Solvent switching of intramolecular energy transfer in bichromophoric systems: Photophysics of (2,2′-bipyridine)tetracyanoruthenate(II)/pyrenyl complexes

Inorganic Chemistry

Volumn 42, Issue 18, 2003, Pages 5489-5497

  Indelli, M T ^a   Ghirotti, M ^a   Prodi, A ^a   Chiorboli, C ^b   Scandola, F ^a,c   McClenaghan, N D ^d   Puntoriero, F ^d   Campagna, S ^d,e  

^a UNIVERSITY OF FERRARA   (Italy)

^b CNR   (Italy)

^c INSTM   (Italy)

^d UNIVERSITY OF MESSINA   (Italy)

^e INSTM   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

(2,2' BIPYRIDINE)TETRACYANORUTHENATE; 2,2' BIPYRIDINE 6 CARBOTHIAMIDE; ACETONITRILE; CARBENE; METHANOL; PYRENE DERIVATIVE; RUTHENIUM COMPLEX; SOLVENT; UNCLASSIFIED DRUG; WATER;

ABSORPTION SPECTROSCOPY; ARTICLE; CHROMATOPHORE; COMPLEX FORMATION; ENERGY TRANSFER; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PHOTOCHEMISTRY; SUPRAMOLECULAR CHEMISTRY; SYNTHESIS;

EID: 0041875070     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic034185x     Document Type: Article

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39. 2- rules out the occurrence of photophysical processes involving the two pyrenyl units, such as, e.g., excimer formation.
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41. The same spectral changes were observed using 532 nm as laser excitation.
42. 39
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48. The constancy of the emission quantum yield arises by compensation between the decrease in population and the increase in lifetime of the emitting state. This is true provided that the intrinsic lifetime of the aryl unit is much longer than that of the Ru-based chromophores.
49. Ru.
50. 45
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52. 2O.