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Polymers
Volume 13
Issue 17
10.3390/polym13172914
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Article

Structural Geometry Variation of 1,4-Naphthalene-Based Co-Polymers to Tune the Device Performance of PVK-Host-Based OLEDs

by
Qian Liu
1,2,†,
Dhanashree Moghe
3,†,
Gopa Sardar
3,
Sergei Manzhos
4,‡,
Steven E. Bottle
1,
Aung Ko Ko Kyaw
2,
Dinesh Kabra
3,* and
Prashant Sonar
1,*
1
Centre for Materials Science, Queensland University of Technology, Brisbane, QLD 4000, Australia
2
Guangdong University Key Laboratory for Advanced Quantum Dot Displays, Shenzhen Key Laboratory for Advanced Quantum Dot Displays and Lighting, and Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen 518055, China
3
Department of Physics, Indian Institute of Technology Bombay, Mumbai 400076, India
4
Centre Énergie Matériaux Télécommunications, Institut National de la Recherche Scientifique, 1650 Boulevard Lionel-Boulet, Varennes, QC J3X1S2, Canada
*
Authors to whom correspondence should be addressed.
†
Both authors contributed equally to this work.
‡
Present Address: School of Materials and Chemical Technology, Tokyo Institute of Technology, Ookayama 2-12-1, Meguro-ku, Tokyo 152-8552, Japan.
Polymers 2021, 13(17), 2914; https://doi.org/10.3390/polym13172914
Submission received: 20 June 2021 / Revised: 28 July 2021 / Accepted: 30 July 2021 / Published: 30 August 2021
(This article belongs to the Section Polymer Chemistry)
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Abstract

Blue-color-emitting organic semiconductors are of significance for organic light-emitting diodes (OLEDs). In this study, through Suzuki coupling polymerization, three 1,4-naphthalene-based copolymers—namely, PNP(1,4)-PT, PNP(1,4)-TF, and PNP(1,4)-ANT—were designed and synthesized. The variation of comonomers, phenothiazine (PT), triphenylamine substituted fluorene (TF), and anthanthrene (ANT), effectively tuned the emitting color and device performance of poly(9-vinyl carbazole) (PVK)-based OLEDs. Especially, the polymer PNP(1,4)-TF, bearing perpendicular aryl side groups, showed a most twisted structural geometry, which enabled an ultra-high thermal stability and a best performance with blue emitting in PVK-host-based OLEDs. Overall, in this work, we demonstrate a promising blue-color-emitting polymer through structural geometry manipulation.
Keywords: structural geometry; 1,4-naphthalene; phenothiazine; triphenylamine substituted fluorene; anthanthrene; polymers; poly(9-vinyl carbazole); organic light-emitting diodes structural geometry; 1,4-naphthalene; phenothiazine; triphenylamine substituted fluorene; anthanthrene; polymers; poly(9-vinyl carbazole); organic light-emitting diodes
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MDPI and ACS Style

Liu, Q.; Moghe, D.; Sardar, G.; Manzhos, S.; Bottle, S.E.; Kyaw, A.K.K.; Kabra, D.; Sonar, P. Structural Geometry Variation of 1,4-Naphthalene-Based Co-Polymers to Tune the Device Performance of PVK-Host-Based OLEDs. Polymers 2021, 13, 2914. https://doi.org/10.3390/polym13172914

AMA Style

Liu Q, Moghe D, Sardar G, Manzhos S, Bottle SE, Kyaw AKK, Kabra D, Sonar P. Structural Geometry Variation of 1,4-Naphthalene-Based Co-Polymers to Tune the Device Performance of PVK-Host-Based OLEDs. Polymers. 2021; 13(17):2914. https://doi.org/10.3390/polym13172914

Chicago/Turabian Style

Liu, Qian, Dhanashree Moghe, Gopa Sardar, Sergei Manzhos, Steven E. Bottle, Aung Ko Ko Kyaw, Dinesh Kabra, and Prashant Sonar. 2021. "Structural Geometry Variation of 1,4-Naphthalene-Based Co-Polymers to Tune the Device Performance of PVK-Host-Based OLEDs" Polymers 13, no. 17: 2914. https://doi.org/10.3390/polym13172914

APA Style

Liu, Q., Moghe, D., Sardar, G., Manzhos, S., Bottle, S. E., Kyaw, A. K. K., Kabra, D., & Sonar, P. (2021). Structural Geometry Variation of 1,4-Naphthalene-Based Co-Polymers to Tune the Device Performance of PVK-Host-Based OLEDs. Polymers, 13(17), 2914. https://doi.org/10.3390/polym13172914

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