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^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

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 (US)
Article number	1704069
Journal	Advanced Functional Materials
Volume	27
Issue number	43
DOIs	https://doi.org/10.1002/adfm.201704069
State	Published - Nov 17 2017

Keywords

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

ASJC Scopus subject areas

General Chemistry
General Materials Science
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), Article 1704069. https://doi.org/10.1002/adfm.201704069

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

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.",

keywords = "Organic Field-Effect Transistors (OFETs), conjugated polymers, electron transport, indolonapthryidine, polymer crystallinity",

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

note = "Publisher Copyright: {\textcopyright} 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.",

year = "2017",

month = nov,

day = "17",

doi = "10.1002/adfm.201704069",

language = "English (US)",

volume = "27",

journal = "Advanced Functional Materials",

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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

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T1 - Effect of Alkyl Chain Branching Point on 3D Crystallinity in High N-Type Mobility Indolonaphthyridine Polymers

AU - Fallon, Kealan J.

AU - Santala, Annikki

AU - Wijeyasinghe, Nilushi

AU - Manley, Eric F.

AU - Goodeal, Niall

AU - Leventis, Anastasia

AU - Freeman, David M.E.

AU - Al-Hashimi, Mohammed

AU - Chen, Lin X.

AU - Marks, Tobin J.

AU - Anthopoulos, Thomas D.

AU - Bronstein, Hugo

PY - 2017/11/17

Y1 - 2017/11/17

N2 - 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.

AB - 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.

KW - Organic Field-Effect Transistors (OFETs)

KW - conjugated polymers

KW - electron transport

KW - indolonapthryidine

KW - polymer crystallinity

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M1 - 1704069

ER -

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

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