Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 80, Issue 10, Pages 5045-5048Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.5b00430
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Funding
- EC FP7 Project X10D
- EC FP7 Project SC2
- EC FP7 Project PolyMed
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The 4,7-dithieno-2,1,3-benzothiadiazole (DTBT) moiety and its fluorinated: counterpart are important pi-conjugated building blocks in the field of organic electronics. Here we present a combined experimental and theoretical investigation into fundamental properties relating to these two molecular entities and discuss the potential impact on extended pi-conjugated materials and their electronic properties. While the fluorinated derivative, in the solid state, packs with a cofacial overlap smaller than that of DTBT, we report experimental evidence of stronger optical absorption as well as stronger intra- and intermolecular contacts upon fluorination.
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