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We have prepared poly [2-methoxy-5-(2′-ethyl-hexyloxy)-1,4-phenylenevinylene] (MEH–PPV) using a modified procedure and purified a number of times in each step. The results show that the MEH–PPV synthesized by the present technique offers low molecular weight and high thermal stability, which are some of the most important requirements for the fabrication of photo luminescent devices. The thermal diffusivities...
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