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Synthesis and Photophysical Properties of Hexabenzocoronene-Tetrabenzoporphyrin Architectures

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Title
Synthesis and Photophysical Properties of Hexabenzocoronene-Tetrabenzoporphyrin Architectures
Author(s)
Michael Ruppel; Lampros‐Pascal Gazetas; Dominik Lungerich; Norbert Jux
Publication Date
2020-10
Journal
European Journal of Organic Chemistry, v.2020, no.40, pp.6352 - 6360
Publisher
John Wiley & Sons Ltd.
Abstract
Porphyrin-based architectures have emerged as excellent candidates for artificial light-harvesting antennae. Although tetrabenzoporphyrins (TBPs), the pi-extended "bigger brothers" of porphyrins, benefit from increased absorptivity in the near-infrared (NIR), their utilization in light-harvesting systems is still in its infancy. Within this work, we prepared two donor-acceptor hetero dyads consisting of hexa-peri-hexabenzocoronenes (HBCs) to harvest high energetic near-UV light, and a TBP core, which serves as visible to NIR light antenna and as subsequent energy sink of the conjugate. The HBCs are either attached to themeso-position or via a maleimide-bridge on the periphery of the macrocycle. Upon excitation of the HBC moieties, both dyads exhibit an efficient energy transfer to the TBP core. Furthermore, the TBP-HBC dyads show superior light-harvesting properties compared to the respective HBC-porphyrin reference and the naturally occurring chlorophylls a/b
URI
https://pr.ibs.re.kr/handle/8788114/9020
DOI
10.1002/ejoc.202000860
ISSN
1434-193X
Appears in Collections:
Center for Nanomedicine (나노의학 연구단) > 1. Journal Papers (저널논문)
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