Dispersions and films comprising conducting polymer for optoelectronic devices
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United States of America Patent
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Sep 18, 2007
Grant Date -
Jul 14, 2005
app pub date -
Jan 12, 2004
filing date -
Jan 12, 2004
priority date (Note) -
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Abstract
A dispersion, and a film and optoelectronic devices formed from the dispersion are provided. The dispersion comprising conducting polymer containing particles having a particle size of less than 450 nm, wherein the conducting polymer comprises substituted or unsubstituted, uncharged or charged polymerized units of thieno[3,4-b]thiophene, and wherein a film drop cast from the dispersion has a conductivity from 10.sup.-1 to 10.sup.-6 S/cm measured using the four point probe method.
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