Charge transport in self-organized pi-stacks of p-phenylene vinylene oligomers

P. Prins, K. Senthilkumar, F.C. Grozema, P. Jonkheijm, A.P.H.J. Schenning, E.W. Meijer, L.D.A. Siebbeles

Research output: Contribution to journalArticleAcademicpeer-review

91 Citations (Scopus)


We have studied the mobility of charge carriers along self-organizing -stacks of hydrogen-bonded phenylene vinylene oligomers in solution, by time-resolved microwave conductivity measurements. The value deduced for the mobility along the stacks is 3 × 10-3 and 9 × 10-3 cm2/(V s) for holes and electrons, respectively. Additionally, we have calculated the mobility along the -stacks using a hopping model based on parameters from density functional theory. The mobility values obtained from these calculations are in good agreement with the experimental values if it is assumed that there are relatively large twist angles between neighboring molecules in the stack. It is shown that a significantly higher mobility can be attained if the twist angle between neighboring oligomers is reduced.
Original languageEnglish
Pages (from-to)18267-18274
JournalJournal of Physical Chemistry B
Issue number39
Publication statusPublished - 2005


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