Abstract
Two polyferrocenylsilanes (PFSs) 1 and 2 with aniline and carbazolyl as side chains have been prepared by treating silyl-chloride functionalized PFS (PFS-Cl) with hydroxyl-ended aniline and carbazole compounds, respectively, and characterized by NMR, FT-IR, elemental analysis (EA), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) and cyclic voltammetry (CV). Both of them could be oxidized by iodine and 2,3-dichloro-5,6-dicyanoquinone (DDQ) to form complexes. PFS 1 could be oxidized by tetracyanoethylene (TCNE) too. The complexes are characterized by FT-IR, EA, Iron-57 Mossbauer spectroscopy. All of them are partially oxidized by the oxidants and both FeII and FeIII coexist in the complexes. Magnetic property measurement by superconducting quantum interference device (SQUID) shows their paramagnetic properties with somewhat antiferromagnetic interaction. Results show that the joint type between PFS backbone and the electron-rich side groups has less direct effect on the exhibition of ferromagnetic interaction in their complexes.
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