Recent Progress in Polymer White Light-Emitting Materials and Devices

In this paper, recent progress in polymer white light‐emitting materials and devices published until April 2012 was reviewed according to the kinds of the materials and devices. The polymer light‐emitting materials were reviewed by the classification of small‐molecule‐doped polymer type, polymer ble...

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Bibliographic Details
Published in:Macromolecular chemistry and physics 2013-02, Vol.214 (3), p.314-342
Main Authors: Tang, Chao, Liu, Xu-Dong, Liu, Feng, Wang, Xu-Liang, Xu, Hui, Huang, Wei
Format: Article
Language:English
Subjects:
Applied sciences
Biological and medical sciences
Classification
Colors (materials)
Devices
Dopes
Dyes
electroluminescence
Emission
Exact sciences and technology
General pharmacology
light-emitting materials and devices
Medical sciences
Molecular structure
Multilayers
Organic polymers
Pharmaceutical technology. Pharmaceutical industry
Pharmacology. Drug treatments
Physicochemistry of polymers
polymer white light-emitting device
polymer white light-emitting materials
Polymers with particular properties
Preparation, kinetics, thermodynamics, mechanism and catalysts
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Summary:In this paper, recent progress in polymer white light‐emitting materials and devices published until April 2012 was reviewed according to the kinds of the materials and devices. The polymer light‐emitting materials were reviewed by the classification of small‐molecule‐doped polymer type, polymer blend type, polymer doped small molecule type, molecule‐dispersed polymer type, dye‐terminated polymer type, and excimer white EL polymer type. The polymer light‐emitting devices were reviewed by the classification of fabricating PWLED through the multilayer device and improving efficiency through the multilayer device. The relationship between the structures of materials or devices and properties was the main content during review. At last, some scientific problems and developing trends on PWLED are discussed. Review: PWLEDs are one of the most intensively researched topics in PLEDs. At present, there are two main methods to realize white emission in PLEDs. One is to dope the host with different guests with different colors, and the other is to prepare a single white polymer by designing the molecular structure. Improving the performance of PWLEDs depends on the understanding of the material structure and properties, materials purifi cation, and device engineering.
ISSN:1022-1352
1521-3935
DOI:10.1002/macp.201200305