Influence of the atmosphere on organic-organic interfacial layers and deterioration in organic light-emitting diodes

Hirofumi Nakamura; Seong Hee Noh; Miki Kuribayashi; Chihaya Adachi

doi:10.1002/jsid.318

Influence of the atmosphere on organic-organic interfacial layers and deterioration in organic light-emitting diodes

Hirofumi Nakamura, Seong Hee Noh, Miki Kuribayashi, Chihaya Adachi

Applied Chemistry

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

2 Citations (Scopus)

Abstract

The influence of organic-organic interfacial contaminants and deterioration in organic light-emitting diodes (OLEDs) was investigated. There was deterioration of the device characteristics when atmospheric contamination was introduced to the emission site. We simultaneously observed a decrease of the maximum capacitance, C_max, of the OLEDs, implying that there was charge accumulation at the interface. Our study demonstrates that maintaining the interface adjacent to emission site free from contaminants is crucial to protect the device from deterioration.

Original language	English
Pages (from-to)	129-137
Number of pages	9
Journal	Journal of the Society for Information Display
Volume	23
Issue number	3
DOIs	https://doi.org/10.1002/jsid.318
Publication status	Published - Mar 1 2015

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1002/jsid.318

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abstract = "The influence of organic-organic interfacial contaminants and deterioration in organic light-emitting diodes (OLEDs) was investigated. There was deterioration of the device characteristics when atmospheric contamination was introduced to the emission site. We simultaneously observed a decrease of the maximum capacitance, Cmax, of the OLEDs, implying that there was charge accumulation at the interface. Our study demonstrates that maintaining the interface adjacent to emission site free from contaminants is crucial to protect the device from deterioration.",

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AB - The influence of organic-organic interfacial contaminants and deterioration in organic light-emitting diodes (OLEDs) was investigated. There was deterioration of the device characteristics when atmospheric contamination was introduced to the emission site. We simultaneously observed a decrease of the maximum capacitance, Cmax, of the OLEDs, implying that there was charge accumulation at the interface. Our study demonstrates that maintaining the interface adjacent to emission site free from contaminants is crucial to protect the device from deterioration.

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