A blue electroluminescent polymer containing 9,10-diphenylanthracenevinylenephenylene and alkylene block in the main chain was prepared by the Wittig reaction. A single-layer electroluminescent device was fabricated by spin casting a solution of the novel polymer onto glass substrates coated with a pattern indium tin oxide (ITO). A bluish white luminescence was obtained from the device using aluminum as the cathode contact with intensities in the range of 45−80 cd/m2 and external quantum efficiency of 0.01%.
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Kim et al. (1997) studied this question.
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