Scientific Results

Pyrene-Excimers-Based Antenna Systems

Year: 2009

Authors: Cicchi S., Fabbrizzi P., Ghini G., Brandi A., Foggi P., Marcelli A., Righini R., Botta C.

Autors Affiliation: Univ Florence, Italian Interuniv Consortium Mat Sci & Technol, Dipartmento Chim Organ, I-50019 Sesto Fiorentino, FI, Italy; European Lab Nonlinear Spect LENS, Sesto Fiorentino, FI, Italy; Univ Perugia, Dipartimento Chim, I-06123 Perugia, Italy; CNR, ISMAC, I-20133 Milan, Italy; INOA CNR, I-50125 Florence, Italy

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 front 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.


Volume: 15 (3)      Pages from: 754  to: 764

KeyWords: Acetylene; Catalysis; Cycloaddition; Dendrimers; Hydrocarbons; Nitrogen compounds; Solid solutions; Synthesis (chemical), Antenna systems; Azides; Building blocks; Solid states, Energy transfer
DOI: 10.1002/chem.200801379

Citations: 36
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