Metal-containing polymers based on disalicylidenediamines and their electrophysical properties
摘要:
Metal-containing poly(disalicylidenediamines) exhibiting semiconductor properties were prepared by polycondensation of salicylidene derivatives of aromatic diamines with metal (Fe, Co, Ni, Cu) acetates. The data obtained confirm that the transfer of charge carriers in these polymers occurs along the chain through "nonclassical" polyconjugation zones formed via multiple intramolecular donor-acceptor interactions of lone electron pairs of the azomethine groups with the unoccupied d orbitals of the metal ions.
Synthesis and spectral characteristics of silicon-containing poly(salicylidene azomethines) derived from aromatic di- and tetraamines
摘要:
New silicon-containing poly(salicylidene azomethines) were prepared by polycondensation of di-or tetrasalicylidene derivatives of aromatic di- or tetraamines. The spectral data suggest the occurrence of noncovalent transannular donor-acceptor interaction N -> Si providing "nonclassical" conjugation.