Radical cations of end-capped tetrathienoacenes and their p-dimerization controlled by the nature of a-substituents and counterion concentrationRizalman, N. S., Ferron, C.C., Niu, W., Wallace, A.L., He, M., Balster, R., Lampkin, J., Hernandez, V., Lopez, J.T., Delgado, M.C.R. and Hartl, F. (2013) Radical cations of end-capped tetrathienoacenes and their p-dimerization controlled by the nature of a-substituents and counterion concentration. RSC Advances, 3 (48). pp. 25644-25647. ISSN 2046-2069 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1039/c3ra45899g Abstract/SummaryRadical cations of a soluble rigid tetrathienoacene are capable of forming stable p-dimer dications at ambient temperature when the short backbone becomes extended with conjugated thiophene-2-yl substituents in the a-positions. On the other hand, simple attachment of methyl groups on the a-carbon of the external thiophen-2-yl rings proved sufficient to inhibit the dimerization. Stable radical cationswere also exclusively formed for tetrathienoacene derivatives end-capped with bulky TIPS and phenyl substituents.
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