| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Outline of Final Research Achievements |
The possibility of morphology-controlled growth of CuO and Cu2O films, and ZnO nanorods (NRs) by chemical bath deposition (CBD) based technique was examined for applying to semiconductor photoelectrodes for artificial photosynthesis. Both the average width of the ZnO NRs and the average length of the CuO nano-needles were determined by the grain size of the seed layer. Moreover, both the orientations of the ZnO NRs and the Cu2O film were governed by that of the seed layer. Optical and electrical characterizations of the PEDOT:PSS/ZnO NRs organic-inorganic hybrid Schottky junction UV detectors revealed that the adsorption and desorption processes of oxygen molecular ions on the surface of the NRs strongly contribute to the photo-generation and annihilation of electrons and holes in the NRs.
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