Application of conjugated polymers in organic light-emitting diode and organic photovoltaics

Zhewen Deng; Jinye Li; Zipeng Wang

doi:10.1117/12.2673082

25 April 2023 Application of conjugated polymers in organic light-emitting diode and organic photovoltaics

Zhewen Deng, Jinye Li, Zipeng Wang

Proceedings Volume 12598, Eighth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2022); 125980X (2023) https://doi.org/10.1117/12.2673082
Event: Eighth International Conference on Energy Materials and Electrical Engineering (ICMEE 2022), 2022, Guangzhou, China

Abstract

Conjugated polymers have been widely studied due to their unique conductivity. This article explains the chemistry behind how conjugated polymers conduct electricity, providing detailed explanations of how alternating π bonds in conjugated polymers enable electrons to delocalize, thus their conductivity. This article also focuses on the concept of band theory in conjugated polymers along with their quantum mechanical basis of molecular orbitals, involving different approaches that could be used to tune the band gap size in conjugated polymers. The development of conjugated polymers has brought innovations for future technologies such as OLED displays due to the photo-luminescent properties of certain conjugated polymers; conductive polymers have also been used for making organic photovoltaics to generate electricity using Sunlight. This article concludes with the advantages and limitations of both OLED displays and OPVs in light of these applications. For example, OLED displays have lower power consumption, higher resolutions, and lighter weight. While OPVs can supply consistent, clean energy and are cost-effective. A common limitation for both OPVs and OLEDs is that they have a short lifetime. This article aims to provide a summary of the basics behind OLEDs and OPVs, along with their possible future influences and research directions.

Citation Download Citation

Zhewen Deng, Jinye Li, and Zipeng Wang "Application of conjugated polymers in organic light-emitting diode and organic photovoltaics", Proc. SPIE 12598, Eighth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2022), 125980X (25 April 2023); https://doi.org/10.1117/12.2673082

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KEYWORDS

Organic light emitting diodes

Polymers

Electrons

LCDs

Chemical species

Electrical conductivity

Manufacturing

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