Conjugated zwitterionic polyelectrolyte as the charge injection layer for high-performance polymer light-emitting diodes

Junfeng Fang; Bodo H. Wallikewitz; Feng Gao; Guoli Tu; Christian Müller; Giuseppina Pace; Richard H. Friend; Wilhelm T.S. Huck

doi:10.1021/ja108541z

Conjugated zwitterionic polyelectrolyte as the charge injection layer for high-performance polymer light-emitting diodes

Junfeng Fang
, Bodo H. Wallikewitz
, Feng Gao
, Guoli Tu
, Christian Müller
, Giuseppina Pace
, Richard H. Friend
, Wilhelm T.S. Huck

University of Cambridge
Huazhong University of Science and Technology
Radboud University Nijmegen

科研成果: 期刊稿件 › 文章 › 同行评审

188 引用（Scopus）

摘要

A new zwitterionic conjugated polyelectrolyte without free counterions has been used as an electron injection material in polymer light-emitting diodes. Both the efficiency and maximum brightness were considerably improved in comparison with standard Ca cathode devices. The devices showed very fast response times, indicating that the improved performance is, in addition to hole blocking, due to dipoles at the cathode interface, which facilitate electron injection.

源语言	英语
页（从-至）	683-685
页数	3
期刊	Journal of the American Chemical Society
卷	133
期	4
DOI	https://doi.org/10.1021/ja108541z
出版状态	已出版 - 2 2月 2011
已对外发布	是

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10.1021/ja108541z

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abstract = "A new zwitterionic conjugated polyelectrolyte without free counterions has been used as an electron injection material in polymer light-emitting diodes. Both the efficiency and maximum brightness were considerably improved in comparison with standard Ca cathode devices. The devices showed very fast response times, indicating that the improved performance is, in addition to hole blocking, due to dipoles at the cathode interface, which facilitate electron injection.",

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AU - Tu, Guoli

AU - Müller, Christian

AU - Pace, Giuseppina

AU - Friend, Richard H.

AU - Huck, Wilhelm T.S.

PY - 2011/2/2

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N2 - A new zwitterionic conjugated polyelectrolyte without free counterions has been used as an electron injection material in polymer light-emitting diodes. Both the efficiency and maximum brightness were considerably improved in comparison with standard Ca cathode devices. The devices showed very fast response times, indicating that the improved performance is, in addition to hole blocking, due to dipoles at the cathode interface, which facilitate electron injection.

AB - A new zwitterionic conjugated polyelectrolyte without free counterions has been used as an electron injection material in polymer light-emitting diodes. Both the efficiency and maximum brightness were considerably improved in comparison with standard Ca cathode devices. The devices showed very fast response times, indicating that the improved performance is, in addition to hole blocking, due to dipoles at the cathode interface, which facilitate electron injection.

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Conjugated zwitterionic polyelectrolyte as the charge injection layer for high-performance polymer light-emitting diodes

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