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Application of polyaniline (emeraldine base, EB) in polymer light-emitting devices

Open access
Wang, H.L., MacDiarmid, A.G., Wang, Y.Z., Gebier, D.D., Epstein, A.J.·1996·Synthetic Metals

Abstract

We report the fabrication of several multilayer light-emitting-diode (LED) devices based on a novel conjugated polymer, poly(2,5-dihexadecanoxy phenylene vinylene pyridyl vinylene) (PPV-PPy V), involving the use of polyaniline (emeraldine base, EB) as an insulating layer between the emissive polymer layer and the electrodes. In all the above devices with various configurations (‘3-layers’, ‘4-layers’-1’, ‘4-layers-2’ and ‘5-layers’), only the symmetrically configured a.c. light-emitting (SCALE) (‘5-layers’) device shows the capability of operating in both forward and reverse bias modes and in an a.c. mode. The SCALE devices have a typical turn-on voltage of about 4–6 V and work well under both forward and reverse bias modes. It is important to note that the total resistance (R= V/I+) of the four devices at any given applied potential decreases as the number of insulating polymer layers increases, suggesting that the nature of the electrode/polymer interface plays a critical role in determining the characteristics of the devices.

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Metadata

Authors
Wang, H. L., MacDiarmid, A. G., Wang, Y. Z., Gebier, D. D., & Epstein, A. J.
Venue
Synthetic Metals
Publisher
Elsevier BV
Published
1996-03
Volume
78
Issue
1
Pages
33-37
ISSN
0379-6779 (ISSN-L)
OpenAlex
W1977372704
Cited by
196
References
0
FWCI
13.59
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Application of polyaniline (emeraldine base, EB) in polymer light-emitting devices. https://app.cochat.ai/papers/10.1016/0379-6779(95)03569-6
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Wang, H. L., MacDiarmid, A. G., Wang, Y. Z., Gebier, D. D., & Epstein, A. J. (1996). Application of polyaniline (emeraldine base, EB) in polymer light-emitting devices. Synthetic Metals. https://doi.org/10.1016/0379-6779(95)03569-6

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.