A periodic structured organosilica solid of the MCM-41 type containing 4,4′-bipyridinium presumably inserted on the walls that is stable after surfactant removal has been prepared; the ability of bipyridinium units to act as electron acceptor termini has been demonstrated by observation of the radical cation in the photochemical and thermal activation of the as-synthesized material.
A periodic mesoporous organosilica containing electron acceptor viologen units
M. Álvaro, B. Ferrer, V. Fornés and H. García, Chem. Commun., 2001, 2546 DOI: 10.1039/B108964C
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