Monomer and Excimer Emission in Electrogenerated Chemiluminescence of Pyrene and 2,7-Di-tert-butylpyrene Associated with Electron Transfer Distance
Ryoichi Ishimatsu,
Shuya Tashiro,
Koji Nakano
Abstract:Electrogenerated chemiluminescence (ECL) is a light emission
phenomenon
caused by electrochemically generated radical anions (R•–) and cations (R•+), in which the ion annihilation
results in the formation of a pair of excited (R*) and ground state
(R) of a luminescent molecule. Here, the ECL properties of pyrene
(Py) and 2,7-di-tert-butylpyrene (di-t-BuPy) are reported. It was found that at a commonly employed concentration
(1 mM), the ECL spectra were time-dependent because of increasing
the oligomer emission… Show more
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