H2O2 reacts with rutile TiO2 powder forming not only surface O22 anions but also two newly identified surface S = 1 triplet radical anion pairs composed of two interacting O2···O2 centers characterised by the EPR spin Hamiltonian parameters of giso = 2.0104 and D = 13.7 mT for triplet 1 and giso = 2.0064 and D = 12.7 mT for triplet 2.
EPR study of the H2O2 interaction with TiO2: evidence for a novel S=1 surface radical pair
GIAMELLO, Elio
1997-01-01
Abstract
H2O2 reacts with rutile TiO2 powder forming not only surface O22 anions but also two newly identified surface S = 1 triplet radical anion pairs composed of two interacting O2···O2 centers characterised by the EPR spin Hamiltonian parameters of giso = 2.0104 and D = 13.7 mT for triplet 1 and giso = 2.0064 and D = 12.7 mT for triplet 2.
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