Graphite Intercalation by Mg Diamine Complexes
Wei XuDepartment of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, Oregon 97331-4003, United StatesHanyang ZhangDepartment of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, Oregon 97331-4003, United StatesMichael M. LernerDepartment of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, Oregon 97331-4003, United States
2018en
ABI
Annotatsiya
The first structural and compositional details of a low-stage graphite interaction compound (GIC) containing Mg are reported, with the GIC obtained by combining magnesium metal and graphite powder in ethylenediamine (en) at 100 °C under an inert atmosphere. Thermal analyses indicate the bottle-green stage 1 product has a composition of [Mg(en)1.0]C13. X-ray diffraction shows a c-axis expansion of 0.55 nm, indicating the presence of intercalate monolayers with the en cointercalate oriented perpendicular to the encasing graphene layers. Redox titration indicates two electrons are transferred per Mg. A structural model is proposed with dimeric [Mg2(en)2]2+ intercalate species.
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