TY - JOUR
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
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.
Publisher Copyright:
© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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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U2 - 10.1002/adfm.201704069
DO - 10.1002/adfm.201704069
M3 - Article
AN - SCOPUS:85030471004
VL - 27
JO - Advanced Functional Materials
JF - Advanced Functional Materials
SN - 1616-301X
IS - 43
M1 - 1704069
ER -