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Electronic excitation energy transfer between Tb3+ and Eu3+ in DMSO

✍ Scribed by J. Chrysochoos; A. Evers

Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
342 KB
Volume
20
Category
Article
ISSN
0009-2614

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✦ Synopsis

Excitation of Tb3+ and Eu3+in DSlSO with 487 mp, which corresponds to the 'I-'6 + 'Da transition of T%j', is accompanied by a reduction in the flt~orerccnce efficiency of Tb3+ as [Eu3'] increases and by thz appearance of a wx:nk emission from Eu3+. An nvcrage rntc constant for both the fluorescence quenching of Tb3' and the energy transfer from Tb3+ to Eu3+ with subsequeni emission from the latter, was found to be (2.2 ? 0.4) X lo3 M-' set-'.

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