20 November 2007 Electrochemical properties of regioregular head-to-tail oligothiophenes-functionalized 9,9'-spirobifluorene derivatives
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Abstract
A novel family of 9,9'-spirobifluorene functionalized head-tail regular n-hexyl-substituted oligothiophenes, which exhibit good solubility in common organic solvents, has been successfully developed in this contribution. The study of the redox behavior of the spiro-type molecules indicates that their HOMO and LUMO energy levels are adjusted to match the electrode work function by varying the attaching oligothiophene moieties and their attaching patterns to 9,9'- spirobifluorene. The two series of spiro-type oligothiophenes still remained the similar electrochemical properties of common oligothiophenes while their processability and morphologic stability being improved by the spiro-junction.
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Jian Pei, Jian Pei, Jing Ni, Jing Ni, } "Electrochemical properties of regioregular head-to-tail oligothiophenes-functionalized 9,9'-spirobifluorene derivatives", Proc. SPIE 6828, Light-Emitting Diode Materials and Devices II, 682806 (20 November 2007); doi: 10.1117/12.768603; https://doi.org/10.1117/12.768603
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