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Dekkiche H, Buisson A, Langlois A, et al. Metal Linkage Effects on Ultrafast Energy Transfer. Chemistry. 2016;22(30):10484-93doi: 10.1002/chem.201601322.
Dekkiche, H., Buisson, A., Langlois, A., Karsenti, P. L., Ruhlmann, L., Ruppert, R., & Harvey, P. (2016). Metal Linkage Effects on Ultrafast Energy Transfer. Chemistry (Weinheim an der Bergstrasse, Germany), 22(30), 10484-93. https://doi.org/10.1002/chem.201601322
Dekkiche, Hervé, et al. "Metal Linkage Effects on Ultrafast Energy Transfer." Chemistry (Weinheim an der Bergstrasse, Germany) vol. 22,30 (2016): 10484-93. doi: https://doi.org/10.1002/chem.201601322
Dekkiche H, Buisson A, Langlois A, Karsenti PL, Ruhlmann L, Ruppert R, Harvey P. Metal Linkage Effects on Ultrafast Energy Transfer. Chemistry. 2016 Jul 18;22(30):10484-93. doi: 10.1002/chem.201601322. Epub 2016 Jun 22. PMID: 27333487.
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Chemistry. 2016 Jul 18;22(30):10484-93. doi: 10.1002/chem.201601322. Epub 2016 Jun 22.

Metal Linkage Effects on Ultrafast Energy Transfer.

Chemistry (Weinheim an der Bergstrasse, Germany)

Hervé Dekkiche, Antoine Buisson, Adam Langlois, Paul-Ludovic Karsenti, Laurent Ruhlmann, Romain Ruppert, Pierre Harvey

Affiliations

  1. Institut de Chimie, UMR CNRS 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000, Strasbourg, France.
  2. Département de Chimie, Université de Sherbrooke, Sherbrooke, PQ, J1K 2R1, Canada.
  3. Institut de Chimie, UMR CNRS 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000, Strasbourg, France. [email protected].
  4. Département de Chimie, Université de Sherbrooke, Sherbrooke, PQ, J1K 2R1, Canada. [email protected].

PMID: 27333487 DOI: 10.1002/chem.201601322

Abstract

We report the preparation of several new porphyrin homodimers bridged by a platinum(II) ion in which very intense electronic communication through the coordination link occurs. Moreover, the synthesis of a new porphyrin dyad and its photophysical properties are reported. This dyad exhibits the fastest singlet energy transfer ever reported for synthetic systems between a zinc(II) porphyrin and a porphyrin free base. This extremely fast transfer (∼100 femtoseconds) is in the same range as the fastest one measured in natural systems. This feature is due to the platinum(II) linker, which allows for strong MO couplings between the two porphyrin units as experimentally supported by electrochemistry and corroborated by DFT computations.

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: Förster and Dexter mechanisms; platinum; porphyrinoids; singlet energy transfer

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