lowered by the insertion of an insulating buffer layer of proper thickness. Good buffer layer for electron injection was observed to have high resistivity and a low conduction band minimum (CBM) level. It was found that the quantitative estimation of the optimal buffer layer thickness was related to the thickness of the organic layer.",

author = "Zhang, {S. T.} and Ding, {X. M.} and Zhao, {J. M.} and Shi, {H. Z.} and J. He and Xiong, {Z. H.} and Ding, {H. J.} and Obbard, {E. G.} and Zhan, {Y. Q.} and W. Huang and Hou, {X. Y.}",

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AU - Zhang, S. T.

AU - Ding, X. M.

AU - Zhao, J. M.

AU - Shi, H. Z.

AU - He, J.

AU - Xiong, Z. H.

AU - Ding, H. J.

AU - Obbard, E. G.

AU - Zhan, Y. Q.

AU - Huang, W.

AU - Hou, X. Y.

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N2 - The current density-voltage (J-V) characteristics of organic light-emitting devices (OLED) having buffer layers based on the WKB approximation of the tunneling model were investigated. The turn-on voltage of the device was lowered by the insertion of an insulating buffer layer of proper thickness. Good buffer layer for electron injection was observed to have high resistivity and a low conduction band minimum (CBM) level. It was found that the quantitative estimation of the optimal buffer layer thickness was related to the thickness of the organic layer.

AB - The current density-voltage (J-V) characteristics of organic light-emitting devices (OLED) having buffer layers based on the WKB approximation of the tunneling model were investigated. The turn-on voltage of the device was lowered by the insertion of an insulating buffer layer of proper thickness. Good buffer layer for electron injection was observed to have high resistivity and a low conduction band minimum (CBM) level. It was found that the quantitative estimation of the optimal buffer layer thickness was related to the thickness of the organic layer.

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Buffer-layer-induced barrier reduction: Role of tunneling in organic light-emitting devices

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