Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 35, Pages 11310-11315Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201806202
Keywords
conductivity; corannulene; covalent organic frameworks; photophysics; theoretical calculations
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Funding
- NSF CAREER Award [DMR-1553634]
- Research Corporation for Science Advancement
- Sloan Research Fellowship by AlfredP. Sloan Foundation
- NSF [CHE-1056188]
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We report the first examples of purely organic donor-acceptor materials with integrated pi-bowls (pi Bs) that combine not only crystallinity and high surface areas but also exhibit tunable electronic properties, resulting in a four-orders-of-magnitude conductivity enhancement in comparison with the parent framework. In addition to the first report of alkyne-azide cycloaddition utilized for corannulene immobilization in the solid state, we also probed the charge transfer rate within the Marcus theory as a function of mutual pi B orientation for the first time, as well as shed light on the density of states near the Fermi edge. These studies could foreshadow new avenues for pi B utilization for the development of optoelectronic devices or a route for highly efficient porous electrodes.
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