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 › peer-review

12 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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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 › peer-review

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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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.",

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AU - Marks, Tobin J.

AU - Anthopoulos, Thomas D.

AU - Bronstein, Hugo

N1 - Funding Information: Use of the Advanced Photon Source, an Office of Science User Facility operated for the U.S. Department of Energy (DOE) Office of Science by Argonne National Laboratory, was supported by the U.S. DOE under Contract No. DE-AC02-06CH11357. The authors gratefully acknowledge support for this work from the Qatar National Research Fund project number: NPRP 7-286-1-046.

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