Phthalocyanine-Based Single-Component Molecular Conductor [Mn(III)(Pc)(CN)]2O
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Synthesis of a Thiol Building Block for the Crystallization of a Semiconducting Gyroidal Metal-sulfur Framework
Published on: April 9, 2018
Mitsuo Ikeda1, Hiroshi Murakawa1, Masaki Matsuda2
1Department of Physics, Graduate School of Science, Osaka University , Toyonaka, Osaka 560-0043, Japan.
Abstract:
A new manganese complex, [Mn(Pc)(CN)]2O, was prepared by an electrocrystallization method. This material is a single-component molecular conductor that displays semiconducting behavior with room temperature conductivity of 4.5 × 10(-3) S cm(-1). Furthermore, we observed negative magnetoresistance at room temperature due to interaction between conduction π electrons and localized d spins. X-ray structural analysis and IR absorption spectroscopy indicated structural disorder. The magnetic susceptibility measurements suggested the unequal spin states of two manganese atoms owing to this structural disorder.
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