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Photosensitized generation of singlet oxygen from vinyl linked benzo-crown-ether-bipyridyl ruthenium(II) complexes

Abstract:

Photophysical properties of 10 substituted methoxybenzene or vinyl linked benzo-crown-ether-2,2′-bipyridyl ruthenium(II) complexes are reported. The lifetimes of the excited triplet metal to ligand charge transfer states, 3MLCT, of the complex ions are in the range 0.85 ± 0.12 μs with two exceptions where the lifetime drops to about half this value. The rate constants, kq, for quenching in acetonitrile of the 3MLCT states of these ruthenium complex ions by molecular oxygen, O2(3∑g-), and the ...

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Publication status:
Published

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Publisher copy:
10.1021/jp991876z

Authors


Abdel-Shafi, AA More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Mortimer, RJ More by this author
Wilkinson, F More by this author
Journal:
JOURNAL OF PHYSICAL CHEMISTRY A
Volume:
104
Issue:
2
Pages:
192-202
Publication date:
2000-01-20
DOI:
EISSN:
1520-5215
ISSN:
1089-5639
URN:
uuid:a5599280-cbb7-4978-8a40-a12323332d57
Source identifiers:
37255
Local pid:
pubs:37255
Language:
English

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