| Budget Amount *help |
¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Outline of Final Research Achievements |
(1) n-Type π-conjugated polymers with a 1,2,4-triazole ring substituted by a benzo-15-crown 5-ether (benzo15C5) subunit at the 4-position of the 1,2,4-triazole ring were synthesized by organometallic polycondensations. The electric conductivities of the polymers were increased by n-doping with sodium naphthalenide. The polymers with the benzo15C5 subunit exhibited a considerably higher stability of the n-doping state in air than did those without this subunit.
(2) Sodium salts of poly(aniline-5-sulfonic acid) (PAS), PAS(Na)s, were obtained by the reaction of PAS with NaOH in water. The degree of sodium sulfonation of the PAS(Na)s depended on the feed amount of NaOH. Thermoelectric measurements of the PAS(Na)s suggested that the majority of carriers were holes. The Seebeck coefficients (S’s) of the PAS(Na)s increased as the degree of sodium sulfonation of the polymers increased.
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