| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
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| Outline of Final Research Achievements |
Aggregation states and proton conductivity in Nafion thin films were examined by neutron reflectivity (NR) in conjunction with impedance measurements. NR indicates that multi-hydrated interfacial layers exists at the substrate interface for the Nafion films. The proton conductivity parallel to the substrate increased with decreasing film thickness. On the other hand, the proton conductivity normal to the interface decreased with decreasing film thickness. Thus, it can be claimed that the hydrated interfacial layer is a responsible factor for the anisotropic proton transport in Nafion thin films.
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