Photochemistry of chlorinated biphenyls in iso-octane solution

Nigel J. Bunce, Yogesh Kumar, Luis Ravanal, S. Safe

Research output: Contribution to journalArticlepeer-review

98 Scopus citations


The photolysis of a series of chlorinated biphenyls was examined in iso-octane at 254 nm. A triplet reactive state is implicated; it is concluded that the greater photolability of ortho-chlorinated biphenyls is due to their higher triplet energies. Excimers appear to play no role in the photodegradation. With triethylamine, fluorescent exciplexes are observed, and these may participate chemically in the decomposition of the least labile substrates.

Original languageEnglish (US)
Pages (from-to)880-884
Number of pages5
JournalJournal of the Chemical Society, Perkin Transactions 2
Issue number9
StatePublished - 1978

ASJC Scopus subject areas

  • Chemistry(all)


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