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The solution and solid-state properties as well as the organic thin film transistor (OTFT) behavior of α,ω-perfluorohexyl-quaterthiophene (DFH-4T) are presented and compared to those of quaterthiophene (4T) and α,ω-hexyl-quaterthiophene (DH-4T). UV/visible and fluorescence data showed the same weak effect of hexyl and perfluorohexyl substitutions on the optical properties of 4T core. Growth mechanism...
A series of linear oligomers combining thiophene, phenyl and vinyl units were designed and synthesized to investigate the influence of the number and sequence of the π-conjugating groups on the stability and performance of organic thin-film transistors. The optical and electrochemical properties of oligomers in solution were investigated by UV–vis absorption and photoluminescence spectroscopies, and...
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