Journal
ADVANCED MATERIALS
Volume 25, Issue 17, Pages 2445-2451Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201300098
Keywords
conjugated polymers; bulk-heterojunction organic photovoltaics; polymer field-effect transistors; organic electronics; self-assembly
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Funding
- National Science Council
- ATP of the National Chiao Tung University
- Ministry of Education, Taiwan
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A high organic field-effect transistor mobility (0.29 cm(2)V(-1)s(-1)) and bulk-heterojunction polymer solar cell performance (PCE of 6.82%) have been achieved in a low bandgap alternating copolymer consisting of axisymmetrical structural units, 5,6-difluorobenzo-2,1,3-thiadiazole. Introducing the fluorine substituents enhanced intermolecular interaction and improved the solid-state order, which consequently resulted in the highest device performances among the 2,1,3-thiadiazole-quarterthiophene based alternating copolymers.
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