Chiral Semiconductor Phases: The Optically Pure D3[MIII(S,S-EDDS)]2 (D = TTF, TSF) Family
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https://figshare.com/articles/dataset/Chiral_Semiconductor_Phases_The_Optically_Pure_D_sub_3_sub_M_sup_III_sup_i_S_i_i_S_i_EDDS_sub_2_sub_D_TTF_TSF_Family/2657791
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A new family of optically pure tetrathiafulvalenium and tetraselenafulvalenium salts, D3[MIII(S,S-EDDS)]2·nH2O (where D = TTF, TSF; M = Co, Fe, Cr; EDDS = ethylenediaminedisuccinato), were synthesized electrochemically. These phases are semiconductors with conductivities between 6.9 × 10−6 and 1.3 × 10−5 S·cm−1 (Ea ca. 0.3 eV) for TTF and 2.8 × 10−4 to 2.8 × 10−5 S·cm−1 (Ea ca. 0.1 eV) for TSF compounds. While some crystals suffer from twinning, other well resolved structures consist of TTF/TSF stacks which, under the influence of the chiral anion, exhibit a periodic undulation described by an elliptical helix. The crystallographic data, along with computational work, indicate charge localization in the semiconducting motifs.
创建时间：
2016-02-23
