BK Selinger

PR Nott

Lifetime studies of the
three azabenzenes s-triazine, pyridazine and pyrazine are reported. They show
quite different behaviour. Lifetimes of four single vibronic levels of
s-triazine were measured and show that an additional decay channel is
operating. The fluorescence from pyridazine is so fast that it was
indistinguishable from the exciting lamp pulse. Lifetimes of six single
vibronic levels of pyrazine were measured and were shown to be
pressure-dependent. These results fit quite well into the current understanding
of the behaviour of the azabenzenes.</jats:p

Fluorescence decay of aromatic vapours. IV. Lifetime measurements on three further azabenzenes

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