The conductive polymer material and the substrate and manufacturing method thereof

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PROBLEM TO BE SOLVED : To provide a conductive polymer low in acidity, capable of suppressing agglomeration of particles with the lapse of time and excellent in solution stability.SOLUTION : The conductive polymer material includes a π-conjugated polymer (A), a dopant polymer (B) containing a repeating unit having a sulfo group and having a weight average molecular weight in a range of 1, 000-500, 000, and an amphoteric ion compound (C) represented by the following general formula (1) where Rand Rare, each independently, a 1-10C linear, branched, or cyclic alkyl group, a 1-10C linear, branched, or cyclic alkoxy group, a 2-10 C acyl group, a 2-10C acyloxy group, a 2-10C alkoxycarbonyl group, a hydroxy group, a nitro group, and a halogen atom, and m and n are, each independently, an integer of 0-4.SELECTED DRAWING : None