Realization of Organocerium-Based Fullerene Molecular Materials Showing Mott Insulator-Type Behavior
Pragati Pandey,
Xiaoyu Wang,
Himanshu Gupta
et al.
Abstract:Electron-rich organocerium complexes (C5Me4H)3Ce and [(C5Me5)2Ce(ortho-oxa)], with redox potentials E
1/2 = −0.82 V and E
1/2 =
−0.86 V versus Fc/Fc+, respectively, were reacted
with fullerene (C60) in different stoichiometries to obtain
molecular materials. Structurally characterized cocrystals: [(C5Me4H)3Ce]2·C60 (1) and [(C5Me5)2Ce(ortho-oxa)]3·C60 (2) of C60 with cerium-based, molecular rare earth precursors
are reported for the first time. The extent of charge transfer in 1 and 2 was evaluated using a ser… Show more
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