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Preparation of polymers containing Fe(0)-coordinated 2,5-diethynylsilole units
Authors:Joji Ohshita  Hidekazu Arase  Nobuhisa Mimura  Yosuke Tada  Yutaka Harima
Institution:a Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Japan
b Division of Materials Science, Faculty of Integrated Arts and Sciences, Hiroshima University, Higashi-Hiroshima 739-8521, Japan
Abstract:UV irradiation of poly(organosilanylene-2,5-diethynylenesiloles) in benzene with an excess of Fe(CO)5 led to the formation of Fe(CO)3-coordinated silole units in the polymer backbone. The Fe(CO)3-coordinated polymers exhibited suppressed π-conjugation, relative to the parent non-coordinated polymers. Hole-transporting properties of poly(organosilanylene-2,5-diethynylenesiloles) were examined by the performance of EL devices containing the polymer layer as the hole-transport and Alq3 layer as the electron-transporting emitter.
Keywords:Silole  Silicon polymer  Iron carbonyl complex  Hole transport  EL device
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