Electronic structure of a novel alkylidene fluorene polymer in the pristine state

Osikowicz, W., Murdey, R., Giles, M., Heeney, M., Tierney, S., McCulloch, I. and Salaneck, W.R. (2004) Electronic structure of a novel alkylidene fluorene polymer in the pristine state. Chemical Physics Letters, 385 (3-4), 184-188. (doi:10.1016/j.cplett.2003.12.073).

Abstract

The electronic structure of a novel conjugated polymer, polyalkylidene fluorene has been studied using a combined experimental-theoretical approach. The densities of states in the valence band region of the new derivative, poly(9-(1'-decylundecylidene)fluorene), were measured by ultraviolet photoelectron spectroscopy and compared with electronic band-structure calculations performed in the valence effective Hamiltonian framework. The results are compared with those of similar studies on the reference polymer poly(9,9-dioctylfluorene). We report the experimentally determined ionization potential for this new material and discuss the role of substitution in altering the electronic properties of the polymer backbone.

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