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Hole transporting materials for organic light emitting diodes: An Overview


Organic light emitting diodes (OLEDs) unfurl a mainstream lighting and display technology in consumer electronics. Over the last three decades, numerous approaches on material synthesis and device designs have been implemented for improving OLED performance. For the constant demand for high-efficiency and long-lifetime OLEDs, the development of high-performance organic electroluminescence materials is of prime concern. Encouragingly, great progress had been made in the area of organic electroluminescence materials in recent years. Design and synthesis of a novel series of the hole transporting, electron transporting, host and emitter materials have enabled OLEDs with remarkable operating characteristics. Hence, in this article, we reviewed the crucial material tactics employed to obtain high-performance OLED devices with small molecules, carbazole, fluorine, cross-linked, and metal oxide based hole transport materials. The general properties of charge carrier mobility, thermal stability, and structural configuration of hole transport materials are shown, and their significant effects on devices are discussed to understand device physics and improve the future performance and reliability of OLEDs. Moreover, the future perspectives and ongoing challenges of this research frontier are also highlighted. Keywords: Hole transport materials, OLED, Performance, Efficiency.

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Publication details

The article was received on 30 Mar 2019, accepted on 14 May 2019 and first published on 16 May 2019

Article type: Review Article
DOI: 10.1039/C9TC01712G
J. Mater. Chem. C, 2019, Accepted Manuscript

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    Hole transporting materials for organic light emitting diodes: An Overview

    S. Shahnawaz, S. S. Sudheendran, M. R. Nagar, R. A. K. Yadav, S. Gull, D. K. Dubey and J. Jou, J. Mater. Chem. C, 2019, Accepted Manuscript , DOI: 10.1039/C9TC01712G

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