A series of dendrimeric compounds bearing pyrene units were synthesized to afford light-harvesting antennae based on the formation of intramolecular excimers. The synthetic plan profited from the efficiency of the Huisgen reaction, the 1,3-dipolar cycloaddition of azides and terminal alkynes, which allowed ready assembly of the different building blocks. The three molecular antennae obtained, of increasing generation, revealed efficient energy transfer both in solution and in the solid state.
Pyrene Excimers Based Antenna Systems / S. Cicchi; P. Fabbrizzi; G. Ghini; A. Brandi; P. Foggi; A. Marcelli; R. Righini; C. Botta. - In: CHEMISTRY-A EUROPEAN JOURNAL. - ISSN 0947-6539. - STAMPA. - 15:(2009), pp. 754-764. [10.1002/chem.200801379]
Pyrene Excimers Based Antenna Systems
CICCHI, STEFANO;FABBRIZZI, PIERANGELO;GHINI, GIACOMO;BRANDI, ALBERTO;FOGGI, PAOLO;MARCELLI, AGNESE;RIGHINI, ROBERTO;
2009
Abstract
A series of dendrimeric compounds bearing pyrene units were synthesized to afford light-harvesting antennae based on the formation of intramolecular excimers. The synthetic plan profited from the efficiency of the Huisgen reaction, the 1,3-dipolar cycloaddition of azides and terminal alkynes, which allowed ready assembly of the different building blocks. The three molecular antennae obtained, of increasing generation, revealed efficient energy transfer both in solution and in the solid state.
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