Please use this identifier to cite or link to this item: https://doi.org/10.1021/ol1023486
Title: Low band gap thiophene-perylene diimide systems with tunable charge transport properties
Authors: Balaji, G.
Kale, T.S.
Keerthi, A.
Della Pelle, A.M.
Thayumanavan, S.
Valiyaveettil, S. 
Issue Date: 7-Jan-2011
Citation: Balaji, G., Kale, T.S., Keerthi, A., Della Pelle, A.M., Thayumanavan, S., Valiyaveettil, S. (2011-01-07). Low band gap thiophene-perylene diimide systems with tunable charge transport properties. Organic Letters 13 (1) : 18-21. ScholarBank@NUS Repository. https://doi.org/10.1021/ol1023486
Abstract: Perylenediimide-pentathiophene systems with varied architecture of thiophene units were synthesized. The photophysical, electrochemical, and charge transport behavior of the synthesized compounds were studied. Both molecules showed a low band gap of ∼1.4 eV. Surprisingly, the molecule with pentathiophene attached via β-position to the PDI unit upon annealing showed a predominant hole mobility of 1 × 10-4 cm2 V-1 s-1 whereas the compound with branched pentathiophene attached via β-position showed an electron mobility of 9.8 × 10 -7 cm2 V-1 s-1. This suggests that charge transport properties can be tuned by simply varying the architecture of pentathiophene units. © 2010 American Chemical Society.
Source Title: Organic Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/94168
ISSN: 15237060
DOI: 10.1021/ol1023486
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