Fabrication of high-efficiency multilayered organic light-emitting diodes by a film transfer method

Kenji Kawano; Kaori Nagayoshi; Takeyuki Yamaki; Chihaya Adachi

doi:10.1016/j.orgel.2014.04.035

Fabrication of high-efficiency multilayered organic light-emitting diodes by a film transfer method

Kenji Kawano, Kaori Nagayoshi, Takeyuki Yamaki, Chihaya Adachi

Applied Chemistry

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

In this paper, we report the fabrication of small-molecule-based thin-film layers with a thickness of several tens of nanometers on a release layer by bar coating and subsequent stacking onto other organic layers by the developed film transfer method using driving belts and rollers as a prototype roll-to-roll technique. We use novel thermally activated delayed fluorescence (TADF) materials in this process, achieving multilayered organic light-emitting diodes (OLEDs) with high external quantum efficiency (EQE), which is comparable to those of OLEDs prepared by conventional vacuum deposition. The developed film transfer method shows great potential to realize OLEDs with high efficiency at low cost.

Original language	English
Pages (from-to)	1695-1701
Number of pages	7
Journal	Organic Electronics
Volume	15
Issue number	7
DOIs	https://doi.org/10.1016/j.orgel.2014.04.035
Publication status	Published - Jul 2014

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Biomaterials
Chemistry(all)
Condensed Matter Physics
Materials Chemistry
Electrical and Electronic Engineering

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title = "Fabrication of high-efficiency multilayered organic light-emitting diodes by a film transfer method",

abstract = "In this paper, we report the fabrication of small-molecule-based thin-film layers with a thickness of several tens of nanometers on a release layer by bar coating and subsequent stacking onto other organic layers by the developed film transfer method using driving belts and rollers as a prototype roll-to-roll technique. We use novel thermally activated delayed fluorescence (TADF) materials in this process, achieving multilayered organic light-emitting diodes (OLEDs) with high external quantum efficiency (EQE), which is comparable to those of OLEDs prepared by conventional vacuum deposition. The developed film transfer method shows great potential to realize OLEDs with high efficiency at low cost.",

author = "Kenji Kawano and Kaori Nagayoshi and Takeyuki Yamaki and Chihaya Adachi",

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AU - Kawano, Kenji

AU - Nagayoshi, Kaori

AU - Yamaki, Takeyuki

AU - Adachi, Chihaya

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Y1 - 2014/7

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AB - In this paper, we report the fabrication of small-molecule-based thin-film layers with a thickness of several tens of nanometers on a release layer by bar coating and subsequent stacking onto other organic layers by the developed film transfer method using driving belts and rollers as a prototype roll-to-roll technique. We use novel thermally activated delayed fluorescence (TADF) materials in this process, achieving multilayered organic light-emitting diodes (OLEDs) with high external quantum efficiency (EQE), which is comparable to those of OLEDs prepared by conventional vacuum deposition. The developed film transfer method shows great potential to realize OLEDs with high efficiency at low cost.

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