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Template-Directed Synthesis of a Conjugated Zinc Porphyrin Nanoball
- Cremers, Jonathan, Haver, Renée, Rickhaus, Michel, Gong, Juliane Q., Favereau, Ludovic, Peeks, Martin D., Claridge, Tim D. W., Herz, Laura M., Anderson, Harry L.
- Journal of the American Chemical Society 2018 v.140 no.16 pp. 5352-5355
- fluorescence, porphyrins, spectroscopy, zinc
- We report the template-directed synthesis of a π-conjugated 14-porphyrin nanoball. This structure consists of two intersecting nanorings containing six and 10 porphyrin units. Fluorescence upconversion spectroscopy experiments demonstrate that electronic excitation delocalizes over the whole three-dimensional π system in less than 0.3 ps if the nanoball is bound to its templates or over 2 ps if the nanoball is empty.