| Project/Area Number |
19K15669
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| Research Category |
Grant-in-Aid for Early-Career Scientists
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| Allocation Type | Multi-year Fund |
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| Review Section |
Basic Section 36020:Energy-related chemistry
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| Research Institution | Nagoya University |
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Principal Investigator |
Jeon Il 名古屋大学, 未来社会創造機構, 招へい教員 (00807563)
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| Project Period (FY) |
2019-04-01 – 2021-03-31
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| Project Status |
Completed (Fiscal Year 2020)
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| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2020: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2019: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Keywords | カーボンナノチューブ / ペロブスカイト太陽電池 / フラーレン / 有機薄膜太陽電池 / シリコン太陽電池 / Perovskite solar cells / Carbon Nanotube / Carbon Paste / Fullerene |
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| Outline of Research at the Start |
I propose replacing the carbon-paste by carbon nanotubes in the mesoporous perovskite system. The aerosol-synthesised carbon nanotube films are a better choice than the carbon-paste as they are low-temperature processable and has intrinsic charge selective ability, which translate to higher efficiency. In order to enhance the efficiency and stability even further, I plan to apply a novel Li@C60TFSI dopant-added hole-transporting materials which can function as antioxidants for the devices.
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| Outline of Final Research Achievements |
The range of use of carbon nanotubes in organic solar cells has been further expanded. We functionalized carbon nanotubes with fullerene derivatives and lithium-ion-encapsulated fullerenes to produce perovskite solar cells with energy conversion efficiencies exceeding 20%. For the first time, a film of double-walled carbon nanotubes could be used as a transparent electrode for solar cells. We also succeeded in applying metal carbon nanotubes to silicon photovoltaic solar cells instead of conventional metal electrodes by using Nafion as a dopant.
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| Academic Significance and Societal Importance of the Research Achievements |
カーボンナノチューブ薄膜を透明電極，あるいは金属電極の代わりの裏面電極とすることで，将来的に金属の使用をより低減した有機系太陽電池が構築できる．インジウムスズ酸化物透明電極や金・銀などの裏面電極は高価であり，有機系太陽電池のコストの半分程度を占めるが，この電極部分をカーボンナノチューブで置き換えることにより，コスト優位性が高い太陽電池が実現する．
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