http://www.cnr.it/ontology/cnr/individuo/prodotto/ID50980
Light Intensity Effects on Photoinduced Charge Separation Parameters in a Molecular Triad based on Iridium (III) Bisterpyridine unit (Articolo in rivista)
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- Light Intensity Effects on Photoinduced Charge Separation Parameters in a Molecular Triad based on Iridium (III) Bisterpyridine unit (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Flamigni L.; Baranoff E.; Collin J.; Sauvage J.; Ventura B. (literal)
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- In: ChemPhysChem, vol. 8 (13) pp. 1943 - 1949. Wiley, 2007. (literal)
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Istituto ISOF-CNR, Via P. Gobetti 101, 40129 Bologna, Italy, Laboratoire de Chimie Organo-Minérale, UMR 7513 CNRS, Université Louis Pasteur, Institut Le Bel, 4, rue Blaise Pascal, 67070 Strasbourg, France (literal)
- Titolo
- Light Intensity Effects on Photoinduced Charge Separation Parameters in a Molecular Triad based on Iridium (III) Bisterpyridine unit (literal)
- Abstract
- The effect of photon flux on the yield and lifetime of charge separation over the extreme components of a D-Ir-A triad, where D is a triphenyl amine electron donor, A is a naphthalene bis(imide) electron acceptor and Ir is an IrIII bis(terpyridine) complex, has been investigated. In usual laboratory conditions, with nanosecond and picosecond laser pulses in the 4-8 mJ range, biphotonic processes take place. Biphotonic products and their evolution can introduce complications in reaction mechanisms and their interpretation but can also drastically reduce the yield and the lifetime of the charge-separated state. In the present case, after discussion of several possible mechanisms, the process detrimental to charge separation is ascribed to absorption of a photon by the photogenerated charge-separated state D+-Ir-A-. (literal)
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