Compositions – Electrically conductive or emissive compositions – Metal compound containing
Patent
1999-05-28
2000-05-02
Gupta, Yogendra
Compositions
Electrically conductive or emissive compositions
Metal compound containing
252500, 2525192, 25218211, H01B 106
Patent
active
060568992
ABSTRACT:
Conductive polymers are prepared from a stabilized solution containing a monomer, an Fe(III) oxidizing agent, and a mixed solvent. The solvents are selected to stabilize the Fe(III) oxidizing agent and monomer in solution while allowing highly conducting polymers to be produced upon evaporating the lower-boiling solvent. The higher-boiling solvent does not appreciably complex with Fe(III), while the lower-boiling solvent forms a weak complex with Fe(III). The mixed-solvent system of the present invention may be used for preparing a conductive polymer counter electrode in a solid tantalum capacitor by polymerizing the monomer inside a porous tantalum pellet.
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Hahn Randolph S.
Lessner Philip M.
Rajasekaran Veeriya
Su Tsung-Yuan
Gupta Yogendra
Hamlin Derrick G.
Kemet Electronics Corporation
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