Abstract
Abstract Photoconductivity measurements are a powerful tool to investigate the charge carrier transport and recombination mechanisms in solids. We report measurements of photoconductivity in films of the ladder-type polymer BBL (benzimidazobenzophenanthroline-polymer). Both cw and transient experiments on different time scales have been carried out. The results suggest the existence of a fast photoconductive response, similar to that found in other conjugated polymers such as trans-polyacetylene. In addition the dependencies of the photocurrent upon the applied electric field, temperature and intensity of the incident light have been investigated.
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