| Project/Area Number |
21K05244
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Review Section |
Basic Section 36020:Energy-related chemistry
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| Research Institution | Kyushu University |
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Principal Investigator |
HUI JOSEPH 九州大学, 工学研究院, 助教 (10706998)
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| Project Period (FY) |
2021-04-01 – 2023-03-31
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| Project Status |
Discontinued (Fiscal Year 2022)
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| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2023: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2022: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2021: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Keywords | charge-transfer / photon upconversion / organic photosensitizer / metal-free TTA-UC / liquefied TTA-UC / photoelectrical devices / triplet-triplet / annihilation / organic photosensitizers |
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| Outline of Research at the Start |
BPEA and its derivatives are used as triplet acceptors in many TTA-UC studies, but this is their first time as sensitizers. This also marks the first time that TTA-UC will be done in neat liquid crystal and neat liquid, which have great improvement in energy density and energy conversion efficiency.
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| Outline of Annual Research Achievements |
The proposed research focuses on developing a new family of organic photosensitizers with BPEA-TCNB CT complexes bearing modifiable states of matter. The interim goals set for FY2022 include 1) making samples with the prepared CT complexes and different triplet acceptors and 2) performing the TTA-UC measurements. Those scheduled tasks were completed very smoothly. Positive results were observed with the samples utilizing perylene-based triplet acceptors, but the detected signals were unexpectedly weak even with high laser power due to poor solid surfaces in contact between the BPEA-TCNB CT complexes and the triplet acceptors. Further modifications in sample preparations would be required, however, this project unfortunately has to cut short due to the expiration of my employment contract.
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