Abstract:Carrier transport and trapping was investigated in poly[2-methoxy-5-(3',7'-dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV) layers by thermally stimulated currents (TSC) depending on the exciting light spectral range. The upper edge of the spectra ranged from 1.77 eV up to 3.1 eV to assure selective excitation of the defect states. The TSC curves were shown to be a superposition of several thermally activated processes, i.e., carrier generation from trapping states and thermally stimulated mobility growth a… Show more
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