Within DFT-studies, the cubic diamond structure of Si is modified and the anionic partial lattices of Zintl phases are used as building blocks for novel Tetrel modifications. The results point to their possible use in solar cells or as anode materials. In this context, the relationships of different Zintl phases are shown by topological considerations. The electronic analysis of the molecular units [E4]4– and [E9](2–4)– (E = Si, Ge, Sn) and selected reactions lead for Si to their coupling to novel uncharged 2D materials and polymers.
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Within DFT-studies, the cubic diamond structure of Si is modified and the anionic partial lattices of Zintl phases are used as building blocks for novel Tetrel modifications. The results point to their possible use in solar cells or as anode materials. In this context, the relationships of different Zintl phases are shown by topological considerations. The electronic analysis of the molecular units [E4]4– and [E9](2–4)– (E = Si, Ge, Sn) and selected reactions lead for Si to their coupling to nov...
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