Time-resolved EPR characterisation of radical-triplet pairs formed by host-guest interaction of a photoexcited C-60-crown ether with an ammonium aminoxyl in liquid solution
E. Sartori et al., Time-resolved EPR characterisation of radical-triplet pairs formed by host-guest interaction of a photoexcited C-60-crown ether with an ammonium aminoxyl in liquid solution, CHEM COMMUN, (4), 2001, pp. 311-312
A time resolved EPR (TR-EPR) spectrum of a radical-triplet pair (RTP) in th
e quartet excited state has been recorded by irradiating with visible laser
light a solution of a [60]fullerene-crown ether conjugate and an ammonium
aminoxyl radical; this is the first direct observation of a RTP in liquid s
olution for a stable host-guest complex between a macrocyclic ligand bearin
g a triplet precursor and an aminoxyl ammonium cation.