Ultrafast energy transfer in a Pd(II)-bridged bisporphyrin dyad

Abdelhameed Mohammed (1) , Adam Langlois (1) , Paul-Ludovic Karsenti (1) , Sébastien Richeter (2) , Romain Ruppert (3) , P. D. Harvey (4)

1 UdeS - Université de Sherbrooke
2 ICGM ICMMM - Institut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier
3 Institut de Chimie de Strasbourg
4 UdeS - Département de chimie [Sherbrooke]

A free base porphyrin/zinc(II)porphyrin dyad bridged by a Pd(II) unit exhibits an ultrafast S1 energy transfer (1.5 × 10exp12 s−1) due to significant MO couplings between the acceptor and the donor and a non-nil atomic contribution of the Pd-atom in the frontier MOs, hence ensuring π-conjugation.

Domaines: Chimie de coordination; Chimie théorique et/ou physique

Abdelhameed Mohammed, Adam Langlois, Paul-Ludovic Karsenti, Sébastien Richeter, Romain Ruppert, et al.. Ultrafast energy transfer in a Pd(II)-bridged bisporphyrin dyad. Journal of the Chemical Society, Chemical Communications, 2014, 50, pp.14609-14612. ⟨10.1039/C4CC05898D⟩. ⟨hal-01095303⟩