Inverse photochromism in viologen–tetraarylborate ion-pair complexes: optical write/microwave erase switching in polymer matrices
Willy G. Santos, Darya S. Budkina, Pedro F.G.M. da Costa, Daniel R. Cardoso, Alexander N. Tarnovsky, Malcolm D. E. Forbes
Abstract
The spin dynamics of radical pairs from ion-pair complexes between viologen and tetraarylborate compounds have been investigated in the presence of microwave (μw) radiation, using steady-state electron paramagnetic resonance to follow the radical pair dynamics.
Topics & Concepts
PhotochromismViologenElectron paramagnetic resonanceMicrowavePhotochemistryIonInverseElectronRadical ionChemistryPolymerMaterials scienceNuclear magnetic resonancePhysicsQuantum mechanicsOrganic chemistryMathematicsGeometryPhotochemistry and Electron Transfer StudiesPorphyrin and Phthalocyanine ChemistryMolecular spectroscopy and chirality