Effect of Alkyl Chain Branching Point on 3D Crystallinity in High N-Type Mobility Indolonaphthyridine Polymers

Kealan J. Fallon; Annikki Santala; Nilushi Wijeyasinghe; Eric F. Manley; Niall Goodeal; Anastasia Leventis; David M.E. Freeman; Mohammed Al-Hashimi; Lin X. Chen; Tobin J. Marks; Thomas D. Anthopoulos; Hugo Bronstein

doi:10.1002/adfm.201704069

Effect of Alkyl Chain Branching Point on 3D Crystallinity in High N-Type Mobility Indolonaphthyridine Polymers

Kealan J. Fallon, Annikki Santala, Nilushi Wijeyasinghe, Eric F. Manley, Niall Goodeal, Anastasia Leventis, David M.E. Freeman, Mohammed Al-Hashimi, Lin X. Chen, Tobin J. Marks, Thomas D. Anthopoulos, Hugo Bronstein

Northwestern University

Research output: Contribution to journal › Article

10 Citations (Scopus)

Abstract

Herein, this study investigates the impact of branching-point-extended alkyl chains on the charge transport properties of three ultrahigh n-type mobility conjugated polymers. Using grazing incidence wide-angle X-ray scattering, analysis of the crystallinity of the series shows that while π–π interactions are increased for all three polymers as expected, the impact of the side-chain engineering on polymer backbone crystallinity is unique to each polymer and correlates to the observed changes in charge transport. With the three polymers exhibiting n-type mobilities between 0.63 and 1.04 cm² V⁻¹ s⁻¹, these results ratify that the indolonaphthyridine building block has an unprecedented intrinsic ability to furnish high-performance n-type organic semiconductors.

Original language	English
Article number	1704069
Journal	Advanced Functional Materials
Volume	27
Issue number	43
DOIs	https://doi.org/10.1002/adfm.201704069
Publication status	Published - Nov 17 2017

Keywords

Organic Field-Effect Transistors (OFETs)
conjugated polymers
electron transport
indolonapthryidine
polymer crystallinity

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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10.1002/adfm.201704069

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Fallon, K. J., Santala, A., Wijeyasinghe, N., Manley, E. F., Goodeal, N., Leventis, A., Freeman, D. M. E., Al-Hashimi, M., Chen, L. X., Marks, T. J., Anthopoulos, T. D., & Bronstein, H. (2017). Effect of Alkyl Chain Branching Point on 3D Crystallinity in High N-Type Mobility Indolonaphthyridine Polymers. Advanced Functional Materials, 27(43), [1704069]. https://doi.org/10.1002/adfm.201704069

Effect of Alkyl Chain Branching Point on 3D Crystallinity in High N-Type Mobility Indolonaphthyridine Polymers. / Fallon, Kealan J.; Santala, Annikki; Wijeyasinghe, Nilushi; Manley, Eric F.; Goodeal, Niall; Leventis, Anastasia; Freeman, David M.E.; Al-Hashimi, Mohammed; Chen, Lin X.; Marks, Tobin J.; Anthopoulos, Thomas D.; Bronstein, Hugo.

In: Advanced Functional Materials, Vol. 27, No. 43, 1704069, 17.11.2017.

Research output: Contribution to journal › Article

Fallon, KJ, Santala, A, Wijeyasinghe, N, Manley, EF, Goodeal, N, Leventis, A, Freeman, DME, Al-Hashimi, M, Chen, LX, Marks, TJ, Anthopoulos, TD & Bronstein, H 2017, 'Effect of Alkyl Chain Branching Point on 3D Crystallinity in High N-Type Mobility Indolonaphthyridine Polymers', Advanced Functional Materials, vol. 27, no. 43, 1704069. https://doi.org/10.1002/adfm.201704069

Fallon, Kealan J. ; Santala, Annikki ; Wijeyasinghe, Nilushi ; Manley, Eric F. ; Goodeal, Niall ; Leventis, Anastasia ; Freeman, David M.E. ; Al-Hashimi, Mohammed ; Chen, Lin X. ; Marks, Tobin J. ; Anthopoulos, Thomas D. ; Bronstein, Hugo. / Effect of Alkyl Chain Branching Point on 3D Crystallinity in High N-Type Mobility Indolonaphthyridine Polymers. In: Advanced Functional Materials. 2017 ; Vol. 27, No. 43.

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AU - Goodeal, Niall

AU - Leventis, Anastasia

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