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Molecules 2018, 23(9), 2271; https://doi.org/10.3390/molecules23092271

Novel Riboflavin-Inspired Conjugated Bio-Organic Semiconductors

1
Faculty of Chemistry, Materials Research Centre, Brno University of Technology, Purkyňova 118, 612 00 Brno, Czech Republic
2
Linz Institute for Organic Solar Cells (LIOS), Physical Chemistry, Johannes Kepler University Linz, Altenbergerstraße 69, 4040 Linz, Austria
*
Author to whom correspondence should be addressed.
Received: 8 August 2018 / Revised: 27 August 2018 / Accepted: 31 August 2018 / Published: 5 September 2018
(This article belongs to the Section Materials Chemistry)
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Abstract

Flavins are known to be extremely versatile, thus enabling routes to innumerable modifications in order to obtain desired properties. Thus, in the present paper, the group of bio-inspired conjugated materials based on the alloxazine core is synthetized using two efficient novel synthetic approaches providing relatively high reaction yields. The comprehensive characterization of the materials, in order to evaluate the properties and application potential, has shown that the modification of the initial alloxazine core with aromatic substituents allows fine tuning of the optical bandgap, position of electronic orbitals, absorption and emission properties. Interestingly, the compounds possess multichromophoric behavior, which is assumed to be the results of an intramolecular proton transfer. View Full-Text
Keywords: bio-inspired material; conjugated materials; flavins; biomimetic energy storage; oxygen evolution bio-inspired material; conjugated materials; flavins; biomimetic energy storage; oxygen evolution
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Richtar, J.; Heinrichova, P.; Apaydin, D.H.; Schmiedova, V.; Yumusak, C.; Kovalenko, A.; Weiter, M.; Sariciftci, N.S.; Krajcovic, J. Novel Riboflavin-Inspired Conjugated Bio-Organic Semiconductors. Molecules 2018, 23, 2271.

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