Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 36, Issue 24, Pages 2162-2170Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201500377
Keywords
diketopyrrolopyrroles; direct arylation polymerization; OFETs; semiconducting polymers
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Funding
- Nanyang Technological University
- AcRF from the Ministry of Education, Singapore [M4011061.120, RG49/12]
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The synthesis of an ambipolar pi-conjugated copolymer consisting of alternating diketopyrrolopyrrole and tetrafluorobenzene via direct arylation polymerization (DAP) is reported. Two different combinations of monomers are investigated under various catalytic conditions for DAP. The target polymer obtained under an optimized catalytic condition shows minimal structural defects, a number-average molecular weight of 33.2 kDa, and balanced electron and hole mobility of 1 x 10(-2) cm 2 V-1 S-1 in the organic field-effect transistors fabricated and tested under ambient conditions.
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