All-solution-processed multilayer polymer/dendrimer light emitting diodes

Manuel Auer-Berger; Roman Trattnig; Tianshi Qin; Raphael Schlesinger; Marco V. Nardi; Giovanni Ligorio; Christos Christodoulou; Norbert Koch; Martin Baumgarten; Klaus Müllen; Emil J.W. List-Kratochvil

doi:10.1016/j.orgel.2016.04.044

All-solution-processed multilayer polymer/dendrimer light emitting diodes

Manuel Auer-Berger, Roman Trattnig, Tianshi Qin, Raphael Schlesinger, Marco V. Nardi, Giovanni Ligorio, Christos Christodoulou, Norbert Koch, Martin Baumgarten, Klaus Müllen, Emil J.W. List-Kratochvil

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26 引用（Scopus）

摘要

A fully solution-processed deep-blue emitting organic light emitting diode (OLED) based on a highly efficient fluorescent dendritic material with a pyrene core, a phenylene shell and triphenylamine surface groups coupled with polymeric hole (HTL) and electron (ETL) transport layers is demonstrated. Each layer formed smooth and pinhole-free films as demonstrated by Atomic Force Microscopy (AFM) as well as by X-ray Photoelectron Spectroscopy (XPS). Furthermore, detailed Ultraviolet Photoelectron Spectroscopy (UPS) surveys revealed a beneficial energy level alignment and hence improved charge carrier confinement. The resulting triple-layer device saw a 7.7-fold increase in current efficiency compared to a single-layer device while maintaining a deep-blue emission color characterized by the CIE1931 coordinates of x = 0.153 and y = 0.155.

源语言	英语
页（从-至）	164-170
页数	7
期刊	Organic Electronics
卷	35
DOI	https://doi.org/10.1016/j.orgel.2016.04.044
出版状态	已出版 - 1 8月 2016
已对外发布	是

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title = "All-solution-processed multilayer polymer/dendrimer light emitting diodes",

abstract = "A fully solution-processed deep-blue emitting organic light emitting diode (OLED) based on a highly efficient fluorescent dendritic material with a pyrene core, a phenylene shell and triphenylamine surface groups coupled with polymeric hole (HTL) and electron (ETL) transport layers is demonstrated. Each layer formed smooth and pinhole-free films as demonstrated by Atomic Force Microscopy (AFM) as well as by X-ray Photoelectron Spectroscopy (XPS). Furthermore, detailed Ultraviolet Photoelectron Spectroscopy (UPS) surveys revealed a beneficial energy level alignment and hence improved charge carrier confinement. The resulting triple-layer device saw a 7.7-fold increase in current efficiency compared to a single-layer device while maintaining a deep-blue emission color characterized by the CIE1931 coordinates of x = 0.153 and y = 0.155.",

keywords = "Dendrimer-based light emitting diodes, Enhanced energy level alignment, Fully-solution processed, Orthogonal solvent, Polymeric charge transport layers, UPS and XPS",

author = "Manuel Auer-Berger and Roman Trattnig and Tianshi Qin and Raphael Schlesinger and Nardi, {Marco V.} and Giovanni Ligorio and Christos Christodoulou and Norbert Koch and Martin Baumgarten and Klaus M{\"u}llen and List-Kratochvil, {Emil J.W.}",

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doi = "10.1016/j.orgel.2016.04.044",

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AU - Auer-Berger, Manuel

AU - Trattnig, Roman

AU - Qin, Tianshi

AU - Schlesinger, Raphael

AU - Nardi, Marco V.

AU - Ligorio, Giovanni

AU - Christodoulou, Christos

AU - Koch, Norbert

AU - Baumgarten, Martin

AU - Müllen, Klaus

AU - List-Kratochvil, Emil J.W.

PY - 2016/8/1

Y1 - 2016/8/1

N2 - A fully solution-processed deep-blue emitting organic light emitting diode (OLED) based on a highly efficient fluorescent dendritic material with a pyrene core, a phenylene shell and triphenylamine surface groups coupled with polymeric hole (HTL) and electron (ETL) transport layers is demonstrated. Each layer formed smooth and pinhole-free films as demonstrated by Atomic Force Microscopy (AFM) as well as by X-ray Photoelectron Spectroscopy (XPS). Furthermore, detailed Ultraviolet Photoelectron Spectroscopy (UPS) surveys revealed a beneficial energy level alignment and hence improved charge carrier confinement. The resulting triple-layer device saw a 7.7-fold increase in current efficiency compared to a single-layer device while maintaining a deep-blue emission color characterized by the CIE1931 coordinates of x = 0.153 and y = 0.155.

AB - A fully solution-processed deep-blue emitting organic light emitting diode (OLED) based on a highly efficient fluorescent dendritic material with a pyrene core, a phenylene shell and triphenylamine surface groups coupled with polymeric hole (HTL) and electron (ETL) transport layers is demonstrated. Each layer formed smooth and pinhole-free films as demonstrated by Atomic Force Microscopy (AFM) as well as by X-ray Photoelectron Spectroscopy (XPS). Furthermore, detailed Ultraviolet Photoelectron Spectroscopy (UPS) surveys revealed a beneficial energy level alignment and hence improved charge carrier confinement. The resulting triple-layer device saw a 7.7-fold increase in current efficiency compared to a single-layer device while maintaining a deep-blue emission color characterized by the CIE1931 coordinates of x = 0.153 and y = 0.155.

KW - Dendrimer-based light emitting diodes

KW - Enhanced energy level alignment

KW - Fully-solution processed

KW - Orthogonal solvent

KW - Polymeric charge transport layers

KW - UPS and XPS

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DO - 10.1016/j.orgel.2016.04.044

M3 - 文章

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SN - 1566-1199

VL - 35

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JO - Organic Electronics

JF - Organic Electronics

ER -

All-solution-processed multilayer polymer/dendrimer light emitting diodes

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