Emission from an excited triplet state during ECL

Periasamy, N. ; Santhanam, K. S. V. (1976) Emission from an excited triplet state during ECL Chemical Physics Letters, 39 (2). 265-268 . ISSN 0009-2614

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/000926...

Related URL: http://dx.doi.org/10.1016/0009-2614(76)80070-X


The application of Marcus theory of electron transfer reactions for the case of radical ion chemiluminescence of 9,10-diphenylanthracene (DPA) gives a high rate constant value (109-1010 M-1 s-1) for the formation of the second triplet state (T2). It is suggested that the near infrared emission observed during electrochemiluminescence of DPA is due to T2→T1 fluorescence based on the high yield of T2 (≈0.7) in the electron transfer reaction.

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