| Project/Area Number |
15K13673
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Functional solid state chemistry
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| Research Institution | Osaka University |
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Principal Investigator |
TADA HIROKAZU 大阪大学, 基礎工学研究科, 教授 (40216974)
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| Co-Investigator(Renkei-kenkyūsha) |
Ohto Tatshuhiko 大阪大学, 基礎工学研究科, 助教 (90717761)
Tanaka Shoji 分子科学研究所, 安全衛生管理室, 助教 (20192635)
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| Research Collaborator |
Lee See Kei
Ushirokita Hiroaki
Nobusue Shunpei
Yamada Ryo
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| Project Period (FY) |
2015-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2015: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | 単一分子 / 熱起電力 / ゼーベック係数 / 熱伝導度 / ナノコンタクト / 分子エレクトロニクス / 熱電変換 |
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| Outline of Final Research Achievements |
Thermopower measurement was carried out for single molecule junctions of Au-oligothiophene-Au. The thermopower increased in proportion to the temperature difference between Au electrodes showing the positive Seebeck coefficient. It was found that holes are majority carriers in this junction. The in-plane thermal conductivity of polymer films was measured using an AC calorimetry method. It was found that the in-plane thermal conductivity was twice as high as that measured perpendicular to the plane by the 3 omega method. In order to prevent the over-evaluation of thermoelectric properties, the electric conductivity, Seebeck coefficient, and thermal conductivity of the specimen should be measured in the same direction.
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