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On the mechanism of d-f energy transfer in RuII/LnIII and OsII/LnIII dyads: Dexter-type energy transfer over a distance of 20 A.

Abstract:

We have used time-resolved luminescence methods to study rates of photoinduced energy transfer (PEnT) from [M(bipy)3]2+ (M=Ru, Os) chromophores to Ln(III) ions with low-energy f-f states (Ln=Yb, Nd, Er) in d-f dyads in which the metal fragments are separated by a saturated -CH2CH2- spacer, a p-C6H4 spacer, or a p-(C6H4)2 spacer. The finding that d-->f PEnT is much faster across a conjugated p-C6H4 spacer than it is across a shorter CH2CH2 spacer points unequivocally to a Dexter-type energy...

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Publication status:
Published

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Publisher copy:
10.1002/chem.200800600

Authors


Lazarides, T More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Barbieri, A More by this author
Journal:
Chemistry (Weinheim an der Bergstrasse, Germany)
Volume:
14
Issue:
30
Pages:
9389-9399
Publication date:
2008
DOI:
EISSN:
1521-3765
ISSN:
0947-6539
URN:
uuid:f9a0164e-5177-4a1f-9f8b-d78ebf18fdd2
Source identifiers:
46781
Local pid:
pubs:46781

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