Abstract

Abstract Time-of-Flight hole drift mobility measurements have been carried out on representative aromatic and aliphatic pendant group containing silicon and germanium backbone polymers over a wide range of electric field and temperature. The temperature range is broad enough in each case to incorporate the region of glassy solidification. For the specific case of poly(di-n-hexylsilylene), experiments have been extended to incorporate the side chain melting phenomenon identified with the bathochromic shift in the polymer. Mobility changes associated with this transition are analyzed. Specific features observed in Si and Ge backbone polymers, which appear to be a general characteristic of a wide range of disordered solids, are highlighted.

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