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Hierarchical Corannulene-Based Materials: Energy Transfer and Solid-State Photophysics.


ABSTRACT: We report the first example of a donor-acceptor corannulene-containing hybrid material with rapid ligand-to-ligand energy transfer (ET). Additionally, we provide the first time-resolved photoluminescence (PL) data for any corannulene-based compounds in the solid state. Comprehensive analysis of PL data in combination with theoretical calculations of donor-acceptor exciton coupling was employed to estimate ET rate and efficiency in the prepared material. The ligand-to-ligand ET rate calculated using two models is comparable with that observed in fullerene-containing materials, which are generally considered for molecular electronics development. Thus, the presented studies not only demonstrate the possibility of merging the intrinsic properties of ?-bowls, specifically corannulene derivatives, with the versatility of crystalline hybrid scaffolds, but could also foreshadow the engineering of a novel class of hierarchical corannulene-based hybrid materials for optoelectronic devices.

SUBMITTER: Rice AM 

PROVIDER: S-EPMC5396291 | biostudies-other | 2017 Apr

REPOSITORIES: biostudies-other

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Hierarchical Corannulene-Based Materials: Energy Transfer and Solid-State Photophysics.

Rice Allison M AM   Fellows W Brett WB   Dolgopolova Ekaterina A EA   Greytak Andrew B AB   Vannucci Aaron K AK   Smith Mark D MD   Karakalos Stavros G SG   Krause Jeanette A JA   Avdoshenko Stanislav M SM   Popov Alexey A AA   Shustova Natalia B NB  

Angewandte Chemie (International ed. in English) 20170323 16


We report the first example of a donor-acceptor corannulene-containing hybrid material with rapid ligand-to-ligand energy transfer (ET). Additionally, we provide the first time-resolved photoluminescence (PL) data for any corannulene-based compounds in the solid state. Comprehensive analysis of PL data in combination with theoretical calculations of donor-acceptor exciton coupling was employed to estimate ET rate and efficiency in the prepared material. The ligand-to-ligand ET rate calculated us  ...[more]

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